The O-Ring, cataloged under National Stock Number 5331-00-171-5371, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Minor Rubber Co Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-171-5371 |
| Primary Part Number | KS1321 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Minor Rubber Co Inc |
| Status | CANCELLED |
| Material | RUBBER |
| Cross-Sectional Height | 0.250 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 11229 | Morris Material Handling, Inc. (USA) |
| 24909 | Napco International Llc Dba Napco International Inc (USA) |
| P24909 | Napco International Llc Dba Napco International Inc (USA) |
| 6504 | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA) |
| KS1321 PRIMARY | Minor Rubber Co Inc (USA) |
| 11229 | Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA) |
| 157D1-0808 | Kurz & Root Generator Company, Llc (USA) |
| KS1321SUB1 | Rca Corp Government and Commercial Systems Commercial Commications Systems Div (USA) |
| 2139 | Western Rubber Co (USA) |
| 11229 | Napco International Llc Dba Napco International Inc (USA) |
NSN 5331-00-171-5371 is a O-Ring, manufactured by Minor Rubber Co Inc, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-171-5371 has 10 cross-referenced part numbers: 11229 (Morris Material Handling, Inc.), 24909 (Napco International Llc Dba Napco International Inc), P24909 (Napco International Llc Dba Napco International Inc), 6504 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc), KS1321 (Minor Rubber Co Inc) and 5 more.
There are 12 known substitutes for 5331-00-171-5371: 3120-00-126-4517, 6105-00-134-6537, 5330-00-154-4839 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for KS1321: Material: RUBBER; Cross-Sectional Height: 0.250 INCHES NOMINAL IN. 2 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-171-5371 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.