The Washer,recessed, cataloged under National Stock Number 5310-00-700-0436, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-700-0436 |
| Primary Part Number | 7000436 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Top Recess Diameter | 1.416 INCHES NOMINAL IN |
| Bottom Recess Diameter | 1.416 INCHES NOMINAL IN |
| Hardness Rating | 57.0 ROCKWELL C MINIMUM |
| Top Recess Angle | 90.0 DEGREES NOMINAL |
| Style Designator | RECESSED BOTH SIDES |
| Material Document and Classification | QQ-S-633 CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.365 INCHES MINIMUM AND 2.385 INCHES MAXIMUM IN |
| Recess Depth | 0.006 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN |
| Features Provided | CASEHARDENED |
| Material Thickness | 0.185 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Bottom Recess Angle | 90.0 DEGREES NOMINAL |
| Recess Diameter | 1.416 INCHES NOMINAL IN |
| Surface Treatment | COPPER AND TIN OVERALL |
| Material | STEEL COMP 1020 OVERALL |
| Hole Diameter | 1.385 INCHES MINIMUM AND 1.395 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 |
|---|---|
| 7000436 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 1829Q381 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 2124874 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 667180 | 5/9 Secondary reference Sasco Inc Canadian Div |
| 2124874 | 5/9 Secondary reference General Motors Corp |
NSN 5310-00-700-0436 is a Washer,recessed, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-700-0436 has 2 manufacturer part numbers on file: 7000436 (U S Army Tank Automotive Command Amsta-Im-Mm), 1829Q381 (Meritor Heavy Vehicle Systems, Llc).
Key specifications for 7000436: Top Recess Diameter: 1.416 INCHES NOMINAL IN; Bottom Recess Diameter: 1.416 INCHES NOMINAL IN; Hardness Rating: 57.0 ROCKWELL C MINIMUM; Top Recess Angle: 90.0 DEGREES NOMINAL. 15 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.