PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A3-27Shaft,straight

Roller Bearing Co of America, Inc Div Pic Design · NSN 3040-00-842-2744 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-842-2744 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-842-2744. Primary manufacturer part number: A3-27.
Features
  • Shaft,straight — FSC 3040
  • First End Style: PLAIN
  • Material: STEEL COMP 303
  • Surface Finish: 10.0 MICROINCHES
  • First End Diameter: 0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN
  • End Similarity: IDENTICAL
  • 1 verified cross-reference
  • Primary manufacturer: Roller Bearing Co of America, Inc Div Pic Design
Applications
  • Applications requiring Steel Comp 303 construction
General Description

The Shaft,straight, cataloged under National Stock Number 3040-00-842-2744, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3040-00-842-2744
Primary Part NumberA3-27
Item NameShaft,straight
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusCANCELLED
First End StylePLAIN
MaterialSTEEL COMP 303
Surface Finish10.0 MICROINCHES
First End Diameter0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN
End SimilarityIDENTICAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
6110-00-129-8709A327 INTERCHANGEABLE
Panel,power Distribution
Lockheed Martin Corp
5999-00-301-4855 INTERCHANGEABLE
Contact,electrical
5915-00-725-652244267-1 INTERCHANGEABLE
Filter,band Pass
Thales Usa, Inc. Div Air Mobility Solutions ("ams")
3455-00-808-4292 INTERCHANGEABLE
Cutter,milling,end
4730-00-949-8694SAE J513 6-6 010101B INTERCHANGEABLE
Nipple,tube
Sae International Dba Sae International
4210-00-963-396111167001 INTERCHANGEABLE
Reducer,hose,fire Fighting
Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company
3040-01-121-671876A113011-2051 INTERCHANGEABLE
Shaft,shouldered
The Boeing Company Div Defense
5970-01-355-5577A327 INTERCHANGEABLE
Insulator,washer
Seastrom Manufacturing Co Inc
5310-01-406-9177A327 INTERCHANGEABLE
Washer,flat
John G Papailias Co Inc Dba J G Papailias
Cross-Reference Index
Part NumberManufacturer
A3-27 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
Related Parts
6110-00-129-8709INTERCHANGEABLE
PANEL,POWER DISTRIBUTION
A327
5999-00-301-4855INTERCHANGEABLE
CONTACT,ELECTRICAL
5915-00-725-6522INTERCHANGEABLE
FILTER,BAND PASS
44267-1
3455-00-808-4292INTERCHANGEABLE
CUTTER,MILLING,END
4730-00-949-8694INTERCHANGEABLE
NIPPLE,TUBE
SAE J513 6-6 010101B
4210-00-963-3961INTERCHANGEABLE
REDUCER,HOSE,FIRE FIGHTING
11167001
3040-01-121-6718INTERCHANGEABLE
SHAFT,SHOULDERED
76A113011-2051
5970-01-355-5577INTERCHANGEABLE
INSULATOR,WASHER
A327
5310-01-406-9177INTERCHANGEABLE
WASHER,FLAT
A327

Frequently Asked Questions

What is NSN 3040-00-842-2744?

NSN 3040-00-842-2744 is a Shaft,straight, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3040 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3040-00-842-2744?

NSN 3040-00-842-2744 has 1 cross-referenced part number: A3-27 (Roller Bearing Co of America, Inc Div Pic Design).

What NSN replaces 3040-00-842-2744?

There are 9 known substitutes for 3040-00-842-2744: 6110-00-129-8709, 5999-00-301-4855, 5915-00-725-6522 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A3-27?

Key specifications for A3-27: First End Style: PLAIN; Material: STEEL COMP 303; Surface Finish: 10.0 MICROINCHES; Overall Length: 2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3040-00-842-2744 still in active supply?

NSN 3040-00-842-2744 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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