PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77139HShaft,straight

Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ · NSN 3040-00-734-8052 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-734-8052 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-734-8052. Primary manufacturer part number: 77139H.
Features
  • Shaft,straight — FSC 3040
  • Material: STEEL
  • First End Diameter: 0.7465 INCHES MINIMUM AND 0.7475 INCHES MAXIMUM IN
  • Material Document and Classification: QQ-S-633,FS1015 TO FS1025 FED SPEC SINGLE MATERIAL RESPONSE
  • 5 verified cross-references
  • Primary manufacturer: Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
Applications
  • Applications requiring Steel construction
General Description

The Shaft,straight, cataloged under National Stock Number 3040-00-734-8052, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/. Government technical data includes 3 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-734-8052
Primary Part Number77139H
Item NameShaft,straight
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerNavistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
StatusACTIVE
MaterialSTEEL
First End Diameter0.7465 INCHES MINIMUM AND 0.7475 INCHES MAXIMUM IN
Material Document and ClassificationQQ-S-633,FS1015 TO FS1025 FED SPEC SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5331-00-003-678311713 INTERCHANGEABLE
O-Ring
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
4420-00-051-3474D-57621 INTERCHANGEABLE
Tool Set,condenser
DC Fabricators Inc
5930-00-137-0873 INTERCHANGEABLE
Switch,mercury
2520-00-164-014611269 INTERCHANGEABLE
Yoke
Komatsu America Corporation
5305-00-206-5035 INTERCHANGEABLE
Setscrew
2805-00-735-6052112-0069 INTERCHANGEABLE
Pin,piston
Cummins Power Generation Inc.
4320-01-290-5251CA9368-4 INTERCHANGEABLE
Ring,wearing
Air & Liquid Systems Corporation Dba Buffalo Pumps
4140-01-333-728211269 INTERCHANGEABLE
Fan,centrifugal
Krack Corp
Cross-Reference Index
Part NumberManufacturer
77139H PRIMARY Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
365042003 Kaitlin Corp (USA)
11269 Mcquay-Norris Inc Oem Div an Skf Industries Co
B2553 Carpenter Mfg Corp (USA)
7348052 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
5331-00-003-6783INTERCHANGEABLE
O-RING
11713
4420-00-051-3474INTERCHANGEABLE
TOOL SET,CONDENSER
D-57621
5930-00-137-0873INTERCHANGEABLE
SWITCH,MERCURY
2520-00-164-0146INTERCHANGEABLE
YOKE
11269
5305-00-206-5035INTERCHANGEABLE
SETSCREW
2805-00-735-6052INTERCHANGEABLE
PIN,PISTON
112-0069
4320-01-290-5251INTERCHANGEABLE
RING,WEARING
CA9368-4
4140-01-333-7282INTERCHANGEABLE
FAN,CENTRIFUGAL
11269

Frequently Asked Questions

What is NSN 3040-00-734-8052?

NSN 3040-00-734-8052 is a Shaft,straight, manufactured by Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-734-8052?

NSN 3040-00-734-8052 has 5 cross-referenced part numbers: 77139H (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 365042003 (Kaitlin Corp), 11269 (Mcquay-Norris Inc Oem Div an Skf Industries Co), B2553 (Carpenter Mfg Corp), 7348052 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 3040-00-734-8052?

There are 8 known substitutes for 3040-00-734-8052: 5331-00-003-6783, 4420-00-051-3474, 5930-00-137-0873 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 77139H?

Key specifications for 77139H: Material: STEEL; Overall Length: 15.688 INCHES NOMINAL IN; First End Diameter: 0.7465 INCHES MINIMUM AND 0.7475 INCHES MAXIMUM IN; Material Document and Classification: QQ-S-633,FS1015 TO FS1025 FED SPEC SINGLE MATERIAL RESPONSE. 4 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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