The O-Ring, cataloged under National Stock Number 5331-01-375-3083, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5331-01-375-3083 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Temp Rating | -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Special Test Features | SPECIAL QUALITY CONTROL TESTING |
| Hardness Rating | 70.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM |
| Criticality Code Justification | ZZZW |
| Material Document and Classification | MIL-R-83248,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| Departure From Cited Document | AS MODIFIED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS |
| Center Hole Diameter | 1.225 INCHES MINIMUM AND 1.249 INCHES MAXIMUM IN |
| Test Data Document | 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| 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 | Y |
| Reference | Meaning |
|---|---|
| MIL-R-83248 | 5/9 Secondary reference U.S. Government activity |
| M83248/1-124 | 2/1 Government specification standardization U.S. Government activity |
| MIL-R-83248/1 | 4/1 Identification reference U.S. Government activity |
| LL-HX8-4147 | 5/9 Secondary reference Defense Logistics Agency Dba Defense Supply Center Philadelphia |
NSN 5331-01-375-3083 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-390-4041, 5330-01-463-8796. Verify interchangeability with system specifications before substitution.
Key specifications for 5331-01-375-3083: Temp Rating: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Special Test Features: SPECIAL QUALITY CONTROL TESTING; Hardness Rating: 70.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM. 10 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.