The Washer,recessed, cataloged under National Stock Number 5310-00-231-1450, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-231-1450 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Material Document and Classification | AMS 5010 ASSN STD 1ST MATERIAL RESPONSE AND AMS 5022 ASSN STD 2ND MATERIAL RESPONSE AND AISI B1112 ASSN STD 3RD MATERIAL RESPONSE AND AISI 1113 ASSN STD 4TH MATERIAL RESPONSE AND AISI C1117 ASSN STD 5TH MATERIAL RESPONSE AND AISI 1118 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 0.943 INCHES MINIMUM AND 0.963 INCHES MAXIMUM IN |
| Recess Depth | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Material Thickness | 0.024 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.627 INCHES MINIMUM AND 0.630 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 |
| Reference | Meaning |
|---|---|
| 696059 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-231-1450 is a Washer,recessed, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-231-1450: Overall Height: 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN; Style Designator: RECESSED; Material Document and Classification: AMS 5010 ASSN STD 1ST MATERIAL RESPONSE AND AMS 5022 ASSN STD 2ND MATERIAL RESPONSE AND AISI B1112 ASSN STD 3RD MATERIAL RESPONSE AND AISI 1113 ASSN STD 4TH MATERIAL RESPONSE AND AISI C1117 ASSN STD 5TH MATERIAL RESPONSE AND AISI 1118 ASSN STD ALL MATERIAL RESPONSES OVERALL; Outside Diameter: 0.943 INCHES MINIMUM AND 0.963 INCHES MAXIMUM 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.