PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12291-34Shaft,shouldered

B.w. Elliott Manufacturing Co., Llc · NSN 3040-01-485-9905 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-485-9905 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-485-9905. Primary manufacturer part number: 12291-34.
Features
  • Shaft,shouldered — FSC 3040
  • End Similarity: NOT IDENTICAL
  • Step Quantity: 3
  • Second End Keyway Depth: 0.1875 INCHES NOMINAL IN
  • First End Diameter: 0.6210 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN
  • External Keyway Length: 0.6250 INCHES NOMINAL SECOND END IN
  • Second End Keyway Width: 0.1875 INCHES NOMINAL IN
  • Material Document and Classification: AISI 303 ASSN STD SINGLE MATERIAL RESPONSE
Applications
  • Applications requiring Steel Comp 303 construction
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-485-9905, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is B.w. Elliott Manufacturing Co., Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-485-9905
Primary Part Number12291-34
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerB.w. Elliott Manufacturing Co., Llc
StatusACTIVE
End SimilarityNOT IDENTICAL
Step Quantity3
Second End Keyway Depth0.1875 INCHES NOMINAL IN
First End Diameter0.6210 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN
External Keyway Length0.6250 INCHES NOMINAL SECOND END IN
Second End Keyway Width0.1875 INCHES NOMINAL IN
Material Document and ClassificationAISI 303 ASSN STD SINGLE MATERIAL RESPONSE
MaterialSTEEL COMP 303
Second End StyleCIRCULAR GROOVED AND FLAT KEYWAY
First End StylePLAIN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2910-00-063-024712108 INTERCHANGEABLE
Cover,governor Control
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5999-00-636-7940SC-B-69784 INTERCHANGEABLE
Contact,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5340-01-009-6860R10405P7 INTERCHANGEABLE
Clamp,loop
Lockheed Martin Corporation Div Rotary and Mission Systems
4730-01-121-790712108 INTERCHANGEABLE
Strainer Element,sediment
Leslie Controls, Inc. Dba Leslie Controls Inc
5360-01-126-078512108 INTERCHANGEABLE
Spring,helical,compression
Imi Cash Valve Inc
3010-01-412-813312108-1451 INTERCHANGEABLE
Drive Unit,angle
B.w. Elliott Manufacturing Co., Llc
3010-01-413-009512108-1401 INTERCHANGEABLE
Drive Unit,angle
B.w. Elliott Manufacturing Co., Llc
3010-01-486-145912108-1502 INTERCHANGEABLE
Drive Unit,angle
B.w. Elliott Manufacturing Co., Llc
6515-01-486-66361210-8 INTERCHANGEABLE
Bit,torque Driver
Pmt Corp Div Pmt Corporation
6145-01-522-6494720429-1 INTERCHANGEABLE
Cable,special Purpose,electrical
Prysmian Group Specialty Cables Llc
Cross-Reference Index
Part NumberManufacturer
A-805-12291-34 B.w. Elliott Manufacturing Co., Llc (USA)
12291-34 PRIMARY B.w. Elliott Manufacturing Co., Llc (USA)
12108 B.w. Elliott Manufacturing Co., Llc (USA)
Related Parts
2910-00-063-0247INTERCHANGEABLE
COVER,GOVERNOR CONTROL
12108
5999-00-636-7940INTERCHANGEABLE
CONTACT,ELECTRICAL
SC-B-69784
5340-01-009-6860INTERCHANGEABLE
CLAMP,LOOP
R10405P7
4730-01-121-7907INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
12108
5360-01-126-0785INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
12108
3010-01-412-8133INTERCHANGEABLE
DRIVE UNIT,ANGLE
12108-1451
3010-01-413-0095INTERCHANGEABLE
DRIVE UNIT,ANGLE
12108-1401
3010-01-486-1459INTERCHANGEABLE
DRIVE UNIT,ANGLE
12108-1502
6515-01-486-6636INTERCHANGEABLE
BIT,TORQUE DRIVER
1210-8
6145-01-522-6494INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
720429-1
6550-01-573-9272INTERCHANGEABLE
TEST KIT,ALKALINE PHOSPHATASE AC
PAS-FAP-100K

Frequently Asked Questions

What is NSN 3040-01-485-9905?

NSN 3040-01-485-9905 is a Shaft,shouldered, manufactured by B.w. Elliott Manufacturing Co., Llc, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-485-9905?

NSN 3040-01-485-9905 has 3 cross-referenced part numbers: A-805-12291-34 (B.w. Elliott Manufacturing Co., Llc), 12291-34 (B.w. Elliott Manufacturing Co., Llc), 12108 (B.w. Elliott Manufacturing Co., Llc).

What NSN replaces 3040-01-485-9905?

There are 11 known substitutes for 3040-01-485-9905: 2910-00-063-0247, 5999-00-636-7940, 5340-01-009-6860 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12291-34?

Key specifications for 12291-34: End Similarity: NOT IDENTICAL; Step Quantity: 3; Second End Keyway Depth: 0.1875 INCHES NOMINAL IN; Special Features: NHA DRIVE UNIT,ANGLE. 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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