S75035A0120 Sole Source redacted signed.pdf

Ref: TRFBINST 4491.1A

TRFB 4491/3 (Rev. MAR-2026) Page 1 of 1PREVIOUS EDITIONS ARE OBSOLETE

CUI (When filled in)

CUI (When filled in)

JUSTIFICATION FOR SOLE SOURCE ($15,000 TO $350,000)

Reference: FAR 13.106-1(b)

The service or material listed on is the sole source and competition must be restricted to one source, or only one brand name for reasons indicated below. There are no substitutes available for this material.

Restricted to the following source or brand name. Provide the original manufacturer's name.

Note: If a sole source manufacturer distributes via dealers, also provide dealer information.

Document Number S75035A0120

Manufacturer Particle Measuring System

Manufacturer POC Name Tuan Le Phone Number 503-443-0935

Manufacturer Address tle@pmeasuring.com

Manufacturer's Dealer/Rep. Tuan Le

Dealer/Rep.'s Address tle@pmeasuring.com

Phone Number 503-443-0935

1) Description of the item or service required

Particle Measuring System is the only source available that meets shop requirments and can be serviced by TRF calibration.

2) Estimated cost 3) Required delivery date

Specific characteristics of the material or service that limit the availability to a sole source or particular brand name (unique features, function, of the item, etc.).

Describe in detail why only this suggested source can furnish the requirements to the exclusion or other sources:

Particle Measuring System is the only source available that meets shop requirments and can be serviced by TRF calibration.

The requested material or service represents the minimum requirements of the government.

NoYes

Check & Fill in all Applicable Blanks Below

The material/service must be compatible in all aspects (form, fit, and function) with the existing systems presently installed. Describe the equipment you have now and how the new item/service must coordinate, connect, or interfere with the existing system:

The shop current particle counter of the same type and part number is damaged and needs to be replaced.

Yes No

A patent, copyright, or proprietary data limits competition. The proprietary data is:

Yes No

These are "direct replacements" parts/components for existing brand name equipment.

Yes No

Other information to support a sole-source buy:

At this time, This particle counter is the only one supported by TRF Calibartion shop.Yes No

I certify that statements checked, and information provided about, are complete and correct to the best of my knowledge and do not contain classified information. I understand the processing of this sole-source justification precludes the use of full and open competition.

Title 35A Electronics Mechanic

Activity Signature and Date

Contracting Officer

Signature and Date DLA Weapons Support Puget Sound

Controlled By DLA Weapons Support Controlled By 750/35A CUI Category PROCURE/SSEL Limited Distribution Control FED ONLY POC Lawrence Dickerson, 360-315-1775

Ref: TRFBINST 4491.1A TRFB 4491/3 (Rev. MAR-2026) Page of

PREVIOUS EDITIONS ARE OBSOLETE

CUI (When filled in) CUI (When filled in)

JUSTIFICATION FOR SOLE SOURCE ($15,000 TO $350,000)

Reference: FAR 13.106-1(b) The service or material listed on is the sole source and competition must be restricted to one source, or only one brand name for reasons indicated below. There are no substitutes available for this material.

Restricted to the following source or brand name. Provide the original manufacturer's name.

Note: If a sole source manufacturer distributes via dealers, also provide dealer information.

The requested material or service represents the minimum requirements of the government.

Check & Fill in all Applicable Blanks Below These are "direct replacements" parts/components for existing brand name equipment.

I certify that statements checked, and information provided about, are complete and correct to the best of my knowledge and do not contain classified information. I understand the processing of this sole-source justification precludes the use of full and open competition.

Contracting Officer DLA Weapons Support Puget Sound 6.4.0.20180228.1.932123.929382