The Washer,key, cataloged under National Stock Number 5310-00-177-7600, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-177-7600 |
| Primary Part Number | 12286992 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Distance From Centerline to Inside of Prebent Key | 0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Split Key Length | 0.157 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN |
| External Prebent Key Length | 0.095 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 0.798 INCHES MINIMUM AND 0.826 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.558 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN |
| External Tapered Key Width | 0.290 INCHES NOMINAL IN |
| Material Thickness | 0.027 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN |
| External Key Quantity | 3 |
| External Prebent Key Angle | 20.0 DEGREES MINIMUM AND 40.0 DEGREES MAXIMUM |
| External Prebent Key Width | 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN |
| Material | STEEL COMP 321 OVERALL |
| Angle Between External Keys | 60.0 DEGREES NOMINAL |
| Hole Diameter | 0.328 INCHES MINIMUM AND 0.333 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 |
|---|---|
| 12286992 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| VSTD3023K3 | Vericor Power Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| STD3023K3 | 5/2 Secondary reference U.S. Government activity |
| 5310001777600 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5310-00-177-7600 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 5310-00-177-7600 has 2 manufacturer part numbers on file: 12286992 (U S Army Tank Automotive Command Amsta-Im-Mm), VSTD3023K3 (Vericor Power Systems Llc).
Key specifications for 12286992: Distance From Centerline to Inside of Prebent Key: 0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Split Key Length: 0.157 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN; External Prebent Key Length: 0.095 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN; Overall Distance Including Keys: 0.798 INCHES MINIMUM AND 0.826 INCHES MAXIMUM IN. 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.