The O-Ring, cataloged under National Stock Number 5331-01-172-4142, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Kirby Morgan Dive Systems Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5331-01-172-4142 |
| Primary Part Number | 510-011 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Kirby Morgan Dive Systems Inc |
| 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 |
NSN 5331-01-172-4142 is a O-Ring, manufactured by Kirby Morgan Dive Systems Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-172-4142 has 3 manufacturer part numbers on file: DE020 (Jfd Ltd), DE020 (Jfd Australia Pty Ltd James Fisher Australia Pty Ltd), 510-011 (Kirby Morgan Dive Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 4710-01-216-2154. Verify interchangeability with system specifications before substitution.
Key specifications for 510-011: End Item Identification: DLA/GSA MANAGED ITEMS THAT CANNOT BE IDENTIFIED TO A SPECIFIC ARMY WEAPONS SYSTEMS/END ITEM. 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.