The Washer,lock, cataloged under National Stock Number 5310-01-154-0495, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-154-0495 |
| Primary Part Number | 14A5-C-101 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 0.873 INCHES MAXIMUM IN |
| Material Thickness | 0.125 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.500 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 |
|---|---|
| 14A5-C-101 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| 14A5C101 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 14A5-C-101 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5310-01-154-0495 is a Washer,lock, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-154-0495 has 1 manufacturer part number on file: 14A5-C-101 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for 14A5-C-101: Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.873 INCHES MAXIMUM IN; Material Thickness: 0.125 INCHES NOMINAL IN; Material: STEEL OVERALL. 5 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.