The Ring,retaining, cataloged under National Stock Number 5325-01-651-6136, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-651-6136 |
| Primary Part Number | 725D0071 B517A |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 725D0071 B517A PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| 999F0937 FN 5 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| Reference | Meaning |
|---|---|
| PL999F0937 FN 5 | C/1 Advisory reference — outside the item-of-supply concept Circor Naval Solutions Llc Dba Warren Pumps |
NSN 5325-01-651-6136 is a Ring,retaining, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-651-6136 has 2 manufacturer part numbers on file: 725D0071 B517A (Circor Naval Solutions Llc Dba Warren Pumps), 999F0937 FN 5 (Circor Naval Solutions Llc Dba Warren Pumps).
Key specifications for 725D0071 B517A: Part Name Assigned by Controlling Agency: RING,CHANNEL 3RD STAGE SIZE); End Item Identification: 4-TDHB-6 PUMP; Material: STEEL CORROSION RESISTING. 1 specification is 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.