The Washer,recessed, cataloged under National Stock Number 5310-01-078-5114, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Eaton Corp Dba Eaton Aerospace Jackson. Government technical data includes 8 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 | 5310-01-078-5114 |
| Primary Part Number | 215981-1 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Eaton Corp Dba Eaton Aerospace Jackson |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Material Document and Classification | AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.480 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN |
| Material Thickness | 0.088 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN |
| Recess Diameter | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Hole Diameter | 0.285 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN |
| Recess Angle | 90.0 DEGREES MINIMUM AND 100.0 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 |
|---|---|
| 215981-1 PRIMARY | Eaton Corp Dba Eaton Aerospace Jackson (USA) |
NSN 5310-01-078-5114 is a Washer,recessed, manufactured by Eaton Corp Dba Eaton Aerospace Jackson, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-078-5114 has 1 manufacturer part number on file: 215981-1 (Eaton Corp Dba Eaton Aerospace Jackson).
Key specifications for 215981-1: Style Designator: RECESSED; Material Document and Classification: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.480 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN; Material Thickness: 0.088 INCHES MINIMUM AND 0.102 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.