NSN 2040-01-503-1781 · NIIN 015031781 · Part number 596-7410249-A1
Naval Sea Systems Command · FSC 2040 — Marine Hardware and Hull Items · FSG 20 — Ship and Marine Equipment · CAGE 53711
Government record, cited
NSN 2040-01-503-1781 — this item is cataloged by the U.S. Government under National Stock Number 2040-01-503-1781. Manufacturer of record part number: 596-7410249-A1.
Also searched as2040-01-503-1781 ·
2040015031781 ·
NIIN 015031781 ·
01-503-1781 ·
FSC 2040 Marine Hardware and Hull Items · CAGE 53711 · 596-7410249-A1 · 596-7410249 · B831-9511 · B831-9511-A1
The Bridging,track Assy, cataloged under National Stock Number 2040-01-503-1781, 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 Sea Systems Command. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2040-01-503-1781
Primary Part Number
596-7410249-A1
Item Name
Bridging,track Assy
FSC / FSG
2040 / 20 — Marine Hardware and Hull Items
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2040-01-503-1793B831-9511-A3POSSIBLE MATCH
BRIDGING,TRACK ASSY
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
5340-01-503-3365596-7410249-85POSSIBLE MATCH
BUMPER
Possible match (shared part number)Naval Sea Systems Command
5340-01-504-6463B831-9511-131POSSIBLE MATCH
PAD,CUSHIONING
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
3040-01-504-8342596-7410249-61POSSIBLE MATCH
WORM SHAFT
Possible match (shared part number)Naval Sea Systems Command
NSN 2040-01-503-1781 is a Bridging,track Assy, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
What part numbers are listed for NSN 2040-01-503-1781?
NSN 2040-01-503-1781 has 1 manufacturer part number on file: 596-7410249-A1 (Naval Sea Systems Command).
What NSN replaces 2040-01-503-1781?
4 possible matches (shared part number, not a government interchangeability claim): 2040-01-503-1793, 5340-01-503-3365, 5340-01-504-6463. Verify interchangeability with system specifications before substitution.
What are the specifications of 596-7410249-A1?
Key specifications for 596-7410249-A1: Special Features: CARGO BAY 3RD PLATFORM BRIDGING TRACK; End Item Identification: WEAPON SYSTEM:SEAWOLF CLASS SSN. 0 specifications are documented in the U.S. Government catalog.
Is NSN 2040-01-503-1781 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.