The O-Ring, cataloged under National Stock Number 5331-01-620-6770, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Young Engineering & Manufacturing, Inc. Dba Young Engineering & Manufacturing Inc. Government technical data includes 1 specification, 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 | 5331-01-620-6770 |
| Primary Part Number | 09-20331 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Young Engineering & Manufacturing, Inc. Dba Young Engineering & Manufacturing Inc |
| Status | ACTIVE |
| Material | RUBBER BUTADIENE NITRILE |
| 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 |
|---|---|
| 09-20331 PRIMARY | Young Engineering & Manufacturing, Inc. Dba Young Engineering & Manufacturing Inc (USA) |
| 09-20300 REV A | Young Engineering & Manufacturing, Inc. Dba Young Engineering & Manufacturing Inc (USA) |
NSN 5331-01-620-6770 is a O-Ring, manufactured by Young Engineering & Manufacturing, Inc. Dba Young Engineering & Manufacturing Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-620-6770 has 2 manufacturer part numbers on file: 09-20331 (Young Engineering & Manufacturing, Inc. Dba Young Engineering & Manufacturing Inc), 09-20300 REV A (Young Engineering & Manufacturing, Inc. Dba Young Engineering & Manufacturing Inc).
Key specifications for 09-20331: Part Name Assigned by Controlling Agency: BLADDER ASSEMBLY; End Item Identification: PULSATION DAM; Material: RUBBER BUTADIENE NITRILE. 1 specification is 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.