The Disk,rupturable, cataloged under National Stock Number 4820-00-107-5244, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bs&b Safety Systems Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-107-5244 |
| Primary Part Number | 77EBD012REVA PC5 |
| Item Name | Disk,rupturable |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Bs&b Safety Systems Llc |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 77EBD012REVA PC5 | Bs&b Safety Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 77EBD015 | 3/1 Design control — primary reference Bs&b Safety Systems Llc |
NSN 4820-00-107-5244 is a Disk,rupturable, manufactured by Bs&b Safety Systems Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-107-5244 has 1 manufacturer part number on file: 77EBD012REVA PC5 (Bs&b Safety Systems Llc).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-377-6479. Verify interchangeability with system specifications before substitution.
Key specifications for 77EBD012REVA PC5: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.. 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 4820-00-107-5244 has DEMIL Code F. 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.