The Washer,flat, cataloged under National Stock Number 5310-01-616-5786, 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. Government technical data includes 2 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-616-5786 |
| Primary Part Number | 3255-12NR164A |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Material Document and Classification | ASTM A240 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5504 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 3255-12NR164A PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| PL-999F0934 FIND NO 6 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 5310-01-616-5786 is a Washer,flat, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-616-5786 has 2 manufacturer part numbers on file: 3255-12NR164A (Circor Naval Solutions Llc Dba Warren Pumps), PL-999F0934 FIND NO 6 (Circor Naval Solutions Llc Dba Warren Pumps).
Key specifications for 3255-12NR164A: Material Document and Classification: ASTM A240 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5504 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL; Part Name Assigned by Controlling Agency: WASHER,PLAIN,TY.A 3/4N; End Item Identification: 10-SEDN-17 CHILLED WATER PUMP; Material: STEEL CORROSION RESISTING OVERALL. 2 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.