NSN 2040-01-491-4328 · NIIN 014914328 · Part number 751-7066458-A2
Naval Sea Systems Command · FSC 2040 — Marine Hardware and Hull Items · FSG 20 — Ship and Marine Equipment · CAGE 53711
Government record, cited
NSN 2040-01-491-4328 — this item is cataloged by the U.S. Government under National Stock Number 2040-01-491-4328. Manufacturer of record part number: 751-7066458-A2.
Nearby stock numbers← 2040-01-491-4324 Hinge Assembly, Marine Structural
·
2040-01-491-4339 Hinge Assembly, Marine Structural →
Features
Hinge Assembly,marine Structural — FSC 2040
Body Largest Diameter: 12.060 INCHES NOMINAL IN
Material: STEEL
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command
Identification
NSN: 2040-01-491-4328
NIIN: 014914328
FSC: 2040 — Marine Hardware and Hull Items
FSG: 20 — Ship and Marine Equipment
Primary part number: 751-7066458-A2
Manufacturer: Naval Sea Systems Command
General Description
The Hinge Assembly,marine Structural, cataloged under National Stock Number 2040-01-491-4328, 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. Government technical data includes 2 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
2040-01-491-4328
Primary Part Number
751-7066458-A2
Item Name
Hinge Assembly,marine Structural
FSC / FSG
2040 / 20 — Marine Hardware and Hull Items
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Body Largest Diameter
12.060 INCHES NOMINAL IN
Material
STEEL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL D — Destroy Item
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2040-01-491-4339151-7066458-A11POSSIBLE MATCH
HINGE ASSEMBLY,MARINE STRUCTURAL
Possible match (shared part number)Naval Sea Systems Command
2040-01-491-4346151-7066458-A5POSSIBLE MATCH
HINGE ASSEMBLY,MARINE STRUCTURAL
Possible match (shared part number)Naval Sea Systems Command
2040-01-491-5023151-7066458-A8POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
Possible match (shared part number)Naval Sea Systems Command
2040-01-491-5081151-7066458-A9POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
Possible match (shared part number)Naval Sea Systems Command
2040-01-491-5505151-7066458-A12POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
Possible match (shared part number)Naval Sea Systems Command
2040-01-491-5531151-7066458-A10POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
Possible match (shared part number)Naval Sea Systems Command
2040-01-493-4090151-7066458-A4POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
Possible match (shared part number)Naval Sea Systems Command
C/1Advisory reference — outside the item-of-supply concept
Naval Sea Systems Command
Related Parts
2040-01-491-4339POSSIBLE MATCH
HINGE ASSEMBLY,MARINE STRUCTURAL
151-7066458-A11
2040-01-491-4346POSSIBLE MATCH
HINGE ASSEMBLY,MARINE STRUCTURAL
151-7066458-A5
2040-01-491-5023POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
151-7066458-A8
2040-01-491-5081POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
151-7066458-A9
2040-01-491-5505POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
151-7066458-A12
2040-01-491-5531POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
151-7066458-A10
2040-01-493-4090POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
151-7066458-A4
Frequently Asked Questions
What is NSN 2040-01-491-4328?
NSN 2040-01-491-4328 is a Hinge Assembly,marine Structural, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
What part numbers are listed for NSN 2040-01-491-4328?
NSN 2040-01-491-4328 has 1 manufacturer part number on file: 751-7066458-A2 (Naval Sea Systems Command).
What NSN replaces 2040-01-491-4328?
7 possible matches (shared part number, not a government interchangeability claim): 2040-01-491-4339, 2040-01-491-4346, 2040-01-491-5023. Verify interchangeability with system specifications before substitution.
What are the specifications of 751-7066458-A2?
Key specifications for 751-7066458-A2: Body Largest Diameter: 12.060 INCHES NOMINAL IN; End Item Identification: DIFFUSER,GAS(SEAWOLF CLASS SSN); Material: STEEL. 2 specifications are documented in the U.S. Government catalog.
Is NSN 2040-01-491-4328 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.
What is the DEMIL code for NSN 2040-01-491-4328?
NSN 2040-01-491-4328 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.