The Washer,flat, cataloged under National Stock Number 5310-01-522-0642, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-522-0642 |
| Primary Part Number | 11103708 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fastenal Company Dba Fastenal Co |
| Status | ACTIVE |
| Overall Diameter | 15.570 MILLIMETERS MINIMUM AND 16.000 MILLIMETERS MAXIMUM MM |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 8.400 MILLIMETERS MINIMUM AND 8.620 MILLIMETERS MAXIMUM MM |
| Thickness | 1.600 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 11103708 PRIMARY | Fastenal Company Dba Fastenal Co (USA) |
| 10502237 | General Dynamics Land Systems Canadacorp (CAN) |
| Reference | Meaning |
|---|---|
| DIN125-A8.4-200HV-A2L | 5/9 Secondary reference Din Deutsches Institut Fur Normung Ev |
| ISO7089-8-200HV-A2L | C/1 Advisory reference — outside the item-of-supply concept International Organization for Standardization (iso) |
| ISO7089-A8.4-200HV-A2L | 5/9 Secondary reference International Organization for Standardization (iso) |
NSN 5310-01-522-0642 is a Washer,flat, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-522-0642 has 2 manufacturer part numbers on file: 11103708 (Fastenal Company Dba Fastenal Co), 10502237 (General Dynamics Land Systems Canadacorp).
1 possible match (shared part number, not a government interchangeability claim): 6150-01-732-3904. Verify interchangeability with system specifications before substitution.
Key specifications for 11103708: Overall Diameter: 15.570 MILLIMETERS MINIMUM AND 16.000 MILLIMETERS MAXIMUM MM; Cross-Sectional Shape Style: RECTANGULAR; Special Features: HARDNESS CLASS IS 200HV; Peripheral Shape Style: ROUND. 7 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.