The Tank and Valve,pressure, cataloged under National Stock Number 1040-00-293-5891, is classified within Federal Supply Class 1040 (Chemical Weapons and Equipment) of the Weapons group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1040-00-293-5891 |
| Item Name | Tank and Valve,pressure |
| FSC / FSG | 1040 / 10 — Chemical Weapons and Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF TANK,PRESSURE,ASSEMBLY(LESS PIPE PLUG);VALVE ASSEMBLY,CHECK;VALVE,PRESSURE TANK ASSEMBLY |
| Reference Number Differentiating Characteristics | LESS VALVE SHAFT ASSY;C81-1-883 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| B81-1-879 | 3/1 Design control — primary reference U.S. Government activity |
NSN 1040-00-293-5891 is a Tank and Valve,pressure, classified under FSC 1040, Chemical Weapons and Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1040-00-294-1638. Verify interchangeability with system specifications before substitution.
Key specifications for 1040-00-293-5891: General Characteristics Item Description: CONSISTS OF TANK,PRESSURE,ASSEMBLY(LESS PIPE PLUG);VALVE ASSEMBLY,CHECK;VALVE,PRESSURE TANK ASSEMBLY; Reference Number Differentiating Characteristics: LESS VALVE SHAFT ASSY;C81-1-883. 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.
NSN 1040-00-293-5891 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.