Connector, Thru-Hull2040-01-377-4958

NSN 2040-01-377-4958 · NIIN 013774958

FSC 2040 — Marine Hardware and Hull Items · FSG 20 — Ship and Marine Equipment

Government record, cited

Also searched as 2040-01-377-4958 · 2040013774958 · NIIN 013774958 · 01-377-4958 · FSC 2040 Marine Hardware and Hull Items · BUCKTE188PLB · TE-188-PLB · TE-188

Nearby stock numbers ← 2040-01-377-3861 Catch, Right, Outboard · 2040-01-377-5407 Flexor →

Features

Connector,thru-Hull — FSC 2040
Thread Length: 1.875 INCHES NOMINAL IN
Shape: STRAIGHT
Outside Diameter: 3.500 INCHES NOMINAL IN
Tailpiece Type: INTEGRAL
Screw Thread Diameter: 2.500 INCHES NOMINAL IN
Screw Thread Series Designator: NPT
Material: COPPER ALLOY

Identification

NSN: 2040-01-377-4958
NIIN: 013774958
FSC: 2040 — Marine Hardware and Hull Items
FSG: 20 — Ship and Marine Equipment

General Description

The Connector,thru-Hull, cataloged under National Stock Number 2040-01-377-4958, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2040-01-377-4958
Item Name	Connector,thru-Hull
FSC / FSG	2040 / 20 — Marine Hardware and Hull Items
Status	ACTIVE
Thread Length	1.875 INCHES NOMINAL IN
Shape	STRAIGHT
Outside Diameter	3.500 INCHES NOMINAL IN
Tailpiece Type	INTEGRAL
Screw Thread Diameter	2.500 INCHES NOMINAL IN
Screw Thread Series Designator	NPT
Material	COPPER ALLOY
Stem Type	THREADED

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

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
BUCKTE188PLB	3/9 Design control — primary reference Mcclean Brothers Inc
TE-188-PLB	5/9 Secondary reference Mcclean Brothers Inc
TE-188	5/9 Secondary reference Buck-Algonquin Marine Hardware Div of Algonquin Co Div of Dixon Valve and Coupling Co

No interchangeability data on file.

Other items in FSC 2040 — Marine Hardware and Hull Items

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

2040-00-003-6975

ROLLER,CHOCK

2040-00-004-4739

2040-00-004-4739 · Item name not on file

2040-00-007-1136

HOOK,BOAT

2040-00-008-4790

PLATE,RUDDER

2040-00-008-4792

KEEL COOLER

2040-00-008-9796

PIN,PUSHING KNEE ASSEMBLY

2040-00-008-9797

GRATING ASSEMBLY,FORWARD PORT

2040-00-008-9798

GRATING ASSEMBLY,FORWARD STARBOA

Frequently Asked Questions

What is NSN 2040-01-377-4958?

NSN 2040-01-377-4958 is a Connector,thru-Hull, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.

What are the specifications of 2040-01-377-4958?

Key specifications for 2040-01-377-4958: Thread Length: 1.875 INCHES NOMINAL IN; Shape: STRAIGHT; Outside Diameter: 3.500 INCHES NOMINAL IN; Tailpiece Type: INTEGRAL. 8 specifications are documented in the U.S. Government catalog.

Is NSN 2040-01-377-4958 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.

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