The Washer,flat, cataloged under National Stock Number 5310-00-059-4261, 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 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-059-4261 |
| Primary Part Number | 7414384 |
| 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 | 0.9375 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Nondefinitive Spec/std Data | A TYPE |
| Surface Treatment | ZINC AND DICHROMATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.2813 INCHES NOMINAL IN |
| Thickness | 0.063 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 |
|---|---|
| 1729W205 | Meritor Heavy Vehicle Systems, Llc (USA) |
| 7414384 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 6403TA PRIMARY | Oshkosh Defense Llc (USA) |
| 1729W205 | Meritor Industrial Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| 98752R1 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| Z-1729W205 | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
| 6403TA | 5/9 Secondary reference Oshkosh Corp |
| FC14768 | 5/9 Secondary reference Federal Mogul Corp Sub Wagner Brake Moog Automotive Div |
| 98722R1 | 3/2 Design control — primary reference U.S. Government activity |
| MILW1085TYPEA | 4/1 Identification reference U.S. Government activity |
NSN 5310-00-059-4261 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 5310-00-059-4261 has 4 manufacturer part numbers on file: 1729W205 (Meritor Heavy Vehicle Systems, Llc), 7414384 (U S Army Tank Automotive Command Amsta-Im-Mm), 6403TA (Oshkosh Defense Llc), 1729W205 (Meritor Industrial Products, Llc).
Key specifications for 7414384: Overall Diameter: 0.9375 INCHES NOMINAL IN; Material Document and Classification: ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Nondefinitive Spec/std Data: A TYPE. 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.