PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C1733Bolt,machine

American Standard Inc Westinghouse Air Brake Co Div · NSN 5306-00-424-0551 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-424-0551 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-424-0551. Primary manufacturer part number: C1733.
Features
  • Bolt,machine — FSC 5306
  • Head Height: 0.344 INCHES NOMINAL IN
  • Thread Class: 2A A
  • Nominal Thread Diameter: 0.625 INCHES IN
  • Thread Quantity Per Inch: 11
  • Thread Length: 1.250 INCHES MINIMUM IN
  • Hardness Rating: 20.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-424-0551, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is American Standard Inc Westinghouse Air Brake Co Div. Government technical data includes 14 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-424-0551
Primary Part NumberC1733
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerAmerican Standard Inc Westinghouse Air Brake Co Div
StatusCANCELLED
Head Height0.344 INCHES NOMINAL IN
Thread Class2A A
Nominal Thread Diameter0.625 INCHES IN
Thread Quantity Per Inch11
Thread Length1.250 INCHES MINIMUM IN
Hardness Rating20.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Countersink Angle80.0 DEGREES NOMINAL
Fastener Length2.250 INCHES NOMINAL IN
Features ProvidedFINISHED HEAD
MaterialSTEEL OVERALL
Thread DirectionRIGHT-HAND
Head StyleFLAT COUNTERSUNK UNDERCUT
Head Diameter1.063 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5340-00-956-5067 (C1733)
HAZMATNo
Verified Substitutes 3
No Item Name Available
5340-00-956-5067C1733 SUCCESSOR
Bumper
Howell Instruments, Inc. Dba Howell Instruments Inc
1730-00-445-84691730AC1001 INTERCHANGEABLE
Adapter,aircraft Jacking Point
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
C1733 American Standard Inc Westinghouse Air Brake Co Div (USA)
Related Parts
SUCCESSOR 5340-00-956-5067 Bumper · C1733
5306-00-425-0551SUCCESSOR
NO ITEM NAME AVAILABLE
1730-00-445-8469INTERCHANGEABLE
ADAPTER,AIRCRAFT JACKING POINT
1730AC1001

Frequently Asked Questions

What is NSN 5306-00-424-0551?

NSN 5306-00-424-0551 is a Bolt,machine, manufactured by American Standard Inc Westinghouse Air Brake Co Div, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-424-0551?

NSN 5306-00-424-0551 has 1 cross-referenced part number: C1733 (American Standard Inc Westinghouse Air Brake Co Div).

What NSN replaces 5306-00-424-0551?

There are 3 known substitutes for 5306-00-424-0551: 5306-00-425-0551, 5340-00-956-5067, 1730-00-445-8469. Verify interchangeability with system specifications before substitution.

What are the specifications of C1733?

Key specifications for C1733: Head Height: 0.344 INCHES NOMINAL IN; Thread Class: 2A A; Nominal Thread Diameter: 0.625 INCHES IN; Thread Quantity Per Inch: 11. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-424-0551 still in active supply?

NSN 5306-00-424-0551 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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