The Washer,flat, cataloged under National Stock Number 5310-01-183-6844, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Highland Engineering, Inc.. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-183-6844 |
| Primary Part Number | 701-M10HN104 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Highland Engineering, Inc. |
| Status | ACTIVE |
| Center Hole Width | 1.636 INCHES NOMINAL IN |
| Overall Diameter | 3.000 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | DEE |
| Hole Diameter | 1.773 INCHES NOMINAL IN |
| Thickness | 0.125 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 |
|---|---|
| 701-M10HN104 PRIMARY | Highland Engineering, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 105103 | 5/9 Secondary reference Standard Forge and Axle Co Inc |
| M10HN104 | 5/9 Secondary reference Dana Corp Spicer Trailer Axle Plant |
NSN 5310-01-183-6844 is a Washer,flat, manufactured by Highland Engineering, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-183-6844 has 1 manufacturer part number on file: 701-M10HN104 (Highland Engineering, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-275-9623. Verify interchangeability with system specifications before substitution.
Key specifications for 701-M10HN104: Center Hole Width: 1.636 INCHES NOMINAL IN; Overall Diameter: 3.000 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Special Features: HARDENED TO SPECIFICATION SFH 108; GROUND FINISH AFTER HARDENED. 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.