Seal Assembly, Shaft Log, Ship2040-01-421-2681

NSN 2040-01-421-2681 · NIIN 014212681 · Part number 7-172-0103-710

Simplex-Turmar Inc · FSC 2040 — Marine Hardware and Hull Items · FSG 20 — Ship and Marine Equipment · CAGE 0YSG7

Government record, cited

NSN 2040-01-421-2681 — this item is cataloged by the U.S. Government under National Stock Number 2040-01-421-2681. Manufacturer of record part number: 7-172-0103-710.

Also searched as 2040-01-421-2681 · 2040014212681 · NIIN 014212681 · 01-421-2681 · FSC 2040 Marine Hardware and Hull Items · CAGE 0YSG7 · 7-172-0103-710

Nearby stock numbers ← 2040-01-421-2175 Hook, Boat · 2040-01-421-3254 Material, Radar Absorbent →

Features

Seal Assembly,shaft Log,ship — FSC 2040
General Characteristics Item Description: SINSIDE DIAMETER-25.6IN;MATERIAL SST;OVERALL WIDTH-38.9IN IN
2 manufacturer part numbers on file
Manufacturer of record: Simplex-Turmar Inc

Identification

NSN: 2040-01-421-2681
NIIN: 014212681
FSC: 2040 — Marine Hardware and Hull Items
FSG: 20 — Ship and Marine Equipment
Primary part number: 7-172-0103-710
Manufacturer: Simplex-Turmar Inc

General Description

The Seal Assembly,shaft Log,ship, cataloged under National Stock Number 2040-01-421-2681, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Simplex-Turmar Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2040-01-421-2681
Primary Part Number	7-172-0103-710
Item Name	Seal Assembly,shaft Log,ship
FSC / FSG	2040 / 20 — Marine Hardware and Hull Items
Manufacturer	Simplex-Turmar Inc
Status	ACTIVE
General Characteristics Item Description	SINSIDE DIAMETER-25.6IN;MATERIAL SST;OVERALL WIDTH-38.9IN IN

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

Part Number	Manufacturer
7-172-0103-710 PRIMARY	Simplex-Turmar Inc (USA)
7-172-0103-710	Tkms Gmbh (DEU)

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 2040-01-421-2681?

NSN 2040-01-421-2681 is a Seal Assembly,shaft Log,ship, manufactured by Simplex-Turmar Inc, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.

What part numbers are listed for NSN 2040-01-421-2681?

NSN 2040-01-421-2681 has 2 manufacturer part numbers on file: 7-172-0103-710 (Simplex-Turmar Inc), 7-172-0103-710 (Tkms Gmbh).

What are the specifications of 7-172-0103-710?

Key specifications for 7-172-0103-710: General Characteristics Item Description: SINSIDE DIAMETER-25.6IN;MATERIAL SST;OVERALL WIDTH-38.9IN IN; End Item Identification: STERNTUBE,WING PROPELLER SHAFT. 1 specification is documented in the U.S. Government catalog.

Is NSN 2040-01-421-2681 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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