The O-Ring, cataloged under National Stock Number 5331-00-816-9672, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Jonal Laboratories Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5331-00-816-9672 |
| Primary Part Number | 4808-4165 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Jonal Laboratories Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.545 INCHES MINIMUM AND 1.555 INCHES MAXIMUM IN |
| Material | RUBBER SILICONE CLASS Q |
| 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 |
|---|---|
| 4808-4165 | Jonal Laboratories Inc (USA) |
| Reference | Meaning |
|---|---|
| 575R946H06 | 3/2 Design control — primary reference U.S. Government activity |
| 575R946H06 | 5/9 Secondary reference Westinghouse Electric Corp |
| 40193-6 | 5/9 Secondary reference Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp |
NSN 5331-00-816-9672 is a O-Ring, manufactured by Jonal Laboratories Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-816-9672 has 1 manufacturer part number on file: 4808-4165 (Jonal Laboratories Inc).
2 possible matches (shared part number, not a government interchangeability claim): 6515-01-145-1934, 6515-01-504-3524. Verify interchangeability with system specifications before substitution.
Key specifications for 4808-4165: Cross-Sectional Height: 0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN; Center Hole Diameter: 1.545 INCHES MINIMUM AND 1.555 INCHES MAXIMUM IN; Material: RUBBER SILICONE CLASS Q. 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.