The Shim, cataloged under National Stock Number 5365-01-129-8996, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Shim |
| FSC / FSG | 5365 — Bushings, Rings, Shims, and Spacers (FSG 53) |
| Manufacturers | Curtiss-Wright Electro-Mechanical Corporation Div Epd (CAGE 0UBG9) |
| Parameter | Value |
|---|---|
| NSN | 5365-01-129-8996 |
| Primary Part Number | Y-178D257BX1-249 |
| Item Name | Shim |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| W-247503 PIECE 257A | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Y-178D257BX1-249 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| Y-178D257BX1-249 | 5/9 Secondary reference Ingersoll Rand Co |
| W-247503 PIECE 257A | 5/9 Secondary reference Ingersoll Rand Co |
| Y-178D257BX1-249 | 3/9 Design control — primary reference U.S. Government activity |
| W-247503 PIECE 257A | 5/9 Secondary reference U.S. Government activity |
NSN 5365-01-129-8996 is a Shim, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-129-8996 has 2 manufacturer part numbers on file: W-247503 PIECE 257A (Curtiss-Wright Electro-Mechanical Corporation Div Epd), Y-178D257BX1-249 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
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.