The O-Ring, cataloged under National Stock Number 5331-01-090-4116, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 18 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5331-01-090-4116 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Temp Rating | -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Hardness Rating | 90.0 SHORE DUROMETER A NOMINAL |
| Criticality Code Justification | ZZZW |
| Elongation Percentage | 100 MAXIMUM |
| Departure From Cited Document | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Peripheral Diameter | 0.379 INCHES NOMINAL IN |
| Center Hole Diameter | 0.234 INCHES MINIMUM AND 0.244 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 | S |
| Reference | Meaning |
|---|---|
| SAE AS3581 | 5/9 Secondary reference U.S. Government activity |
| BS1806-010 | 5/9 Secondary reference Hale Hamilton (valves) Ltd Div Cad Uxbridge |
| PL7141 ITEM 11 | 5/9 Secondary reference The Stationery Office Ltd |
| 283096-0001 PIECE 61 | 5/1 Secondary reference U.S. Government activity |
| M83248-2-010CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| MIL-R-83248-010 | 5/9 Secondary reference U.S. Government activity |
| 52660-300 ITEM 19CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| PL7730 ITEM 11 | 5/9 Secondary reference Hale Hamilton (valves) Ltd Div Cad Uxbridge |
| 1889570ASSYAE 1/4IN PIECE 37 | 5/1 Secondary reference U.S. Government activity |
| AS3581-010 | 2/2 Government specification standardization U.S. Government activity |
| SAE-AS3581 | 5/1 Secondary reference Sae International Dba Sae International |
| 283096-0001 PIECE 61CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| MIL-R-25897-010 | 5/9 Secondary reference U.S. Government activity |
| PL7139 ITEM 9 | 5/9 Secondary reference Hale Hamilton (valves) Ltd Div Cad Uxbridge |
| PL8385 ITEM 10 | 5/9 Secondary reference Hale Hamilton (valves) Ltd Div Cad Uxbridge |
| 52660-300 ITEM 19 | 5/1 Secondary reference U.S. Government activity |
| 1889570ASSYAE 1/4IN PIECE 37CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| M83248-2-010 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-090-4116 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5331-01-375-9774, 5330-01-721-3268. Verify interchangeability with system specifications before substitution.
Key specifications for 5331-01-090-4116: Temp Rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL; Criticality Code Justification: ZZZW. 9 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.