The Washer,flat, cataloged under National Stock Number 5310-01-555-5019, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-555-5019 |
| Primary Part Number | AEW24X75W000BD6A81 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Overall Diameter | 1.993 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM F436 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Color | YELLOW OVERALL |
| Surface Treatment | ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.805 INCHES MINIMUM AND 0.842 INCHES MAXIMUM IN |
| Thickness | 0.122 INCHES MINIMUM AND 0.177 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 |
|---|---|
| 3011682 | General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA) |
| 33864 | Fastenal Company Dba Fastenal Co (USA) |
| AEW24X75W000BD6A81 PRIMARY | The American Society of Mechanical Engineers (USA) |
| Reference | Meaning |
|---|---|
| ASME B18.22.1 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
| ASME B18.21.1 | 5/9 Secondary reference The American Society of Mechanical Engineers |
| 12759-00462 | 7/9 Vendor item drawing reference Fastenal Company Dba Fastenal Co |
NSN 5310-01-555-5019 is a Washer,flat, manufactured by The American Society of Mechanical Engineers, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-555-5019 has 3 manufacturer part numbers on file: 3011682 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp), 33864 (Fastenal Company Dba Fastenal Co), AEW24X75W000BD6A81 (The American Society of Mechanical Engineers).
5 possible matches (shared part number, not a government interchangeability claim): 6625-01-615-5596, 5310-01-648-2302, 5310-01-674-5062. Verify interchangeability with system specifications before substitution.
Key specifications for AEW24X75W000BD6A81: Overall Diameter: 1.993 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN; Material Document and Classification: ASTM F436 ASSN STD ALL MATERIAL RESPONSES OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Color: YELLOW OVERALL. 10 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.