The O-Ring, cataloged under National Stock Number 5331-01-395-2157, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Beemer Precision Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (CAGE 52374); Beemer Precision Inc (CAGE 70901) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-395-2157 |
| Primary Part Number | 249-B46A |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Beemer Precision Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 01-435-0420-4-ITEM-44-11 | Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA) |
| CM1-249-B46A | Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA) |
| 249-B46A PRIMARY | Beemer Precision Inc (USA) |
NSN 5331-01-395-2157 is a O-Ring, manufactured by Beemer Precision Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-395-2157 has 3 manufacturer part numbers on file: 01-435-0420-4-ITEM-44-11 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), CM1-249-B46A (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), 249-B46A (Beemer Precision Inc).
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.