PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-B-187080Shaft,shouldered

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 3040-00-340-3724 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-340-3724 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-340-3724. Primary manufacturer part number: SM-B-187080.
Features
  • Shaft,shouldered — FSC 3040
  • Second End Style: PLAIN
  • First End Diameter: 0.2500 INCHES NOMINAL IN
  • Second End Diameter: 0.3750 INCHES NOMINAL IN
  • FSC Application Data: TELETYPE AND FACSIMILE EQUIPMENT
  • First End Style: PLAIN
  • End Similarity: NOT IDENTICAL
  • Material: STEEL
Applications
  • Applications requiring Steel construction
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-00-340-3724, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN3040-00-340-3724
Primary Part NumberSM-B-187080
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Second End StylePLAIN
First End Diameter0.2500 INCHES NOMINAL IN
Second End Diameter0.3750 INCHES NOMINAL IN
FSC Application DataTELETYPE AND FACSIMILE EQUIPMENT
First End StylePLAIN
End SimilarityNOT IDENTICAL
MaterialSTEEL
Step Quantity3
Largest Step Diameter0.434 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3120-00-088-2922GB14B6 INTERCHANGEABLE
Bearing,plain,self-Aligning
U S Bearings
3120-00-113-06125198502 INTERCHANGEABLE
Bushing,sleeve
Rolls-Royce Solutions America Inc
5342-00-200-7609 INTERCHANGEABLE
Mount,resilient,weapon System
6680-00-243-9980104A WITH 104AZZ INTERCHANGEABLE
Counter,rotating
L.s. Starrett Company (the) Div Tool Division
2805-00-429-02311706 INTERCHANGEABLE
Shaft
Brinkley Technology Group Llc Dba Hercules Manufacturing
6625-00-781-578210380 INTERCHANGEABLE
Voltmeter
Simpson Electric Company, Inc.
6115-00-940-017510380 INTERCHANGEABLE
Converter,control
Creating Technology Solutions, Llc Dba Technology Research Corp Div Technology Research Corp
5330-01-144-1770 INTERCHANGEABLE
Seal
2540-01-191-854914072475 INTERCHANGEABLE
Top Assembly,truck Body,detachab
John Johnson Company
2530-01-268-0274 INTERCHANGEABLE
Caliper,disc Brake
Cross-Reference Index
Part NumberManufacturer
10380 Freund Precision Inc (USA)
SM-B-187080 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
55173 Kleinschmidt Inc (USA)
445LX Burke Products Inc (USA)
Related Parts
3120-00-088-2922INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
GB14B6
3120-00-113-0612INTERCHANGEABLE
BUSHING,SLEEVE
5198502
5342-00-200-7609INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
6680-00-243-9980INTERCHANGEABLE
COUNTER,ROTATING
104A WITH 104AZZ
2805-00-429-0231INTERCHANGEABLE
SHAFT
1706
6625-00-781-5782INTERCHANGEABLE
VOLTMETER
10380
6115-00-940-0175INTERCHANGEABLE
CONVERTER,CONTROL
10380
5330-01-144-1770INTERCHANGEABLE
SEAL
2540-01-191-8549INTERCHANGEABLE
TOP ASSEMBLY,TRUCK BODY,DETACHAB
14072475
2530-01-268-0274INTERCHANGEABLE
CALIPER,DISC BRAKE
5365-01-296-2643INTERCHANGEABLE
PLUG,MACHINE THREAD
10399
5330-01-429-8435INTERCHANGEABLE
SEAL,PLAIN

Frequently Asked Questions

What is NSN 3040-00-340-3724?

NSN 3040-00-340-3724 is a Shaft,shouldered, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-340-3724?

NSN 3040-00-340-3724 has 4 cross-referenced part numbers: 10380 (Freund Precision Inc), SM-B-187080 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 55173 (Kleinschmidt Inc), 445LX (Burke Products Inc).

What NSN replaces 3040-00-340-3724?

There are 12 known substitutes for 3040-00-340-3724: 3120-00-088-2922, 3120-00-113-0612, 5342-00-200-7609 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-B-187080?

Key specifications for SM-B-187080: Second End Style: PLAIN; First End Diameter: 0.2500 INCHES NOMINAL IN; Second End Diameter: 0.3750 INCHES NOMINAL IN; FSC Application Data: TELETYPE AND FACSIMILE EQUIPMENT. 10 total characteristics are documented in the Federal Logistics Information System.

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