The O-Ring, cataloged under National Stock Number 5331-01-524-9793, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-524-9793 |
| Primary Part Number | 102-788-1109 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | John Crane, Inc |
| Status | ACTIVE |
| Temp Rating | -54.0 CELSIUS AND 135.0 CELSIUS DEGC |
| Cross-Sectional Height | 47.300 MILLIMETERS MINIMUM AND 47.900 MILLIMETERS MAXIMUM MM |
| Center Hole Diameter | 44.200 MILLIMETERS MINIMUM AND 44.800 MILLIMETERS MAXIMUM MM |
| Material | RUBBER |
| 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 |
|---|---|
| 102-788-1109 PRIMARY | John Crane, Inc (USA) |
| LP52-0445-30A | Bae Systems Gcs International Ltd (GBR) |
NSN 5331-01-524-9793 is a O-Ring, manufactured by John Crane, Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-524-9793 has 2 manufacturer part numbers on file: 102-788-1109 (John Crane, Inc), LP52-0445-30A (Bae Systems Gcs International Ltd).
Key specifications for 102-788-1109: Temp Rating: -54.0 CELSIUS AND 135.0 CELSIUS DEGC; Cross-Sectional Height: 47.300 MILLIMETERS MINIMUM AND 47.900 MILLIMETERS MAXIMUM MM; Center Hole Diameter: 44.200 MILLIMETERS MINIMUM AND 44.800 MILLIMETERS MAXIMUM MM; Part Name Assigned by Controlling Agency: O-RING. 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.