The Washer,recessed, cataloged under National Stock Number 5310-01-253-5935, 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 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-253-5935 |
| Primary Part Number | 12349740 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Outside Diameter | 1.500 INCHES NOMINAL IN |
| Material Thickness | 0.238 INCHES MINIMUM AND 0.242 INCHES MAXIMUM IN |
| Recess Diameter | 1.123 INCHES NOMINAL IN |
| Material | STEEL COMP MT1010 OR STEEL COMP MT1015 OR STEEL COMP MT1020 OR STEEL COMP MTX1015 OR STEEL COMP MTX1020 OR STEEL COMP 1018 OR STEEL COMP 1025 OR STEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OVERALL |
| Hole Diameter | 0.940 INCHES MINIMUM AND 0.945 INCHES MAXIMUM IN |
| Recess Angle | 45.0 DEGREES NOMINAL |
| 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 |
|---|---|
| 12349740 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12349740 | 8/1 NATO reproduction reference Fnss Savunma Sistemleri Anonim Sirketi |
NSN 5310-01-253-5935 is a Washer,recessed, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-253-5935 has 1 manufacturer part number on file: 12349740 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12349740: Style Designator: RECESSED; Outside Diameter: 1.500 INCHES NOMINAL IN; Material Thickness: 0.238 INCHES MINIMUM AND 0.242 INCHES MAXIMUM IN; Recess Diameter: 1.123 INCHES NOMINAL IN. 7 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.