The Washer,flat, cataloged under National Stock Number 5310-00-641-3906, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 8 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 | 5310-00-641-3906 |
| Primary Part Number | 427016PC93 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Overall Diameter | 0.700 INCHES MINIMUM AND 0.720 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-C-6183,TYPE 2,GR FIRM MIL SPEC 1ST MATERIAL RESPONSE AND MIL-C-6183,TYPE 2,GR FIRM MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | CORK AND RUBBER SYNTHETIC OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN |
| Thickness | 0.054 INCHES MINIMUM AND 0.070 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 |
|---|---|
| 427016PC93 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| T5818144PC93 PRIMARY | General Electric Company (USA) |
NSN 5310-00-641-3906 is a Washer,flat, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-641-3906 has 2 manufacturer part numbers on file: 427016PC93 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), T5818144PC93 (General Electric Company).
Key specifications for 427016PC93: Overall Diameter: 0.700 INCHES MINIMUM AND 0.720 INCHES MAXIMUM IN; Material Document and Classification: MIL-C-6183,TYPE 2,GR FIRM MIL SPEC 1ST MATERIAL RESPONSE AND MIL-C-6183,TYPE 2,GR FIRM MIL 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.