The Washer,flat, cataloged under National Stock Number 5310-01-733-6908, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Circor Naval Solutions Llc Dba Warren Pumps (CAGE 63857) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-733-6908 |
| Primary Part Number | R1223-25R169A |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| 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 |
|---|---|
| R1223-25R169A PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| Reference | Meaning |
|---|---|
| 999D0944 SHEET 1 | D/9 Drawing number reference only Circor Naval Solutions Llc Dba Warren Pumps |
| PL-999D0944 FIND NO-25 | C/1 Advisory reference — outside the item-of-supply concept Circor Naval Solutions Llc Dba Warren Pumps |
| R1223-25 | C/1 Advisory reference — outside the item-of-supply concept Circor Naval Solutions Llc Dba Warren Pumps |
NSN 5310-01-733-6908 is a Washer,flat, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-733-6908 has 1 manufacturer part number on file: R1223-25R169A (Circor Naval Solutions Llc Dba Warren Pumps).
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.