The O-Ring, cataloged under National Stock Number 5331-01-498-4278, 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 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-498-4278 |
| Primary Part Number | 602202Q000 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corporation Div Hydraulic Accumulator Division |
| Status | ACTIVE |
| Center Hole Diameter | 2.000 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| 2HG473 | Oshkosh Defense Llc (USA) |
| 602202Q000 PRIMARY | Parker-Hannifin Corporation Div Hydraulic Accumulator Division (USA) |
| Reference | Meaning |
|---|---|
| 6022020000 | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Div Hydraulic Accumulator Division |
| 2HG473 | 5/9 Secondary reference Oshkosh Corp |
NSN 5331-01-498-4278 is a O-Ring, manufactured by Parker-Hannifin Corporation Div Hydraulic Accumulator Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-498-4278 has 2 manufacturer part numbers on file: 2HG473 (Oshkosh Defense Llc), 602202Q000 (Parker-Hannifin Corporation Div Hydraulic Accumulator Division).
Key specifications for 602202Q000: Special Features: REFERENCE TM 9-2320-279-24P, C02(5); GROUP 2001 HOIST, CAPSTAN, WINDLASS, CRANE OR WINCH ASSEMBLY; FIG 361A CRANE ACCUMULATOR ASSY - M977, M984A1 AND M985; INDEX 12 A; Center Hole Diameter: 2.000 INCHES NOMINAL IN; End Item Identification: HEMTT 8X8 TACT CARGO TRUCK,2320010970260; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 2 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.