The Washer,recessed, cataloged under National Stock Number 5310-00-010-8214, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Heligear Acquisition Co. Dba Northstar Aerospace, Inc.. Government technical data includes 6 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-010-8214 |
| Primary Part Number | 641012-1 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Heligear Acquisition Co. Dba Northstar Aerospace, Inc. |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Outside Diameter | 1.370 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN |
| Recess Depth | 0.015 INCHES NOMINAL IN |
| Material Thickness | 0.063 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.890 INCHES NOMINAL IN |
| 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 |
|---|---|
| 641012-1 PRIMARY | Heligear Acquisition Co. Dba Northstar Aerospace, Inc. (USA) |
NSN 5310-00-010-8214 is a Washer,recessed, manufactured by Heligear Acquisition Co. Dba Northstar Aerospace, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-010-8214 has 1 manufacturer part number on file: 641012-1 (Heligear Acquisition Co. Dba Northstar Aerospace, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5910-01-135-2234. Verify interchangeability with system specifications before substitution.
Key specifications for 641012-1: Overall Height: 0.060 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN; Style Designator: RECESSED; Outside Diameter: 1.370 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN; Recess Depth: 0.015 INCHES NOMINAL IN. 6 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.