The Washer,flat, cataloged under National Stock Number 5310-01-414-7138, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-414-7138 |
| Primary Part Number | 108910-20 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| Overall Diameter | 0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 301 OR STEEL COMP 302 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.475 INCHES MINIMUM AND 0.481 INCHES MAXIMUM IN |
| Thickness | 0.015 INCHES MINIMUM AND 0.025 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 |
|---|---|
| 108910-20 PRIMARY | Triumph Engine Control Systems Llc (USA) |
| 108910-20 | Woodward, Inc. Div Fuel Systems and Controls (USA) |
| 108910-20 | Transupport Inc Dba Transupport Inc (USA) |
| Reference | Meaning |
|---|---|
| 108910-20 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-414-7138 is a Washer,flat, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-414-7138 has 3 manufacturer part numbers on file: 108910-20 (Triumph Engine Control Systems Llc), 108910-20 (Woodward, Inc. Div Fuel Systems and Controls), 108910-20 (Transupport Inc Dba Transupport Inc).
Key specifications for 108910-20: Overall Diameter: 0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: STEEL COMP 301 OR STEEL COMP 302 OVERALL. 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.