PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1AX57Bolt,machine

Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations · NSN 5306-01-551-7482 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-01-551-7482 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-551-7482. Primary manufacturer part number: 1AX57.
Features
  • Bolt,machine — FSC 5306
  • Thread Series Designator: UNF
  • Thread Class: 2A A
  • Head Style: DISHED HEXAGON
  • Fastener Length: 4.000 INCHES NOMINAL IN
  • Grip Diameter: 0.617 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.625 INCHES IN
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Bolt,machine, cataloged under National Stock Number 5306-01-551-7482, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN5306-01-551-7482
Primary Part Number1AX57
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerMack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations
StatusACTIVE
Thread Series DesignatorUNF
Thread Class2A A
Head StyleDISHED HEXAGON
Fastener Length4.000 INCHES NOMINAL IN
Grip Diameter0.617 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Nominal Thread Diameter0.625 INCHES IN
Thread DirectionRIGHT-HAND
Thread Length1.500 INCHES MINIMUM IN
Grip Length2.500 INCHES NOMINAL IN
Width Between Flats1.051 INCHES MINIMUM AND 1.083 INCHES MAXIMUM IN
Head Height0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN
Thread Quantity Per Inch18
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5130-01-400-0128 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
1AX57 Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales (AUS)
1AX57 PRIMARY Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations (USA)
Related Parts
5130-01-400-0128INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5306-01-551-7482?

NSN 5306-01-551-7482 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 5306-01-551-7482?

NSN 5306-01-551-7482 has 2 cross-referenced part numbers: 1AX57 (Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales), 1AX57 (Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations).

What NSN replaces 5306-01-551-7482?

There is 1 known substitute for 5306-01-551-7482: 5130-01-400-0128. Verify interchangeability with system specifications before substitution.

What are the specifications of 1AX57?

Key specifications for 1AX57: Thread Series Designator: UNF; Special Features: GRADE 5; Thread Class: 2A A; Head Style: DISHED HEXAGON. 14 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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