The Bracket,air Valve, cataloged under National Stock Number 5342-00-401-9375, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Cooper Machinery Services Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5342-00-401-9375 |
| Primary Part Number | 21384401 |
| Item Name | Bracket,air Valve |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Cooper Machinery Services Llc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,6.750 IN. LG,5.750 IN. W,3.250 IN. H,THREE HOLES 0.750 IN. DIA LOCATED ON TOP,THREE HOLES 0.562 IN. LOCATED ON BOTTOM IN |
| 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 |
|---|---|
| 21384401 PRIMARY | Cooper Machinery Services Llc (USA) |
| Reference | Meaning |
|---|---|
| 2138-4401 | 5/9 Secondary reference Energy Services Group Div of Cooper Industries Inc |
| 21384401 | 5/9 Secondary reference Energy Services Group Div of Cooper Industries Inc |
NSN 5342-00-401-9375 is a Bracket,air Valve, manufactured by Cooper Machinery Services Llc, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-00-401-9375 has 1 manufacturer part number on file: 21384401 (Cooper Machinery Services Llc).
Key specifications for 21384401: General Characteristics Item Description: STEEL,6.750 IN. LG,5.750 IN. W,3.250 IN. H,THREE HOLES 0.750 IN. DIA LOCATED ON TOP,THREE HOLES 0.562 IN. LOCATED ON BOTTOM IN. 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.