The Washer,key, cataloged under National Stock Number 5310-00-655-9667, 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 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-655-9667 |
| Primary Part Number | 10861663 |
| 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 | 0.375 INCHES NOMINAL IN |
| Overall Distance Including Keys | 1.500 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-698,COND 3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.750 INCHES NOMINAL IN |
| Material Thickness | 0.042 INCHES NOMINAL IN |
| External Straight Key Width | 0.375 INCHES MAXIMUM IN |
| External Key Quantity | 3 |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL COMP 1015 OVERALL |
| Hole Diameter | 0.453 INCHES MINIMUM AND 0.483 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 |
|---|---|
| 10861663 | Fnss Savunma Sistemleri Anonim Sirketi (TUR) |
| 10861663 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 5310006559667 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 5310PL0898701 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5310-00-655-9667 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 5310-00-655-9667 has 2 manufacturer part numbers on file: 10861663 (Fnss Savunma Sistemleri Anonim Sirketi), 10861663 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10861663: External Straight Key Length: 0.375 INCHES NOMINAL IN; Overall Distance Including Keys: 1.500 INCHES NOMINAL IN; Material Document and Classification: QQ-S-698,COND 3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.750 INCHES NOMINAL IN. 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.