The Washer,recessed, cataloged under National Stock Number 5310-01-347-8263, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Anillo Industries Llc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-347-8263 |
| Primary Part Number | AS19879C12A |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Anillo Industries Llc |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Material Document and Classification | AMS 5525 ASSN STD 1ST MATERIAL RESPONSE AND AMS 5596 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.518 INCHES MINIMUM AND 1.528 INCHES MAXIMUM IN |
| Material Thickness | 0.099 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN |
| Recess Diameter | 0.903 INCHES MINIMUM AND 0.913 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM ALLOY OVERALL |
| Material | IRON ALLOY 660 AND NICKEL ALLOY 718 OVERALL |
| Hole Diameter | 0.752 INCHES MINIMUM AND 0.756 INCHES MAXIMUM IN |
| Recess Angle | 40.0 DEGREES MINIMUM AND 45.0 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 |
|---|---|
| AS19879C12A | Anillo Industries Llc (USA) |
| 03A257-12CA | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| 03A257C12A | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| MM118C12A | Moeller Manufacturing & Supply, Llc (USA) |
| 03A257C12A | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| Reference | Meaning |
|---|---|
| VN948BF12C | 5/2 Secondary reference U.S. Government activity |
| NS202860C12A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-347-8263 is a Washer,recessed, manufactured by Anillo Industries Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-347-8263 has 5 manufacturer part numbers on file: AS19879C12A (Anillo Industries Llc), 03A257-12CA (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), 03A257C12A (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), MM118C12A (Moeller Manufacturing & Supply, Llc), 03A257C12A (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems).
Key specifications for AS19879C12A: Style Designator: RECESSED; Material Document and Classification: AMS 5525 ASSN STD 1ST MATERIAL RESPONSE AND AMS 5596 ASSN STD 2ND MATERIAL RESPONSE OVERALL; Outside Diameter: 1.518 INCHES MINIMUM AND 1.528 INCHES MAXIMUM IN; Material Thickness: 0.099 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN. 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.