The Washer Blank, cataloged under National Stock Number 5310-00-381-5819, 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 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-381-5819 |
| Primary Part Number | 654544 |
| Item Name | Washer Blank |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Overall Diameter | 0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | BLANK RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Thickness | 0.015 INCHES MINIMUM AND 0.025 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 |
|---|---|
| 654544 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 230406 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 5310-00-381-5819 is a Washer Blank, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-381-5819 has 1 manufacturer part number on file: 654544 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
3 possible matches (shared part number, not a government interchangeability claim): 4440-01-257-2716, 5962-01-270-0212, 4720-01-653-6308. Verify interchangeability with system specifications before substitution.
Key specifications for 654544: Overall Diameter: 0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN; Cross-Sectional Shape Style: BLANK RECTANGULAR; Peripheral Shape Style: ROUND; Material: STEEL OVERALL. 5 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.