The Valve Mechanism,air, cataloged under National Stock Number 4510-01-270-3340, is classified within Federal Supply Class 4510 (Plumbing Fixtures and Accessories) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Spirax Sarco Inc Dba Spirax Sarco. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4510-01-270-3340 |
| Primary Part Number | 69849 |
| Item Name | Valve Mechanism,air |
| FSC / FSG | 4510 / 45 — Plumbing Fixtures and Accessories |
| Manufacturer | Spirax Sarco Inc Dba Spirax Sarco |
| Status | ACTIVE |
| 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 |
|---|---|
| 69849 PRIMARY | Spirax Sarco Inc Dba Spirax Sarco (USA) |
| Reference | Meaning |
|---|---|
| 54753 | 5/9 Secondary reference Spirax Sarco Inc Dba Spirax Sarco |
NSN 4510-01-270-3340 is a Valve Mechanism,air, manufactured by Spirax Sarco Inc Dba Spirax Sarco, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.
NSN 4510-01-270-3340 has 1 manufacturer part number on file: 69849 (Spirax Sarco Inc Dba Spirax Sarco).
2 possible matches (shared part number, not a government interchangeability claim): 5306-01-319-5183, 5136-01-625-4998. Verify interchangeability with system specifications before substitution.
Key specifications for 69849: End Item Identification: SPIRAX SARCO MODEL 13W AIR ELIMINATER W. 0 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.
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.