The Valve,three-Way, cataloged under National Stock Number 1015-01-389-9947, is classified within Federal Supply Class 1015 (Guns, 75mm Through 125mm) of the Weapons group. The manufacturer of record is Naval Sea Systems Command. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve,three-Way |
| FSC / FSG | 1015 — Guns, 75mm Through 125mm (FSG 10) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Eaton Aerospace Llc (CAGE 16780) |
| Parameter | Value |
|---|---|
| NSN | 1015-01-389-9947 |
| Primary Part Number | 5518311 |
| Item Name | Valve,three-Way |
| FSC / FSG | 1015 / 10 — Guns, 75mm Through 125mm |
| Manufacturer | Naval Sea Systems Command |
| 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 |
NSN 1015-01-389-9947 is a Valve,three-Way, manufactured by Naval Sea Systems Command, classified under FSC 1015, Guns, 75mm Through 125mm. Status: active.
NSN 1015-01-389-9947 has 2 manufacturer part numbers on file: 5518311 (Naval Sea Systems Command), 13119 (Eaton Aerospace Llc).
1 possible match (shared part number, not a government interchangeability claim): 2990-01-726-6497. Verify interchangeability with system specifications before substitution.
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.