The O-Ring, cataloged under National Stock Number 5331-01-506-3674, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Grainger Br 507. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-506-3674 |
| Primary Part Number | 2119-013-00 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Grainger Br 507 |
| Status | ACTIVE |
| Material | RUBBER |
| 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 |
|---|---|
| 2119-013-00 PRIMARY | Grainger Br 507 (USA) |
| 4338539 | Connectronics Corp (USA) |
| Reference | Meaning |
|---|---|
| 03-0241 | 5/1 Secondary reference U.S. Government activity |
| 4730NCM030165 | 5/1 Secondary reference Defense Medical Standardization Board |
NSN 5331-01-506-3674 is a O-Ring, manufactured by Grainger Br 507, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-506-3674 has 2 manufacturer part numbers on file: 2119-013-00 (Grainger Br 507), 4338539 (Connectronics Corp).
2 possible matches (shared part number, not a government interchangeability claim): 2805-01-604-8986, 4310-01-682-7399. Verify interchangeability with system specifications before substitution.
Key specifications for 2119-013-00: Special Features: REPAIR PART FOR 2HP CENTRIFUGAL PUMP 4XZ16 NSN 4320-01-506-2047; VITON; Part Name Assigned by Controlling Agency: O-RING FOR CENTRIFUGAL PUMP 4XZ16 NSN 4320-01-506-2047; Material: RUBBER. 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.