PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1AX39Bolt,machine

Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations · NSN 5306-01-552-7994 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-01-552-7994 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-552-7994. Primary manufacturer part number: 1AX39.
Features
  • Bolt,machine — FSC 5306
  • Thread Quantity Per Inch: 20
  • Thread Direction: RIGHT-HAND
  • Thread Length: 1.125 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.4375 INCHES IN
  • Thread Series Designator: UNF
  • Thread Class: 2A A
  • Fastener Length: 1.750 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Bolt,machine, cataloged under National Stock Number 5306-01-552-7994, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-01-552-7994
Primary Part Number1AX39
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerMack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations
StatusACTIVE
Thread Quantity Per Inch20
Thread DirectionRIGHT-HAND
Thread Length1.125 INCHES NOMINAL IN
Nominal Thread Diameter0.4375 INCHES IN
Thread Series DesignatorUNF
Thread Class2A A
Fastener Length1.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5130-01-348-9221 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
1AX39 PRIMARY Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations (USA)
1AX39 Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales (AUS)
25106302 Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales (AUS)
Related Parts
5130-01-348-9221INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5306-01-552-7994?

NSN 5306-01-552-7994 is a Bolt,machine, manufactured by Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-01-552-7994?

NSN 5306-01-552-7994 has 3 cross-referenced part numbers: 1AX39 (Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations), 1AX39 (Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales), 25106302 (Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales).

What NSN replaces 5306-01-552-7994?

There is 1 known substitute for 5306-01-552-7994: 5130-01-348-9221. Verify interchangeability with system specifications before substitution.

What are the specifications of 1AX39?

Key specifications for 1AX39: Thread Quantity Per Inch: 20; Thread Direction: RIGHT-HAND; Part Name Assigned by Controlling Agency: BOLT, FINISHED HEXAGON(GRADE 5); Thread Length: 1.125 INCHES NOMINAL IN. 8 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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