SALIENT CHARACTERISTICS.pdf
PDF 49 KB Posted
- Attached to
- SEAL ASSEMBLY SHAFT Federal contract opportunity
- Solicitation number
- SPMYM223Q1690
About this file
This document provides salient characteristics for a major overhaul of a stern tube shaft seal assembly required under the Defense Logistics Agency Land and Maritime solicitation SPMYM223Q1690 for a seal assembly shaft. Key details include that the assembly is for 29.625 inch diameter shafts used in MX-9 ships, includes both mechanical and inflatable seals, and has specific dimensional, pressure, leakage rate, filtration, and installation requirements. The mechanical seal must not leak more than 1 quart per hour statically or 4 gallons per hour dynamically, while the inflatable seal leakage must be near zero to less than 1 pint per minute but not exceed 0.5 gallons per minute. The assembly comes in two part numbers and is required in quantities of two per ship.
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Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| SPMYM2-23-Q-1690 amendment 1.pdf | ||
| SPMYM2-23-Q-1690.pdf |
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Text version
ADDITIONAL ORDERING DATA SHEET
ICN: 47SA8D4100
JML: 31675725
SALIENT CHARACTERISTICS:
NSN: 4320-01-647-6669
MX-9 MAJOR OVERHAUL
Part No. US71598, US72113 \ WDI002077-001
Title type Stern Tube Shaft Seal Assembly
Quantity Per Ship 2
Dimensions:
Shaft Diameter 29.625 inches
Axial Length (US71598) 18.00 inches (approx)
Weight (US71598) 1,980 pounds
Operating Conditions:
Fluid Sealed Seawater
Shaft Speed 0 to 168 rpm
Axial Movement ± 0.500 inches
Radial Movement ± 0.750 inches maximum
Maximum Leakage:
Mechanical seal 1 quart/hour-static 4 gallons/hour-dynamic
Inflatable Seal Near zero to less than 1 pint/minute but not to exceed 1/2 GPM.
Requirements:
Seawater Flush Rate 11 gpm minimum
Seawater Flush Pressure 15 psig above draft
Filtration Strainer 1/8 inch diameter holes
Inflatable Seal: Operating Pressure 125 psig maximum
Installation Test Pressure 125 psig maximum
Emergency Packing: Number of Rings 3
Size 1 inch square
File details come from the government source that posted it. Updated .