The Ring,retaining, cataloged under National Stock Number 5325-01-509-6337, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Flowserve Us Company Div Flow Control 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Ring,retaining |
| FSC / FSG | 5325 — Fastening Devices (FSG 53) |
| Manufacturers | Flowserve Us Company Div Flow Control Division (CAGE 1J9B9); Pro-Quip Inc (CAGE 1PWY2) |
| Parameter | Value |
|---|---|
| NSN | 5325-01-509-6337 |
| Primary Part Number | 016680.029.002 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Flowserve Us Company Div Flow Control Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 016680.029.002 PRIMARY | Flowserve Us Company Div Flow Control Division (USA) |
| 608537.001 SEQ 256 | Flowserve Us Company Div Flow Control Division (USA) |
| 016680.029.002 | Pro-Quip Inc (USA) |
| Reference | Meaning |
|---|---|
| 608537.001 | D/9 Drawing number reference only Flowserve Us Company Div Flow Control Division |
NSN 5325-01-509-6337 is a Ring,retaining, manufactured by Flowserve Us Company Div Flow Control Division, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-509-6337 has 3 manufacturer part numbers on file: 016680.029.002 (Flowserve Us Company Div Flow Control Division), 608537.001 SEQ 256 (Flowserve Us Company Div Flow Control Division), 016680.029.002 (Pro-Quip Inc).
3 possible matches (shared part number, not a government interchangeability claim): 3120-01-509-6889, 3120-01-509-6892, 4810-01-510-0325. Verify interchangeability with system specifications before substitution.
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.