PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

247232Bolt,machine

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5306-00-637-1645 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-637-1645 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-637-1645. Primary manufacturer part number: 247232.
Features
  • Bolt,machine — FSC 5306
  • Thread Series Designator: UNF
  • Head Height: 0.375 INCHES NOMINAL IN
  • Thread Class: 1A A
  • Width Between Flats: 0.371 INCHES NOMINAL IN
  • Features Provided: FINISHED HEAD
  • Extended Washer Diameter: 0.500 INCHES NOMINAL IN
  • Extended Washer Thickness: 0.075 INCHES NOMINAL IN
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 5306-00-637-1645, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 17 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: Active.

Technical Specifications
ParameterValue
NSN5306-00-637-1645
Primary Part Number247232
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Thread Series DesignatorUNF
Head Height0.375 INCHES NOMINAL IN
Thread Class1A A
Width Between Flats0.371 INCHES NOMINAL IN
Features ProvidedFINISHED HEAD
Extended Washer Diameter0.500 INCHES NOMINAL IN
Extended Washer Thickness0.075 INCHES NOMINAL IN
Head StyleDOUBLE HEXAGON W/HOLE
Thread Length0.780 INCHES MINIMUM IN
Thread Quantity Per Inch24
Minimum Tensile Strength136000 POUNDS PER SQUARE INCH LBS
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.312 INCHES IN
Fastener Length1.312 INCHES NOMINAL IN
Hardness Rating30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5340-01-333-4431247232 SUCCESSOR
Plate,mounting
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5342-00-037-284415-3007 INTERCHANGEABLE
Clip Assembly
Simmonds Precision Products Inc
2530-01-160-9652290184 INTERCHANGEABLE
Piston,hydraulic Brake
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
Cross-Reference Index
Part NumberManufacturer
247232 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5340-01-333-4431SUCCESSOR
PLATE,MOUNTING
247232
5342-00-037-2844INTERCHANGEABLE
CLIP ASSEMBLY
15-3007
2530-01-160-9652INTERCHANGEABLE
PISTON,HYDRAULIC BRAKE
290184

Frequently Asked Questions

What is NSN 5306-00-637-1645?

NSN 5306-00-637-1645 is a Bolt,machine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-637-1645?

NSN 5306-00-637-1645 has 1 cross-referenced part number: 247232 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5306-00-637-1645?

There are 3 known substitutes for 5306-00-637-1645: 5340-01-333-4431, 5342-00-037-2844, 2530-01-160-9652. Verify interchangeability with system specifications before substitution.

What are the specifications of 247232?

Key specifications for 247232: Thread Series Designator: UNF; Head Height: 0.375 INCHES NOMINAL IN; Thread Class: 1A A; Width Between Flats: 0.371 INCHES NOMINAL IN. 18 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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