The Washer,recessed, cataloged under National Stock Number 5310-01-252-0619, 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 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-252-0619 |
| Primary Part Number | 12350316 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Radius | 2.750 INCHES NOMINAL IN |
| Style Designator | RECESSED |
| Outside Diameter | 2.000 INCHES NOMINAL IN |
| Recess Diameter | 1.125 INCHES NOMINAL IN |
| Color | BLACK OVERALL |
| Surface Treatment | OXIDE OVERALL |
| Material | STEEL COMP 1213 OVERALL |
| Hole Diameter | 1.062 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 |
|---|---|
| 12350316 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| CL-7-SW | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-252-0619 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 5310-01-252-0619 has 1 manufacturer part number on file: 12350316 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12350316: Overall Height: 0.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Radius: 2.750 INCHES NOMINAL IN; Style Designator: RECESSED. 9 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.