The Washer,flat, cataloged under National Stock Number 5310-01-684-1296, 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-684-1296 |
| Primary Part Number | 12587634 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Overall Diameter | 1.63 INCHES NOMINAL IN |
| Material Document and Classification | STMA36 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.88 INCHES NOMINAL IN |
| Thickness | 0.375 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 |
|---|---|
| 12587634 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5310-01-684-1296 is a Washer,flat, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-684-1296 has 1 manufacturer part number on file: 12587634 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12587634: Overall Diameter: 1.63 INCHES NOMINAL IN; Material Document and Classification: STMA36 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Special Features: APPLICABLE STANDARDS/SPECIFICATIONS: A)ASME Y14.100-2004 B) ASME Y14.5-2009; INDIVIDUAL PARTS MAY BE TRIMMED TO CONFORM TO ASSEMBLY DIMENSIONS; WELD IAW ANSI/AWS D1.1; FINISH NOTES: 1)FINISH IAW 12369003, INTERIOR AND EXTERIORNOTE TT-C-490 TYPE VIII PERMITTED. INDENTIFICATION NOTES: 1) ENGRAVE OR STEELSTAMP THE FOLLOWING IN 1.125 HIGH CHARACTERS IAW MIL-STD-130 "19207-12587634""MFR-(MFR CAGE CODE)". 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.