The Washer,flat, cataloged under National Stock Number 5310-01-080-6312, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto. 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 | 5310-01-080-6312 |
| Primary Part Number | 623038-1 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto |
| Status | ACTIVE |
| Overall Diameter | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL CORROSION RESISTING OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.000 INCHES NOMINAL IN |
| Thickness | 0.032 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 |
|---|---|
| 623038-1 PRIMARY | Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto (CAN) |
NSN 5310-01-080-6312 is a Washer,flat, manufactured by Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-080-6312 has 1 manufacturer part number on file: 623038-1 (Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto).
Key specifications for 623038-1: Overall Diameter: 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN; Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 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.