The Washer,flat, cataloged under National Stock Number 5310-00-726-7947, 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 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-726-7947 |
| Primary Part Number | N-17601-3 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Material Document and Classification | MIL-P-5516,CL B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | RUBBER SYNTHETIC OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.734 INCHES NOMINAL IN |
| Thickness | 0.125 INCHES NOMINAL IN |
| 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 |
|---|---|
| N-17601-3 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| Reference | Meaning |
|---|---|
| R808REVAIT3 | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| R807REVAIT3 | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| N17601 | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| R809REVBIT1L | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| Z126 | 3/9 Design control — primary reference Circor Naval Solutions Llc Dba Warren Pumps |
NSN 5310-00-726-7947 is a Washer,flat, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-726-7947 has 1 manufacturer part number on file: N-17601-3 (Circor Naval Solutions Llc Dba Warren Pumps).
Key specifications for N-17601-3: Overall Diameter: 3.500 INCHES NOMINAL IN; Material Document and Classification: MIL-P-5516,CL B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 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.