The Washer,recessed, cataloged under National Stock Number 5310-01-352-7735, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-352-7735 |
| Primary Part Number | 03A280C10P |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| Style Designator | RECESSED |
| Material Document and Classification | AMS 5596 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5597 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.148 INCHES MINIMUM AND 1.168 INCHES MAXIMUM IN |
| Material Thickness | 0.099 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN |
| Recess Diameter | 0.764 INCHES MINIMUM AND 0.774 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | NICKEL ALLOY 718 OVERALL |
| Hole Diameter | 0.627 INCHES MINIMUM AND 0.631 INCHES MAXIMUM IN |
| Recess Angle | 90.0 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 |
|---|---|
| AS32990C10P | Anillo Industries Llc (USA) |
| 03A280C10P | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| 03A280C10P PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| MM891C10P | Moeller Manufacturing & Supply, Llc (USA) |
| Reference | Meaning |
|---|---|
| VN948YNP10CP | 5/2 Secondary reference U.S. Government activity |
| NS202859C10P | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-352-7735 is a Washer,recessed, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-352-7735 has 4 manufacturer part numbers on file: AS32990C10P (Anillo Industries Llc), 03A280C10P (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), 03A280C10P (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), MM891C10P (Moeller Manufacturing & Supply, Llc).
Key specifications for 03A280C10P: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM; Style Designator: RECESSED; Material Document and Classification: AMS 5596 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5597 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 11 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.