The O-Ring, cataloged under National Stock Number 5331-01-526-0339, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is John Crane, Inc. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 5331-01-526-0339 |
| Primary Part Number | 102-246-1109 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | John Crane, 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 |
| Part Number | Manufacturer |
|---|---|
| LP893 | Bae Systems Gcs International Ltd (GBR) |
| 102-246-1109 | Trelleborg Sealing Solutions (uk) Ltd (GBR) |
| 13048915 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| 102-246-1109 PRIMARY | John Crane, Inc (USA) |
NSN 5331-01-526-0339 is a O-Ring, manufactured by John Crane, Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-526-0339 has 4 manufacturer part numbers on file: LP893 (Bae Systems Gcs International Ltd), 102-246-1109 (Trelleborg Sealing Solutions (uk) Ltd), 13048915 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 102-246-1109 (John Crane, Inc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-660-0146. Verify interchangeability with system specifications before substitution.
Key specifications for 102-246-1109: End Item Identification: LW155 HOWTIZER. 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.