The Cutter,shear Valve, cataloged under National Stock Number 4820-01-254-9907, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-254-9907 |
| Item Name | Cutter,shear Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | NICKEL ALLOY,INCONEL 625,ASTM-B446-75;OD 1.490 IN.;ID 0.812 IN.;O/A THICKNESS 0.187 IN.SHARP CORNERS 6 STELLITE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 87683-4304 | D/9 Drawing number reference only U.S. Government activity |
| 87683-4304 ITEM 34 | 3/2 Design control — primary reference U.S. Government activity |
| 409-4677518 | D/9 Drawing number reference only U.S. Government activity |
| 409-4677518 ITEM 34 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-254-9907 is a Cutter,shear Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-254-9908. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-254-9907: General Characteristics Item Description: NICKEL ALLOY,INCONEL 625,ASTM-B446-75;OD 1.490 IN.;ID 0.812 IN.;O/A THICKNESS 0.187 IN.SHARP CORNERS 6 STELLITE IN. 1 specification is 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.