The O-Ring, cataloged under National Stock Number 5331-01-476-7690, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-476-7690 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Hardness Rating | 75.0 SHORE DUROMETER A NOMINAL |
| Material Document and Classification | MIL-R-83248,TY 1,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| 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 |
| Reference | Meaning |
|---|---|
| PL14006N18ITEM456D | 5/9 Secondary reference U.S. Government activity |
| 20A11XMS250 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| PL14006N18ITEM456D | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| 20A11XMS250 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5331-01-476-7690 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
Key specifications for 5331-01-476-7690: Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL; Material Document and Classification: MIL-R-83248,TY 1,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE; Part Name Assigned by Controlling Agency: O-RING(SEAL BODY); End Item Identification: SUB ATMOSPHERE CONTROL(88032)PARTS LIST 14006N18. 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.