The Disk,rupturable, cataloged under National Stock Number 4820-01-514-2252, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Chemetron Fire Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-514-2252 |
| Primary Part Number | 5-061-0624 |
| Item Name | Disk,rupturable |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Chemetron Fire Systems |
| 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 |
|---|---|
| FA-34944 REV F | Chemetron Fire Systems (USA) |
| D1-061-0945 ITEM 7 | Chemetron Fire Systems (USA) |
| 5-061-0624 PRIMARY | Chemetron Fire Systems (USA) |
| Reference | Meaning |
|---|---|
| D1-061-0945 | D/9 Drawing number reference only Chemetron Fire Systems |
NSN 4820-01-514-2252 is a Disk,rupturable, manufactured by Chemetron Fire Systems, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-514-2252 has 3 manufacturer part numbers on file: FA-34944 REV F (Chemetron Fire Systems), D1-061-0945 ITEM 7 (Chemetron Fire Systems), 5-061-0624 (Chemetron Fire Systems).
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-514-2374, 4820-01-514-2382, 4820-01-514-2759. Verify interchangeability with system specifications before substitution.
Key specifications for 5-061-0624: Special Features: NHA VALVE,RELIEF,600 PSI,MODEL FM200. 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.