PartsTable TECHNICAL DATA SHEET

NSN 2040-01-491-4750Government record, cited

Dog, Door, Marine2040-01-491-4750

NSN 2040-01-491-4750 · NIIN 014914750 · Part number 123-4498184 PART 15

Naval Sea Systems Command · FSC 2040 — Marine Hardware and Hull Items · FSG 20 — Ship and Marine Equipment · CAGE 53711

Government record, cited

NSN 2040-01-491-4750 — this item is cataloged by the U.S. Government under National Stock Number 2040-01-491-4750. Manufacturer of record part number: 123-4498184 PART 15.

Also searched as 2040-01-491-4750 · 2040014914750 · NIIN 014914750 · 01-491-4750 · FSC 2040 Marine Hardware and Hull Items · CAGE 53711 · 123-4498184 PART 15 · 123-4498184 · 122-4493900

Nearby stock numbers ← 2040-01-491-4668 Stock, Rudder · 2040-01-491-4776 Dog, Door, Marine →

Features

Dog,door,marine — FSC 2040
Design Type: SWIVEL
Material: STEEL
Operation Method: MANUAL
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command

Identification

NSN: 2040-01-491-4750
NIIN: 014914750
FSC: 2040 — Marine Hardware and Hull Items
FSG: 20 — Ship and Marine Equipment
Primary part number: 123-4498184 PART 15
Manufacturer: Naval Sea Systems Command

General Description

The Dog,door,marine, cataloged under National Stock Number 2040-01-491-4750, 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 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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	2040-01-491-4750
Primary Part Number	123-4498184 PART 15
Item Name	Dog,door,marine
FSC / FSG	2040 / 20 — Marine Hardware and Hull Items
Manufacturer	Naval Sea Systems Command
Status	ACTIVE
Design Type	SWIVEL
Material	STEEL
Operation Method	MANUAL

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 Items 6

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

2040-01-491-4776123-4498184 PART 59 POSSIBLE MATCH

DOG,DOOR,MARINE

Possible match (shared part number)Naval Sea Systems Command

2040-01-491-4782JE8184-71 POSSIBLE MATCH

DOG,DOOR,MARINE

Possible match (shared part number)Juniper Elbow Co. Inc. Dba Juniper Elbow Co Inc

2040-01-491-4946123-4498184 PART 16 POSSIBLE MATCH

DOG SLEEVE

Possible match (shared part number)Naval Sea Systems Command

2040-01-491-4949123-4498184 PART 60 POSSIBLE MATCH

DOG SLEEVE

Possible match (shared part number)Naval Sea Systems Command

2040-01-491-4969123-4498184 PART 72 POSSIBLE MATCH

DOG SLEEVE

Possible match (shared part number)Naval Sea Systems Command

2040-01-491-5017122-4493900 PART 13 POSSIBLE MATCH

PLUNGER,PACKING

Possible match (shared part number)Naval Sea Systems Command

Cross-Reference Index

Part Number	Manufacturer
123-4498184 PART 15 PRIMARY	Naval Sea Systems Command (USA)

Reference documents

Reference	Meaning
123-4498184	D/9 Drawing number reference only Naval Sea Systems Command
122-4493900	D/9 Drawing number reference only Naval Sea Systems Command

Related Parts

2040-01-491-4776POSSIBLE MATCH

DOG,DOOR,MARINE

123-4498184 PART 59

2040-01-491-4782POSSIBLE MATCH

DOG,DOOR,MARINE

JE8184-71

2040-01-491-4946POSSIBLE MATCH

DOG SLEEVE

123-4498184 PART 16

2040-01-491-4949POSSIBLE MATCH

DOG SLEEVE

123-4498184 PART 60

2040-01-491-4969POSSIBLE MATCH

DOG SLEEVE

123-4498184 PART 72

2040-01-491-5017POSSIBLE MATCH

PLUNGER,PACKING

122-4493900 PART 13

Frequently Asked Questions

What is NSN 2040-01-491-4750?

NSN 2040-01-491-4750 is a Dog,door,marine, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.

What part numbers are listed for NSN 2040-01-491-4750?

NSN 2040-01-491-4750 has 1 manufacturer part number on file: 123-4498184 PART 15 (Naval Sea Systems Command).

What NSN replaces 2040-01-491-4750?

6 possible matches (shared part number, not a government interchangeability claim): 2040-01-491-4776, 2040-01-491-4782, 2040-01-491-4946. Verify interchangeability with system specifications before substitution.

What are the specifications of 123-4498184 PART 15?

Key specifications for 123-4498184 PART 15: Design Type: SWIVEL; Special Features: MATERIAL CL304 FED SPEC QQ-S-763; SHANK LENGTH IS 6.750 IN; SHANK DIA IS 1.125 IN. IN; End Item Identification: AIRCRAFT CARRIER CVAN 68 NON-BALLISTIC DOUBLE DOORS; Material: STEEL. 3 specifications are documented in the U.S. Government catalog.

Is NSN 2040-01-491-4750 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 2040-01-491-4750?

NSN 2040-01-491-4750 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.

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