The Ring,retaining, cataloged under National Stock Number 5325-01-526-5915, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5325-01-526-5915 |
| Primary Part Number | 8207-1/4 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 8207-1/4 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 8207-1/4 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| 6KK575 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 6KK575 | 3/9 Design control — primary reference Oshkosh Corp |
NSN 5325-01-526-5915 is a Ring,retaining, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-526-5915 has 3 manufacturer part numbers on file: 8207-1/4 (Parker-Hannifin Corp Div O-Ring Division), 8207-1/4 (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), 6KK575 (Oshkosh Defense Llc).
1 possible match (shared part number, not a government interchangeability claim): 6720-01-670-7299. Verify interchangeability with system specifications before substitution.
Key specifications for 8207-1/4: Special Features: NHA IS ADAPTER, STRAIGHT, P/N 8-8F40X-5;FOR BSPP MALE THREADS; 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.