PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-C-186954Shaft,shouldered

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 3040-00-327-5143 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-327-5143 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-327-5143. Primary manufacturer part number: SM-C-186954.
Features
  • Shaft,shouldered — FSC 3040
  • Second End Flat Length: 0.375 INCHES NOMINAL IN
  • Step Quantity: 7
  • First End Diameter: 0.2492 INCHES NOMINAL IN
  • Second End Style: FLATTED
  • First End Style: PLAIN
  • Surface Finish: 125.0 MICROINCHES
  • Second End Diameter: 0.3276 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-00-327-5143, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN3040-00-327-5143
Primary Part NumberSM-C-186954
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Second End Flat Length0.375 INCHES NOMINAL IN
Step Quantity7
First End Diameter0.2492 INCHES NOMINAL IN
Second End StyleFLATTED
First End StylePLAIN
Surface Finish125.0 MICROINCHES
Second End Diameter0.3276 INCHES NOMINAL IN
Second End Flat Depth0.0286 INCHES NOMINAL IN
MaterialSTEEL
End SimilarityNOT IDENTICAL
Largest Step Diameter0.374 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-050-0148 INTERCHANGEABLE
Seal,plain Encased
1005-00-630-385211588 INTERCHANGEABLE
Nut,adjusting
Nobles Worldwide, Inc.
5331-00-641-8286509 INTERCHANGEABLE
O-Ring
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
2520-00-679-73221752307 INTERCHANGEABLE
Parts Kit,universal Joint
Chrysler Realty Company Llc Dba Daimler Chrysler
5136-00-729-569254727 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
6130-00-857-911611588 INTERCHANGEABLE
Power Supply
Sure Power, Inc
2520-00-862-709020057 INTERCHANGEABLE
Parts Kit,universal Joint
Trw Inc Trw Intl Trade Government Sales Dept
4920-01-036-3805 INTERCHANGEABLE
Shaft,pinion
5962-01-067-9523MM54C00J/883 INTERCHANGEABLE
Microcircuit,digital
Teledyne Defense Electronics, Llc Dba Teledyne E2v Hirel Electronics
5930-01-133-3694 INTERCHANGEABLE
Switch,rotary
Cross-Reference Index
Part NumberManufacturer
SM-C-186954 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
54727 Kleinschmidt Inc (USA)
11588 Freund Precision Inc (USA)
577LX Burke Products Inc (USA)
SM-C-186954 J F C Electronics Inc (USA)
Related Parts
5330-00-050-0148INTERCHANGEABLE
SEAL,PLAIN ENCASED
1005-00-630-3852INTERCHANGEABLE
NUT,ADJUSTING
11588
5331-00-641-8286INTERCHANGEABLE
O-RING
509
2520-00-679-7322INTERCHANGEABLE
PARTS KIT,UNIVERSAL JOINT
1752307
5136-00-729-5692INTERCHANGEABLE
TAP,THREAD CUTTING
54727
6130-00-857-9116INTERCHANGEABLE
POWER SUPPLY
11588
2520-00-862-7090INTERCHANGEABLE
PARTS KIT,UNIVERSAL JOINT
20057
4920-01-036-3805INTERCHANGEABLE
SHAFT,PINION
5962-01-067-9523INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
MM54C00J/883
5930-01-133-3694INTERCHANGEABLE
SWITCH,ROTARY
4730-01-297-9156INTERCHANGEABLE
NIPPLE
54-727
5310-01-333-2817INTERCHANGEABLE
WASHER,SEAL
11588

Frequently Asked Questions

What is NSN 3040-00-327-5143?

NSN 3040-00-327-5143 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 3040-00-327-5143?

NSN 3040-00-327-5143 has 5 cross-referenced part numbers: SM-C-186954 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 54727 (Kleinschmidt Inc), 11588 (Freund Precision Inc), 577LX (Burke Products Inc), SM-C-186954 (J F C Electronics Inc).

What NSN replaces 3040-00-327-5143?

There are 12 known substitutes for 3040-00-327-5143: 5330-00-050-0148, 1005-00-630-3852, 5331-00-641-8286 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-C-186954?

Key specifications for SM-C-186954: Second End Flat Length: 0.375 INCHES NOMINAL IN; Step Quantity: 7; First End Diameter: 0.2492 INCHES NOMINAL IN; Second End Style: FLATTED. 12 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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