The Ring,back Up,valve, cataloged under National Stock Number 4820-00-402-5442, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hale Hamilton (valves) Ltd Div Cad Uxbridge. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-402-5442 |
| Primary Part Number | NC13150-013 |
| Item Name | Ring,back Up,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hale Hamilton (valves) Ltd Div Cad Uxbridge |
| 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 |
|---|---|
| PL-1919 ITEM 9 | Hale Hamilton (valves) Ltd Div Cad Uxbridge (GBR) |
| NC13150-013 PRIMARY | Hale Hamilton (valves) Ltd Div Cad Uxbridge (GBR) |
| PL-1914 ITEM 9 | Hale Hamilton (valves) Ltd Div Cad Uxbridge (GBR) |
| Reference | Meaning |
|---|---|
| ND13150-018 | C/1 Advisory reference — outside the item-of-supply concept Hale Hamilton (valves) Ltd Div Cad Uxbridge |
NSN 4820-00-402-5442 is a Ring,back Up,valve, manufactured by Hale Hamilton (valves) Ltd Div Cad Uxbridge, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-402-5442 has 3 manufacturer part numbers on file: PL-1919 ITEM 9 (Hale Hamilton (valves) Ltd Div Cad Uxbridge), NC13150-013 (Hale Hamilton (valves) Ltd Div Cad Uxbridge), PL-1914 ITEM 9 (Hale Hamilton (valves) Ltd Div Cad Uxbridge).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-182-4537. Verify interchangeability with system specifications before substitution.
Key specifications for NC13150-013: End Item Identification: MANIFOLD. 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.