The Washer,recessed, cataloged under National Stock Number 5310-00-557-8014, 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 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-557-8014 |
| Primary Part Number | S2210378-6 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Anillo Industries Llc |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Material Document and Classification | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.375 INCHES NOMINAL IN |
| Material Thickness | 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN |
| Recess Diameter | 0.283 INCHES MINIMUM AND 0.293 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Hole Diameter | 0.159 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN |
| Recess Angle | 100.0 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 |
|---|---|
| S2210378-6 | Anillo Industries Llc (USA) |
| S2210378-6 | All Power Manufacturing Co. (USA) |
| S2210378-6 | Moeller Manufacturing & Supply, Llc (USA) |
| Reference | Meaning |
|---|---|
| S2210378-6 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-557-8014 is a Washer,recessed, manufactured by Anillo Industries Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-557-8014 has 3 manufacturer part numbers on file: S2210378-6 (Anillo Industries Llc), S2210378-6 (All Power Manufacturing Co.), S2210378-6 (Moeller Manufacturing & Supply, Llc).
Key specifications for S2210378-6: Style Designator: RECESSED; Material Document and Classification: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.375 INCHES NOMINAL IN; Material Thickness: 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN. 8 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.