The Washer,key, cataloged under National Stock Number 5310-00-920-7424, 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 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-920-7424 |
| Primary Part Number | 10949760 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| External Straight Key Length | 0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| Internal Prebent Key Angle | 90.0 DEGREES NOMINAL |
| Internal Prebent Key Width | 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-698 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 1.687 INCHES MINIMUM AND 2.124 INCHES MAXIMUM IN |
| Material Thickness | 0.047 INCHES MINIMUM AND 0.049 INCHES MAXIMUM IN |
| External Straight Key Width | 0.562 INCHES MAXIMUM IN |
| External Key Quantity | 2 |
| Internal Prebent Key Length | 0.094 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 1.320 INCHES MINIMUM AND 1.335 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 |
|---|---|
| 10949760 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5310-00-920-7424 is a Washer,key, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-920-7424 has 1 manufacturer part number on file: 10949760 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10949760: External Straight Key Length: 0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN; Internal Prebent Key Angle: 90.0 DEGREES NOMINAL; Internal Prebent Key Width: 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN; Overall Distance Including Keys: 0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN. 14 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.