PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3442Breech Lock Selection Tool

General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems · NSN 5210-01-541-3656 · FSC 5210 · No Item Name Available
Verified by PartsTable
NSN 5210-01-541-3656 — this item is cataloged by the U.S. Government under National Stock Number 5210-01-541-3656. Primary manufacturer part number: 3442.
Features
  • Breech Lock Selection Tool — FSC 5210
  • 3 verified cross-references
  • Primary manufacturer: General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems
Applications
  • Quality assurance and inspection
  • Precision measurement and calibration
  • Laboratory and test equipment
General Description

The Breech Lock Selection Tool, cataloged under National Stock Number 5210-01-541-3656, is classified within Federal Supply Class 5210 (No Item Name Available) of the Measuring Tools group. The primary manufacturer of record is General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5210-01-541-3656
Primary Part Number3442
Item NameBreech Lock Selection Tool
FSC / FSG5210 / 52 — No Item Name Available
ManufacturerGeneral Dynamics-Ots, Inc. Div Ordnance and Tactical Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-112-6306120422 INTERCHANGEABLE
Roller,bearing
Regal Beloit America, Inc. Dba Rollway Bearing
6515-00-148-7205 INTERCHANGEABLE
Crutch
5310-00-394-31183442 INTERCHANGEABLE
Washer,key
Industrial Technologies and Services Llc
5930-00-813-5804684-472-9001 INTERCHANGEABLE
Switch,rotary
Honeywell International Inc. Div Aerospace - Torrance
1660-00-819-50783442 INTERCHANGEABLE
Vlave,check
Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
2530-00-868-76585464561 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
General Motors Llc Dba General Motors Llc
5305-01-025-69533442 INTERCHANGEABLE
Screw,machine
Kearflex Engineering Company
6210-01-149-4168 INTERCHANGEABLE
Fixture,lighting
6685-01-202-13103460-30-3 INTERCHANGEABLE
Probe,humidity-Temperature
King Nutronics Corporation Dba King Nutronics
6515-01-322-20303442 INTERCHANGEABLE
Blade,arthroscopic,surgical
Dyonics Inc Sub of William H Rorer Inc
Cross-Reference Index
Part NumberManufacturer
3442 PRIMARY General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA)
3442 General Dynamics - Ots, Inc. (USA)
13027998 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
Related Parts
3110-00-112-6306INTERCHANGEABLE
ROLLER,BEARING
120422
6515-00-148-7205INTERCHANGEABLE
CRUTCH
5310-00-394-3118INTERCHANGEABLE
WASHER,KEY
3442
5930-00-813-5804INTERCHANGEABLE
SWITCH,ROTARY
684-472-9001
1660-00-819-5078INTERCHANGEABLE
VLAVE,CHECK
3442
2530-00-868-7658INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
5464561
5305-01-025-6953INTERCHANGEABLE
SCREW,MACHINE
3442
6210-01-149-4168INTERCHANGEABLE
FIXTURE,LIGHTING
6685-01-202-1310INTERCHANGEABLE
PROBE,HUMIDITY-TEMPERATURE
3460-30-3
6515-01-322-2030INTERCHANGEABLE
BLADE,ARTHROSCOPIC,SURGICAL
3442
4330-01-363-9818INTERCHANGEABLE
FILTER ELEMENT,FLUID
S3202
5975-01-432-4122INTERCHANGEABLE
ELBOW,ELECTRICAL CONDUIT
3442

Frequently Asked Questions

What is NSN 5210-01-541-3656?

NSN 5210-01-541-3656 is a Breech Lock Selection Tool, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 5210 (No Item Name Available). Status: active.

What are the part numbers for NSN 5210-01-541-3656?

NSN 5210-01-541-3656 has 3 cross-referenced part numbers: 3442 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems), 3442 (General Dynamics - Ots, Inc.), 13027998 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).

What NSN replaces 5210-01-541-3656?

There are 12 known substitutes for 5210-01-541-3656: 3110-00-112-6306, 6515-00-148-7205, 5310-00-394-3118 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3442?

Key specifications for 3442: Part Name Assigned by Controlling Agency: GAGE BLOCK SET; End Item Identification: 5210-01-541-3656. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com