Attachment 0003 - MO Critical Safety Items.pdf

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AH-64 Maintenance and Overhaul of Power Transfer, Clutch (APU) NSN: 3010-01-515-8483
Solicitation number
W58RGZ-26-B-0017
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Written by GovTribe AI ·

This document is an M&O (Maintenance and Operations) Critical Safety Items listing for the FH089 Power Transfer Clutch (APU) system used in AH-64 aircraft, with a status designation of Routine. The document identifies nine distinct parts and their critical safety characteristics, approved replacement sources, and testing requirements.

The primary output part is the Power Transfer Clutch (APU), Part Number 3617950-1, NSN 3010-01-515-8483, which requires serial number documentation, engineering testing, fatigue analysis, endurance testing, and interchange validation. Critical characteristics for this part include clamp nut torque of 300 inch-pounds, vibration testing per Government approved ATP, and seal plate bolt torque of 65 inch-pounds. Additional parts covered include two Output Housing Assemblies (3617951-2 and 3617951-3), two Adapter Splined Output components (3617953-2 and 3617953-3), two Duplex Bearing assemblies (3617957-2 and 3617957-3), and two Input Housing components (3886202-1 and 3886202-2). Critical characteristics for these parts specify heat treatment standards per HT5089, penetrant inspection acceptance criteria per EMS52300 and EMS52309 standards, precise bearing housing dimensions and bore specifications, grease fill requirements (3-5 grams with Mobil 28), contact angle specifications (21° to 25°), and various tolerance ranges for outer width, end play, and bore measurements. Honeywell International Inc., holding CAGE code 99193, is identified as the approved replacement and M&O source for all listed parts, with The Boeing Company (CAGE 8V613) and Honeywell Defense and Space (CAGE 02LU7) listed as approved spares sources for the Power Transfer Clutch. CSI dates range from December 2, 2004 through October 22, 2020.

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M&O Critical Safety Items

Part Number

Yes - 12/2/2004Nomenclature

NSN3617950-1

CSI /

Date

Power Transfer Clutch (APU)

3010-01-515-8483

M D I Critical Characteristic

Y Y N Clamp nut torque 300 inch-lb

Y Y N Vibration testing per latest Government approved ATP.

Y Y Y Seal plate bolt torque 65 inch-lb

CAGE Approved Replacement (Spares) Source Name

99193 Honeywell Intl Inc

8V613 The Boeing Company

02LU7 Honeywell Intl Inc, Defense and Space

Serial Number Req'd Engineering Test Req'd Fatigue Endurance Interchange

Yes Yes Yes Yes Yes

Output Part

Part Number

Yes - 3/8/2005Nomenclature

NSN3617951-2

CSI /

Date

Output Housing Assembly

M D I Critical Characteristic

Y N N Heat treatment H1025 per HT5089

Y Y N Penetrant inspection EMS52309 acceptance per EMS52300 class 2A grade B

Y Y N Duplex bearing housing depth 1.660 +/- .001

Y Y N Duplex bearing housing bore 2.0481 +/- .0002

CAGE Approved Replacement (M&O) Source Name

99193 Honeywell Intl Inc

Serial Number Req'd Engineering Test Req'd Fatigue Endurance Interchange

No No No No No

Part Number

Yes - 10/22/2020Nomenclature

NSN3617951-3

CSI /

Date

Output Housing Assembly

PRI

D

FH089 Part Number

NomenclatureNSN System

Status3617950-1

POWER TRANSFER CLUTCH (APU)3010-01-515-8483 AH-64

Routine

Page 1 of 4M&O Critical Safety Items - FH089

M D I Critical Characteristic

Y N N Heat treatment H1025 per HT5089.

Y Y N Penetrant inspection EMS52309 acceptance per EMS52300 class 2A grade B.

Y Y N Duplex bearing housing depth 1.660 +/- .001.

Y Y N Duplex bearing housing bore 2.0481 +/- .0002.

CAGE Approved Replacement (M&O) Source Name

99193 Honeywell Intl Inc

Serial Number Req'd Engineering Test Req'd Fatigue Endurance Interchange

Yes No No No No

Part Number

Yes - 2/28/2005Nomenclature

NSN3617953-2

CSI /

Date

Adapter Splined Output

M D I Critical Characteristic

Y Y N Duplex bearing pilot diameter 2X .98455 +/- .00015

CAGE Approved Replacement (M&O) Source Name

99193 Honeywell Intl Inc

Serial Number Req'd Engineering Test Req'd Fatigue Endurance Interchange

No No No No No

Part Number

Yes - 3/27/2014Nomenclature

NSN3617953-3

CSI /

Date

Adapter Splined Output

M D I Critical Characteristic

Y Y N Duplex bearing pilot diameter 2X .98455 +/- .00015.

CAGE Approved Replacement (M&O) Source Name

99193 Honeywell Intl Inc

Serial Number Req'd Engineering Test Req'd Fatigue Endurance Interchange

Yes No No No No

Part Number

Yes - 12/2/2004Nomenclature

NSN3617957-2

CSI /

Date

Duplex Bearing (APU)

Serial Number Req'd Engineering Test Req'd Fatigue Endurance Interchange

Yes Yes No Yes Yes

Page 2 of 4M&O Critical Safety Items - FH089

M D I Critical Characteristic

Y N N Outer width 1.4420 +/- .0005

Y N N End play .0022 - .0032 @ 33 lb gage load

Y N N Contact Angle of 21° to 25° under a 33 Lb. Gage Load.

Y N N Grease fill 3 - 5 grams with Mobile 28

Y N N O.D. 2.04705 +/- 0.00015

Y N N Bore 0.9842 +/- 0.0001

CAGE Approved Replacement (M&O) Source Name

99193 Honeywell Intl Inc

Part Number

Yes - 8/29/2012Nomenclature

NSN3617957-3

CSI /

Date

Duplex Bearing (APU)

M D I Critical Characteristic

Y N N Bore 0.9842 +/- 0.0001

Y N N OD 2.04705 +/- 0.00015

Y N N Grease fill 3- 5 grams with Mobil 28

Y N N Contact Angle of 21°-25° under a 33 Lb. Gage Load.

Y N N End play 0.0022- 0.0032 @ 33 lb gage load

Y N N Outer width 1.4420 +/- 0.0005

CAGE Approved Replacement (M&O) Source Name

99193 Honeywell Intl Inc

Serial Number Req'd Engineering Test Req'd Fatigue Endurance Interchange

Yes Yes No Yes Yes

Part Number

Yes - 3/8/2005Nomenclature

NSN3886202-1

CSI /

Date

Input Housing

M D I Critical Characteristic

Y Y N Penetrant inspection per EMS52300 class 2A grade C

CAGE Approved Replacement (M&O) Source Name

99193 Honeywell Intl Inc

Serial Number Req'd Engineering Test Req'd Fatigue Endurance Interchange

No No No No No

Part Number

Yes - 10/22/2020Nomenclature

NSN3886202-2

Input Housing

Page 3 of 4M&O Critical Safety Items - FH089

CSI /

Date

M D I Critical Characteristic

Y Y N Penetrant inspection per EMS52300 class 2A grade C.

CAGE Approved Replacement (M&O) Source Name

99193 Honeywell Intl Inc

Serial Number Req'd Engineering Test Req'd Fatigue Endurance Interchange

Yes No No No No

Page 4 of 4M&O Critical Safety Items - FH089

File details come from the government source that posted it. Updated .