PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

402171Sight,grenade Launcher

General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems · NSN 1010-01-654-5789 · FSC 1010 · No Item Name Available
Verified by PartsTable
NSN 1010-01-654-5789 — this item is cataloged by the U.S. Government under National Stock Number 1010-01-654-5789. Primary manufacturer part number: 402171.
Features
  • Sight,grenade Launcher — FSC 1010
  • 2 verified cross-references
  • Primary manufacturer: General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sight,grenade Launcher, cataloged under National Stock Number 1010-01-654-5789, is classified within Federal Supply Class 1010 (No Item Name Available) of the Weapons group. The primary manufacturer of record is General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSight,grenade Launcher
FSC / FSG1010 — No Item Name Available (FSG 10)
ManufacturersNioa Trading Nioa Nominees Pty Limited Div Nioa (CAGE Z2C27); General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (CAGE 05606)
Technical Specifications
ParameterValue
NSN1010-01-654-5789
Primary Part Number402171
Item NameSight,grenade Launcher
FSC / FSG1010 / 10 — No Item Name Available
ManufacturerGeneral Dynamics-Ots, Inc. Div Ordnance and Tactical Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6210-00-299-5807402-0171-100 INTERCHANGEABLE
Lens,light
Dialight Corporation
2520-00-481-2483 INTERCHANGEABLE
Clutch Assy
2915-00-674-8632402171 INTERCHANGEABLE
Cam Assembly,minimum Fuel
Woodward, Inc. Div Fuel Systems and Controls
4730-01-522-494340217-1 INTERCHANGEABLE
Adapter Assembly,valve
Morpac Industries, Inc Div Actuator
6920-01-546-392040217-1 INTERCHANGEABLE
Spinner
Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc
Cross-Reference Index
Part NumberManufacturer
402171 Nioa Trading Nioa Nominees Pty Limited Div Nioa (AUS)
402171 PRIMARY General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA)
Related Parts
6210-00-299-5807INTERCHANGEABLE
LENS,LIGHT
402-0171-100
2520-00-481-2483INTERCHANGEABLE
CLUTCH ASSY
2915-00-674-8632INTERCHANGEABLE
CAM ASSEMBLY,MINIMUM FUEL
402171
4730-01-522-4943INTERCHANGEABLE
ADAPTER ASSEMBLY,VALVE
40217-1
6920-01-546-3920INTERCHANGEABLE
SPINNER
40217-1

Frequently Asked Questions

What is NSN 1010-01-654-5789?

NSN 1010-01-654-5789 is a Sight,grenade Launcher, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 1010 (No Item Name Available). Status: active.

What are the part numbers for NSN 1010-01-654-5789?

NSN 1010-01-654-5789 has 2 cross-referenced part numbers: 402171 (Nioa Trading Nioa Nominees Pty Limited Div Nioa), 402171 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).

What NSN replaces 1010-01-654-5789?

There are 5 known substitutes for 1010-01-654-5789: 6210-00-299-5807, 2520-00-481-2483, 2915-00-674-8632 and 2 more. Verify interchangeability with system specifications before substitution.

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