The Washer,flat, cataloged under National Stock Number 5310-00-003-4047, 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 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-003-4047 |
| Primary Part Number | Y100D246CX1-414HT |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Overall Diameter | 1.875 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-286,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | NICKEL ALLOY A OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.016 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN |
| Thickness | 0.188 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 |
|---|---|
| Y248051 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Y100D246CX1-414HT PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| Y100D246CX1-414HT | 5/9 Secondary reference Ingersoll Rand Co |
| Y100D246CX1-414HT | 3/9 Design control — primary reference U.S. Government activity |
| Y248051 | 5/9 Secondary reference U.S. Government activity |
| Y248051 | 5/9 Secondary reference Ingersoll Rand Co |
NSN 5310-00-003-4047 is a Washer,flat, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-003-4047 has 2 manufacturer part numbers on file: Y248051 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), Y100D246CX1-414HT (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for Y100D246CX1-414HT: Overall Diameter: 1.875 INCHES NOMINAL IN; Material Document and Classification: QQ-N-286,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; 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.