The Valve,safety Relief, cataloged under National Stock Number 4820-01-321-6297, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-321-6297 |
| Primary Part Number | 6309908-122 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Media for Which Designed | AIR SINGLE RESPONSE |
| 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 |
|---|---|
| 6309908-122 | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 6309908-122 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 6309908-122 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 11012853 | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 11012853 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| 12438180 | C/1 Advisory reference — outside the item-of-supply concept Siemens Energy, Inc. Dba Dresser-Rand |
NSN 4820-01-321-6297 is a Valve,safety Relief, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-321-6297 has 1 manufacturer part number on file: 6309908-122 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
Key specifications for 6309908-122: Media for Which Designed: AIR SINGLE RESPONSE; End Item Identification: DRESSER-RAND CO AIR COMPRESSOR MODELNO. 14G5L4-3; STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 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.