The O-Ring, cataloged under National Stock Number 5331-01-430-4182, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Div Hydraulic Accumulator Division. Government technical data includes 4 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-430-4182 |
| Primary Part Number | 312035 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corporation Div Hydraulic Accumulator Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.064 INCHES NOMINAL IN |
| Material Document and Classification | MIL-R-83248/1 CL2 MIL SPEC SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 0.239 INCHES NOMINAL 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 |
NSN 5331-01-430-4182 is a O-Ring, manufactured by Parker-Hannifin Corporation Div Hydraulic Accumulator Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-430-4182 has 2 manufacturer part numbers on file: 857950-9 (Parker-Hannifin Corporation Div Hydraulic Accumulator Division), 312035 (Parker-Hannifin Corporation Div Hydraulic Accumulator Division).
1 possible match (shared part number, not a government interchangeability claim): 1020-01-697-7403. Verify interchangeability with system specifications before substitution.
Key specifications for 312035: Cross-Sectional Height: 0.064 INCHES NOMINAL IN; Material Document and Classification: MIL-R-83248/1 CL2 MIL SPEC SINGLE MATERIAL RESPONSE; Center Hole Diameter: 0.239 INCHES NOMINAL IN; Material: RUBBER FLUOROCARBON CLASS FPM. 4 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.