The Extension,valve, cataloged under National Stock Number 2530-01-474-5539, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. The manufacturer of record is Oshkosh Defense Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Extension,valve |
| FSC / FSG | 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components (FSG 25) |
| Manufacturers | Haltec Corp (CAGE 63900); Oshkosh Defense Llc (CAGE 75Q65) |
| Parameter | Value |
|---|---|
| NSN | 2530-01-474-5539 |
| Primary Part Number | 3672191 |
| Item Name | Extension,valve |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 3672191 | Haltec Corp (USA) |
| 3672191 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| HE-200-SD | 5/9 Secondary reference Haltec Corp |
| 3672191 | 5/9 Secondary reference Oshkosh Corp |
| 3276517 | 5/9 Secondary reference Oshkosh Corp |
| 3276517 | 5/9 Secondary reference Titan Wheel Corporation of Illinois |
NSN 2530-01-474-5539 is a Extension,valve, manufactured by Oshkosh Defense Llc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-474-5539 has 2 manufacturer part numbers on file: 3672191 (Haltec Corp), 3672191 (Oshkosh Defense Llc).
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.