The Washer,recessed, cataloged under National Stock Number 5310-01-686-5475, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Div Corp. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-686-5475 |
| Primary Part Number | G688572-1 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Raytheon Company Div Corp |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35, TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | RECESSED |
| Material Document and Classification | ASTM A-582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.500 INCHES NOMINAL IN |
| Material Thickness | 0.105 INCHES NOMINAL IN |
| Recess Diameter | 0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 303 OVERALL |
| Hole Diameter | 0.193 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN |
| Recess Angle | 95.0 DEGREES MINIMUM AND 105.0 DEGREES MAXIMUM |
| 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 |
|---|---|
| G688572-1 PRIMARY | Raytheon Company Div Corp (USA) |
| Reference | Meaning |
|---|---|
| G688572 | D/9 Drawing number reference only Raytheon Company Div Corp |
NSN 5310-01-686-5475 is a Washer,recessed, manufactured by Raytheon Company Div Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-686-5475 has 1 manufacturer part number on file: G688572-1 (Raytheon Company Div Corp).
Key specifications for G688572-1: Surface Treatment Document and Classification: QQ-P-35, TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: RECESSED; Material Document and Classification: ASTM A-582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.500 INCHES NOMINAL IN. 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.