The Washer,flat, cataloged under National Stock Number 5310-00-441-6490, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International, Inc Div Aerospace-Tucson. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-441-6490 |
| Primary Part Number | 844454 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Honeywell International, Inc Div Aerospace-Tucson |
| Status | ACTIVE |
| Overall Diameter | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| Hardness Rating | 75.0 ROCKWELL B MINIMUM AND 85.0 ROCKWELL B MAXIMUM |
| Material Document and Classification | AMS 5044 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | CADMIUM OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1010 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.256 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN |
| Thickness | 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM 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 |
|---|---|
| 844454 PRIMARY | Honeywell International, Inc Div Aerospace-Tucson (USA) |
| Reference | Meaning |
|---|---|
| 844454 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5310-00-441-6490 is a Washer,flat, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-441-6490 has 1 manufacturer part number on file: 844454 (Honeywell International, Inc Div Aerospace-Tucson).
Key specifications for 844454: Overall Diameter: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN; Hardness Rating: 75.0 ROCKWELL B MINIMUM AND 85.0 ROCKWELL B MAXIMUM; Material Document and Classification: AMS 5044 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 10 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.