PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40671Gear Train Assy,pit

Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems · NSN 6610-00-751-7891 · FSC 6610 · No Item Name Available
Verified by PartsTable
NSN 6610-00-751-7891 — this item is cataloged by the U.S. Government under National Stock Number 6610-00-751-7891. Primary manufacturer part number: 40671.
Features
  • Gear Train Assy,pit — FSC 6610
  • 1 verified cross-reference
  • Primary manufacturer: Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear Train Assy,pit, cataloged under National Stock Number 6610-00-751-7891, is classified within Federal Supply Class 6610 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGear Train Assy,pit
FSC / FSG6610 — No Item Name Available (FSG 66)
ManufacturersUndersea Sensor Systems Inc Div Ultra Sonobuoy Systems (CAGE 50027)
Technical Specifications
ParameterValue
NSN6610-00-751-7891
Primary Part Number40671
Item NameGear Train Assy,pit
FSC / FSG6610 / 66 — No Item Name Available
ManufacturerUndersea Sensor Systems Inc Div Ultra Sonobuoy Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5935-00-910-49874067-1 INTERCHANGEABLE
Adapter,connector
Microwave Devices Inc
5342-01-249-6353 INTERCHANGEABLE
Mount,resilient,weapon System
6515-01-260-49754067-1 INTERCHANGEABLE
Sampling Kit,arterial Blood Gas
Smiths Medical Asd Inc Dba Smiths Medical Asd, Inc
5306-01-360-17076V-5215 INTERCHANGEABLE
Bolt,machine
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
40671 PRIMARY Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA)
Related Parts
5935-00-910-4987INTERCHANGEABLE
ADAPTER,CONNECTOR
4067-1
5342-01-249-6353INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
6515-01-260-4975INTERCHANGEABLE
SAMPLING KIT,ARTERIAL BLOOD GAS
4067-1
5306-01-360-1707INTERCHANGEABLE
BOLT,MACHINE
6V-5215

Frequently Asked Questions

What is NSN 6610-00-751-7891?

NSN 6610-00-751-7891 is a Gear Train Assy,pit, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 6610 (No Item Name Available). Status: active.

What are the part numbers for NSN 6610-00-751-7891?

NSN 6610-00-751-7891 has 1 cross-referenced part number: 40671 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).

What NSN replaces 6610-00-751-7891?

There are 4 known substitutes for 6610-00-751-7891: 5935-00-910-4987, 5342-01-249-6353, 6515-01-260-4975 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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