The Washer,flat, cataloged under National Stock Number 5310-00-167-0710, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-167-0710 |
| Primary Part Number | 407 601 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company |
| Status | ACTIVE |
| Overall Diameter | 1.183 INCHES MINIMUM AND 1.208 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-561 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-359 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | ALUMINUM ALLOY 1100 OR ALUMINUM ALLOY 3003 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.640 INCHES NOMINAL IN |
| Thickness | 0.013 INCHES MINIMUM AND 0.019 INCHES MAXIMUM 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 |
|---|---|
| 407 601 | Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company (USA) |
| Reference | Meaning |
|---|---|
| AN960A1016L | 2/2 Government specification standardization U.S. Government activity |
NSN 5310-00-167-0710 is a Washer,flat, manufactured by Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-167-0710 has 1 manufacturer part number on file: 407 601 (Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company).
5 possible matches (shared part number, not a government interchangeability claim): 6130-00-575-5923, 1680-00-868-7211, 5962-01-065-7837. Verify interchangeability with system specifications before substitution.
Key specifications for 407 601: Overall Diameter: 1.183 INCHES MINIMUM AND 1.208 INCHES MAXIMUM IN; Material Document and Classification: QQ-A-561 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-359 FED SPEC 2ND 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.