The Valve,air, cataloged under National Stock Number 4940-00-474-8842, is classified within Federal Supply Class 4940 (Miscellaneous Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Illinois Tool Works Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4940-00-474-8842 |
| Primary Part Number | JGS449 |
| Item Name | Valve,air |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Illinois Tool Works Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | COMPONENTS 1 EA SNAP RING KIT; 1 EA WASHER KIT; 1 EA CUP KIT; 1 EA AIR VALVE ASSEMBLY; 1 EA SPRING KIT; 1 EA GASKET KIT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| JGS449 PRIMARY | Illinois Tool Works Inc. (USA) |
| JGS-499-1 PRIMARY | Illinois Tool Works Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4MB475 | 5/9 Secondary reference Illinois Tool Works Inc. |
| MB475 | 5/9 Secondary reference Illinois Tool Works Inc. |
| JGA449 | 5/9 Secondary reference Illinois Tool Works Inc. |
NSN 4940-00-474-8842 is a Valve,air, manufactured by Illinois Tool Works Inc., classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-00-474-8842 has 2 manufacturer part numbers on file: JGS449 (Illinois Tool Works Inc.), JGS-499-1 (Illinois Tool Works Inc.).
Key specifications for JGS449: General Characteristics Item Description: COMPONENTS 1 EA SNAP RING KIT; 1 EA WASHER KIT; 1 EA CUP KIT; 1 EA AIR VALVE ASSEMBLY; 1 EA SPRING KIT; 1 EA GASKET KIT; End Item Identification: 4940-00-261-8415. 1 specification is 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.
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.