PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1-11Shaft,straight

Roller Bearing Co of America, Inc Div Pic Design · NSN 3040-00-115-4129 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-115-4129 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-115-4129. Primary manufacturer part number: A1-11.
Features
  • Shaft,straight — FSC 3040
  • First End Diameter: 0.1245 INCHES MINIMUM AND 0.1247 INCHES MAXIMUM IN
  • End Similarity: IDENTICAL
  • Surface Finish: 10.0 MICROINCHES
  • First End Style: PLAIN
  • Material: STEEL COMP 303
  • 4 verified cross-references
  • 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 3040-00-115-4129, 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 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
NSN3040-00-115-4129
Primary Part NumberA1-11
Item NameShaft,straight
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusACTIVE
First End Diameter0.1245 INCHES MINIMUM AND 0.1247 INCHES MAXIMUM IN
End SimilarityIDENTICAL
Surface Finish10.0 MICROINCHES
First End StylePLAIN
MaterialSTEEL COMP 303
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-011-70510911043-8 INTERCHANGEABLE
Nut,plain,hexagon
Agco Corp Parts Opn
5331-00-069-9129A111 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
6250-00-090-1370 INTERCHANGEABLE
Lampholder
5960-00-128-3818G1330 INTERCHANGEABLE
Shield,electron Tube
Deltrol Corp Deltrol Controls Div
5935-00-238-0869 INTERCHANGEABLE
Socket,plug-in Electronic Compon
9390-00-247-7278S212 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
Northrop Grumman Systems Corporation
2990-00-399-1930S2-12 INTERCHANGEABLE
Governor,tachometer
Schulze Mfg., Inc.
6140-00-434-5883 INTERCHANGEABLE
Battery,storage
5998-00-458-14436723-00525 INTERCHANGEABLE
Circuit Card Assembly
Bae Systems (operations) Limited
5360-00-476-2890C4W1659-1 INTERCHANGEABLE
Spring,helical,extension
De Havilland Aircraft of Canada Limited
Cross-Reference Index
Part NumberManufacturer
7438945-8 Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA)
A1-11 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
SS2 PRIMARY Secs Inc (USA)
S2-12 W. M. Berg, Inc. (USA)
Related Parts
5310-00-011-7051INTERCHANGEABLE
NUT,PLAIN,HEXAGON
0911043-8
5331-00-069-9129INTERCHANGEABLE
O-RING
A111
6250-00-090-1370INTERCHANGEABLE
LAMPHOLDER
5960-00-128-3818INTERCHANGEABLE
SHIELD,ELECTRON TUBE
G1330
5935-00-238-0869INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
9390-00-247-7278INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
S212
2990-00-399-1930INTERCHANGEABLE
GOVERNOR,TACHOMETER
S2-12
6140-00-434-5883INTERCHANGEABLE
BATTERY,STORAGE
5998-00-458-1443INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
6723-00525
5360-00-476-2890INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
C4W1659-1
5975-00-589-0171INTERCHANGEABLE
COVER,CONDUIT OUTLET
5305-00-699-9574INTERCHANGEABLE
SCREW,SHOULDER
8526306

Frequently Asked Questions

What is NSN 3040-00-115-4129?

NSN 3040-00-115-4129 is a Shaft,straight, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-115-4129?

NSN 3040-00-115-4129 has 4 cross-referenced part numbers: 7438945-8 (Lockheed Martin Corp Naval Electronics & Surveillance Systems), A1-11 (Roller Bearing Co of America, Inc Div Pic Design), SS2 (Secs Inc), S2-12 (W. M. Berg, Inc.).

What NSN replaces 3040-00-115-4129?

There are 12 known substitutes for 3040-00-115-4129: 5310-00-011-7051, 5331-00-069-9129, 6250-00-090-1370 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A1-11?

Key specifications for A1-11: Overall Length: 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN; First End Diameter: 0.1245 INCHES MINIMUM AND 0.1247 INCHES MAXIMUM IN; End Similarity: IDENTICAL; Surface Finish: 10.0 MICROINCHES. 6 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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