The Ring,retaining, cataloged under National Stock Number 5325-01-526-5334, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-526-5334 |
| Primary Part Number | 6KK573 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5325-01-526-5334 is a Ring,retaining, manufactured by Oshkosh Defense Llc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-526-5334 has 2 manufacturer part numbers on file: 8207-1/2 (Parker-Hannifin Corp Div O-Ring Division), 6KK573 (Oshkosh Defense Llc).
Key specifications for 6KK573: Special Features: NHA IS NIPPLE, PIPE, P/N 999-1662;FOR BSPP THREAD SIZE 1/2; Part Name Assigned by Controlling Agency: RETAINER RING; End Item Identification: HIMARS, RSV, MK37, 2320-01-504-5218. 0 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.