The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-01-259-8199, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Norgren C a Co. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-259-8199 |
| Primary Part Number | 876-51 |
| Item Name | Diaphragm,actuator Valve,special |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Norgren C a Co |
| Status | ACTIVE |
| Style Designator | SPECIAL SHAPED |
| Material | RUBBER |
| 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 |
|---|---|
| 876-51 PRIMARY | Norgren C a Co (USA) |
| Reference | Meaning |
|---|---|
| NIP-328 ITEM 21 | 5/9 Secondary reference Norgren C a Co |
NSN 4820-01-259-8199 is a Diaphragm,actuator Valve,special, manufactured by Norgren C a Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-259-8199 has 1 manufacturer part number on file: 876-51 (Norgren C a Co).
3 possible matches (shared part number, not a government interchangeability claim): 5331-01-284-9368, 5962-01-520-9696, 1240-01-589-2087. Verify interchangeability with system specifications before substitution.
Key specifications for 876-51: Style Designator: SPECIAL SHAPED; Material: RUBBER. 2 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.