The O-Ring, cataloged under National Stock Number 5331-01-634-0636, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Exlar Corporation. Government technical data includes 5 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 | 5331-01-634-0636 |
| Primary Part Number | 41173 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Exlar Corporation |
| Status | ACTIVE |
| Temp Rating | 250.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.103 INCHES NOMINAL IN |
| Hardness Rating | 75.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 4.237 INCHES NOMINAL IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| 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 |
|---|---|
| 41173 PRIMARY | Exlar Corporation (USA) |
| 40230 ITEM 117 | Exlar Corporation (USA) |
NSN 5331-01-634-0636 is a O-Ring, manufactured by Exlar Corporation, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-634-0636 has 2 manufacturer part numbers on file: 41173 (Exlar Corporation), 40230 ITEM 117 (Exlar Corporation).
Key specifications for 41173: Temp Rating: 250.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.103 INCHES NOMINAL IN; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL; Center Hole Diameter: 4.237 INCHES NOMINAL IN. 5 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.