The O-Ring, cataloged under National Stock Number 5331-01-365-4365, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5331-01-365-4365 |
| Primary Part Number | DN10082 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Temp Rating | -29.0 CELSIUS AND 204.0 CELSIUS DEGC |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Material Document and Classification | MS7276 ASSN STD SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 0.792 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| 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 |
|---|---|
| DN10082 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| 803-5959218 REV B PIECE 98 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| AMS 7276 | 5/9 Secondary reference U.S. Government activity |
| AS568-019 | 5/9 Secondary reference U.S. Government activity |
| 5331PL1284819 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5331-01-365-4365 is a O-Ring, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-365-4365 has 2 manufacturer part numbers on file: DN10082 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), 803-5959218 REV B PIECE 98 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 5331-01-385-4458, 5331-01-669-0605, 5331-01-669-6080. Verify interchangeability with system specifications before substitution.
Key specifications for DN10082: Temp Rating: -29.0 CELSIUS AND 204.0 CELSIUS DEGC; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Material Document and Classification: MS7276 ASSN STD SINGLE MATERIAL RESPONSE; Center Hole Diameter: 0.792 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN. 5 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.