The Washer,flat, cataloged under National Stock Number 5310-01-414-5630, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Advanced Industries, Llc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-414-5630 |
| Primary Part Number | 5-14-642-44 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Advanced Industries, Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625, TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 1.645 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | ANODIZE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.497 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN |
| Thickness | 0.063 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 |
|---|---|
| 5-14-642-44 | Advanced Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| 13215E4213 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-414-5630 is a Washer,flat, manufactured by Advanced Industries, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-414-5630 has 1 manufacturer part number on file: 5-14-642-44 (Advanced Industries, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-562-4481. Verify interchangeability with system specifications before substitution.
Key specifications for 5-14-642-44: Surface Treatment Document and Classification: MIL-A-8625, TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 1.645 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: ANODIZE OVERALL. 9 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.