PartsTable TECHNICAL DATA SHEET

NSN 2040-01-581-1637Government record, cited

Fin, Stabilizer2040-01-581-1637

NSN 2040-01-581-1637 · NIIN 015811637 · Part number 7648452-1

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

Government record, cited

NSN 2040-01-581-1637 — this item is cataloged by the U.S. Government under National Stock Number 2040-01-581-1637. Manufacturer of record part number: 7648452-1.

Also searched as 2040-01-581-1637 · 2040015811637 · NIIN 015811637 · 01-581-1637 · FSC 2040 Marine Hardware and Hull Items · CAGE 53711 · 7648452-1

Nearby stock numbers ← 2040-01-581-0331 Cover, Boat · 2040-01-581-1705 Modification Kit, Marine Hardware →

Features

Fin,stabilizer — FSC 2040
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command

Identification

NSN: 2040-01-581-1637
NIIN: 015811637
FSC: 2040 — Marine Hardware and Hull Items
FSG: 20 — Ship and Marine Equipment
Primary part number: 7648452-1
Manufacturer: Naval Sea Systems Command

General Description

The Fin,stabilizer, cataloged under National Stock Number 2040-01-581-1637, 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2040-01-581-1637
Primary Part Number	7648452-1
Item Name	Fin,stabilizer
FSC / FSG	2040 / 20 — Marine Hardware and Hull Items
Manufacturer	Naval Sea Systems Command
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL Q — CCL Item — Commerce Control List
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
7648452-1 PRIMARY	Naval Sea Systems Command (USA)

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 2040-01-581-1637?

NSN 2040-01-581-1637 is a Fin,stabilizer, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.

What part numbers are listed for NSN 2040-01-581-1637?

NSN 2040-01-581-1637 has 1 manufacturer part number on file: 7648452-1 (Naval Sea Systems Command).

What are the specifications of 7648452-1?

Key specifications for 7648452-1: End Item Identification: HULL SUBSYSTEM, SDV MK8 MOD1. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2040-01-581-1637 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 2040-01-581-1637?

NSN 2040-01-581-1637 has DEMIL Code Q. 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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