The Valve,safety Relief, cataloged under National Stock Number 4820-01-421-5741, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Steris Corporation Dba Steris Applied Sterilization Technololgies. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-421-5741 |
| Primary Part Number | P093902-453 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Steris Corporation Dba Steris Applied Sterilization Technololgies |
| 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 |
|---|---|
| P093902-453 PRIMARY | Steris Corporation Dba Steris Applied Sterilization Technololgies (USA) |
| Reference | Meaning |
|---|---|
| LLH377909 | 5/1 Secondary reference Naval Medical Material Support Command Detachment |
| P-93902-453 | 5/9 Secondary reference American Sterilizer Company Dba Amsco Sterility Assurance Products |
| NAVY 1993 3367 | 5/1 Secondary reference U.S. Government activity |
NSN 4820-01-421-5741 is a Valve,safety Relief, manufactured by Steris Corporation Dba Steris Applied Sterilization Technololgies, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-421-5741 has 1 manufacturer part number on file: P093902-453 (Steris Corporation Dba Steris Applied Sterilization Technololgies).
Key specifications for P093902-453: Special Features: NO TECH REVIEW OR CHARACTERISTICS DATA. 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.