The O-Ring, cataloged under National Stock Number 5331-01-164-6377, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Jaquith Industries Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-164-6377 |
| Primary Part Number | 10530021 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Jaquith Industries Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.210 INCHES NOMINAL IN |
| Center Hole Diameter | 10.125 INCHES NOMINAL IN |
| Material | RUBBER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
NSN 5331-01-164-6377 is a O-Ring, manufactured by Jaquith Industries Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-164-6377 has 2 manufacturer part numbers on file: 0904 (Jaquith Industries Inc), 10530021 (Jaquith Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 2590-01-604-1942. Verify interchangeability with system specifications before substitution.
Key specifications for 10530021: Cross-Sectional Height: 0.210 INCHES NOMINAL IN; Special Features: FUNCTION, PACKING PREFORMED; REFERENCE DATA, 5H1, TI-6850.79, FA 10229/2, PG 8-23; Center Hole Diameter: 10.125 INCHES NOMINAL IN; End Item Identification: APPROACH LIGHT SEQUENCE FLASHER 2 (ALSF2). 3 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.