The O-Ring, cataloged under National Stock Number 5331-01-525-5669, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is John Crane, Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-525-5669 |
| Primary Part Number | 102-831-1109 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | John Crane, Inc |
| Status | ACTIVE |
| Temp Rating | -54.00 CELSIUS AND 135.00 CELSIUS DEGC |
| Cross-Sectional Height | 5.70 MILLIMETERS NOMINAL MM |
| Center Hole Diameter | 84.30 MILLIMETERS NOMINAL MM |
| Material | RUBBER NATURAL |
| 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 |
|---|---|
| LP52-0843-57B | Bae Systems Gcs International Ltd (GBR) |
| 102-831-1109 PRIMARY | John Crane, Inc (USA) |
| 102-831-1109 | Trelleborg Sealing Solutions (uk) Ltd (GBR) |
NSN 5331-01-525-5669 is a O-Ring, manufactured by John Crane, Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-525-5669 has 3 manufacturer part numbers on file: LP52-0843-57B (Bae Systems Gcs International Ltd), 102-831-1109 (John Crane, Inc), 102-831-1109 (Trelleborg Sealing Solutions (uk) Ltd).
Key specifications for 102-831-1109: Temp Rating: -54.00 CELSIUS AND 135.00 CELSIUS DEGC; Cross-Sectional Height: 5.70 MILLIMETERS NOMINAL MM; Center Hole Diameter: 84.30 MILLIMETERS NOMINAL MM; End Item Identification: LW155 HOWITZER. 4 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.