The Head,valve, cataloged under National Stock Number 4310-01-549-0057, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Bourns Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-549-0057 |
| Primary Part Number | 46706 |
| Item Name | Head,valve |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Bourns Inc |
| 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 |
|---|---|
| 46706 PRIMARY | Bourns Inc (USA) |
| Reference | Meaning |
|---|---|
| 46706 | 3/9 Design control — primary reference Cat Pumps Corp |
NSN 4310-01-549-0057 is a Head,valve, manufactured by Bourns Inc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-549-0057 has 1 manufacturer part number on file: 46706 (Bourns Inc).
1 possible match (shared part number, not a government interchangeability claim): 6240-01-700-8245. Verify interchangeability with system specifications before substitution.
Key specifications for 46706: Special Features: NAME ASSIGNED BY MANUFACTURER HEAD, MANIFOLD; End Item Identification: PLUNGER PUMP. 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.