The Washer,flat, cataloged under National Stock Number 5310-00-689-3703, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Woodward Nederland B.v.. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-689-3703 |
| Primary Part Number | 218720 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Woodward Nederland B.v. |
| Status | ACTIVE |
| Overall Diameter | 0.433 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | ANODIZE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | ALUMINUM ALLOY OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.219 INCHES NOMINAL IN |
| Thickness | 0.041 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 |
|---|---|
| 218720 | Woodward Nederland B.v. (NLD) |
| 91624470 | Thales Sa (FRA) |
| Reference | Meaning |
|---|---|
| 218720 | 3/9 Design control — primary reference Woodward, Inc. Div Fuel Systems and Controls |
| 02261-0126-02 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 218720 | C/1 Advisory reference — outside the item-of-supply concept Woodward, Inc. |
| 5310PL0940390 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5310-00-689-3703 is a Washer,flat, manufactured by Woodward Nederland B.v., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-689-3703 has 2 manufacturer part numbers on file: 218720 (Woodward Nederland B.v.), 91624470 (Thales Sa).
Key specifications for 218720: Overall Diameter: 0.433 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: ANODIZE OVERALL; 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.