The Pin Assembly,mounting, cataloged under National Stock Number 1740-00-139-8288, is classified within Federal Supply Class 1740 (Airfield Specialized Trucks and Trailers) of the Aircraft Launch, Landing, and Ground Handling Equipment group. The manufacturer of record is Federal Industries, Inc. Dba United Valve Company. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1740-00-139-8288 |
| Primary Part Number | U533745 |
| Item Name | Pin Assembly,mounting |
| FSC / FSG | 1740 / 17 — Airfield Specialized Trucks and Trailers |
| Manufacturer | Federal Industries, Inc. Dba United Valve Company |
| Status | ACTIVE |
| General Characteristics Item Description | 2 HOLES IN LINE, 0.563 IN. DIA; 1 HOLE 0.125 IN. DIA, 1 HOLE 0.565 IN. DIA; INCLUDES PIN, QUICK RELEASE P/N NAS133952C2OD IN |
| Criticality Code Justification | FEAT |
| Surface Treatment | CADMIUM |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| U533745 PRIMARY | Federal Industries, Inc. Dba United Valve Company (USA) |
| U533745 | Triumph Thermal Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| U533745-4 | 5/9 Secondary reference Triumph Thermal Systems, Llc |
| U533745 | 5/9 Secondary reference K & K Precision Manufacturing, Inc |
NSN 1740-00-139-8288 is a Pin Assembly,mounting, manufactured by Federal Industries, Inc. Dba United Valve Company, classified under FSC 1740, Airfield Specialized Trucks and Trailers. Status: active.
NSN 1740-00-139-8288 has 2 manufacturer part numbers on file: U533745 (Federal Industries, Inc. Dba United Valve Company), U533745 (Triumph Thermal Systems, Llc).
Key specifications for U533745: Overall Height: 1.995 INCHES NOMINAL IN; General Characteristics Item Description: 2 HOLES IN LINE, 0.563 IN. DIA; 1 HOLE 0.125 IN. DIA, 1 HOLE 0.565 IN. DIA; INCLUDES PIN, QUICK RELEASE P/N NAS133952C2OD IN; Criticality Code Justification: FEAT; Overall Length: 14.000 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1740-00-139-8288 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.