The Washer,recessed, cataloged under National Stock Number 5310-00-752-7641, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Amphenol Corp Div Amphenol Aerospace Operations. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-752-7641 |
| Primary Part Number | 10-40703-9 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Amphenol Corp Div Amphenol Aerospace Operations |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Material Document and Classification | AMS-4120 ASSN STD SINGLE MATERIAL RESPONSE OR AMS-4118 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.046 INCHES MINIMUM AND 1.052 INCHES MAXIMUM IN |
| Recess Depth | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Material Thickness | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Recess Diameter | 0.806 INCHES MINIMUM AND 0.816 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 2017 OVERALL |
| Hole Diameter | 0.761 INCHES MINIMUM AND 0.771 INCHES MAXIMUM IN |
| Recess Angle | 120.0 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 |
|---|---|
| 10-40703-9 PRIMARY | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
NSN 5310-00-752-7641 is a Washer,recessed, manufactured by Amphenol Corp Div Amphenol Aerospace Operations, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-752-7641 has 1 manufacturer part number on file: 10-40703-9 (Amphenol Corp Div Amphenol Aerospace Operations).
Key specifications for 10-40703-9: Overall Height: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Style Designator: RECESSED; Material Document and Classification: AMS-4120 ASSN STD SINGLE MATERIAL RESPONSE OR AMS-4118 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.046 INCHES MINIMUM AND 1.052 INCHES MAXIMUM 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.