The Rail,hull, cataloged under National Stock Number 2040-01-129-6386, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Naval Air Warfare Center Weapons Div. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Rail,hull |
| FSC / FSG | 2040 — Marine Hardware and Hull Items (FSG 20) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Naval Air Warfare Center Weapons Div (CAGE 12934) |
| Parameter | Value |
|---|---|
| NSN | 2040-01-129-6386 |
| Primary Part Number | 4592577 ITEM 8 |
| Item Name | Rail,hull |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Naval Air Warfare Center Weapons Div |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 4592577-2 | Naval Sea Systems Command (USA) |
| 4592577 ITEM 8 PRIMARY | Naval Air Warfare Center Weapons Div (USA) |
NSN 2040-01-129-6386 is a Rail,hull, manufactured by Naval Air Warfare Center Weapons Div, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-129-6386 has 2 manufacturer part numbers on file: 4592577-2 (Naval Sea Systems Command), 4592577 ITEM 8 (Naval Air Warfare Center Weapons Div).
1 possible match (shared part number, not a government interchangeability claim): 2040-01-271-6639. Verify interchangeability with system specifications before substitution.
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.