The Washer,flat, cataloged under National Stock Number 5310-01-472-4631, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Tico Titanium, Inc.. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-472-4631 |
| Primary Part Number | FW12 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Tico Titanium, Inc. |
| Status | ACTIVE |
| Overall Diameter | 1.063 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | TITANIUM OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.500 INCHES NOMINAL IN |
| Thickness | 0.078 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 |
|---|---|
| FW12 PRIMARY | Tico Titanium, Inc. (USA) |
| Reference | Meaning |
|---|---|
| FW12 | 3/9 Design control — primary reference Tico Titanium Inc |
NSN 5310-01-472-4631 is a Washer,flat, manufactured by Tico Titanium, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-472-4631 has 1 manufacturer part number on file: FW12 (Tico Titanium, Inc.).
Key specifications for FW12: Overall Diameter: 1.063 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Special Features: (INAVY)WASHER,FLAT .50 TITANIUM 5; Peripheral Shape Style: ROUND. 7 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.