The O-Ring, cataloged under National Stock Number 5331-01-545-4261, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Carver Pump Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-545-4261 |
| Primary Part Number | 700-270-433 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Carver Pump Company |
| Status | ACTIVE |
| Cross-Sectional Height | 0.139 INCHES NOMINAL IN |
| Hardness Rating | 75.0 SHORE DUROMETER A NOMINAL |
| Material Document and Classification | ASTM D1418 CL FKM ASSN STD SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 8.984 INCHES NOMINAL IN |
| Material | RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM |
| 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 |
|---|---|
| N-999-6108-B-001ITEM89A | Carver Pump Company (USA) |
| 700-270-433 PRIMARY | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| 700-270-433C | 3/9 Design control — primary reference Carver Pump Company |
NSN 5331-01-545-4261 is a O-Ring, manufactured by Carver Pump Company, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-545-4261 has 2 manufacturer part numbers on file: N-999-6108-B-001ITEM89A (Carver Pump Company), 700-270-433 (Carver Pump Company).
Key specifications for 700-270-433: Cross-Sectional Height: 0.139 INCHES NOMINAL IN; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL; Material Document and Classification: ASTM D1418 CL FKM ASSN STD SINGLE MATERIAL RESPONSE; Center Hole Diameter: 8.984 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.