PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1-128Shaft,straight

Roller Bearing Co of America, Inc Div Pic Design · NSN 3040-00-481-2659 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-481-2659 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-481-2659. Primary manufacturer part number: A1-128.
Features
  • Shaft,straight — FSC 3040
  • First End Style: PLAIN
  • End Similarity: IDENTICAL
  • First End Diameter: 0.1245 INCHES MINIMUM AND 0.1247 INCHES MAXIMUM IN
  • Surface Finish: 10.0 MICROINCHES
  • Material: STEEL COMP 303
  • 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 3040-00-481-2659, 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-481-2659
Primary Part NumberA1-128
Item NameShaft,straight
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusACTIVE
First End StylePLAIN
End SimilarityIDENTICAL
First End Diameter0.1245 INCHES MINIMUM AND 0.1247 INCHES MAXIMUM IN
Surface Finish10.0 MICROINCHES
MaterialSTEEL COMP 303
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
8455-00-246-3512 INTERCHANGEABLE
Insignia,shoulder Sleeve
4730-00-277-5683 INTERCHANGEABLE
Elbow,pipe
4730-00-278-44973B6772 INTERCHANGEABLE
Elbow,pipe
Caterpillar Inc Div Caterpillar Defense
5915-00-678-48007336072G001 INTERCHANGEABLE
Network,impedance Matching
Lockheed Martin Corporation Div Rms
8455-01-528-8807 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-664-0902 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-714-3381 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
A1-128 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
Related Parts
8455-00-246-3512INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
4730-00-277-5683INTERCHANGEABLE
ELBOW,PIPE
4730-00-278-4497INTERCHANGEABLE
ELBOW,PIPE
3B6772
5915-00-678-4800INTERCHANGEABLE
NETWORK,IMPEDANCE MATCHING
7336072G001
8455-01-528-8807INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-664-0902INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-714-3381INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 3040-00-481-2659?

NSN 3040-00-481-2659 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 3040-00-481-2659?

NSN 3040-00-481-2659 has 1 cross-referenced part number: A1-128 (Roller Bearing Co of America, Inc Div Pic Design).

What NSN replaces 3040-00-481-2659?

There are 7 known substitutes for 3040-00-481-2659: 8455-00-246-3512, 4730-00-277-5683, 4730-00-278-4497 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A1-128?

Key specifications for A1-128: Overall Length: 12.860 INCHES MINIMUM AND 12.880 INCHES MAXIMUM IN; First End Style: PLAIN; End Similarity: IDENTICAL; First End Diameter: 0.1245 INCHES MINIMUM AND 0.1247 INCHES MAXIMUM IN. 6 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