PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

88-268Bolt,machine

Dresser Industries Inc Leroi Div · NSN 5306-00-429-7629 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-429-7629 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-429-7629. Primary manufacturer part number: 88-268.
Features
  • Bolt,machine — FSC 5306
  • Thread Class: 2A A
  • Nominal Thread Diameter: 0.750 INCHES IN
  • Thread Direction: RIGHT-HAND
  • Features Provided: FINISHED HEAD
  • Width Between Flats: 1.255 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN
  • Thread Series Designator: UNF
  • Head Style: ROUND W/WRENCH FLATS
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 5306-00-429-7629, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 13 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-429-7629
Primary Part Number88-268
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerDresser Industries Inc Leroi Div
StatusACTIVE
Thread Class2A A
Nominal Thread Diameter0.750 INCHES IN
Thread DirectionRIGHT-HAND
Features ProvidedFINISHED HEAD
Width Between Flats1.255 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN
Thread Series DesignatorUNF
Head StyleROUND W/WRENCH FLATS
Head Diameter1.557 INCHES MINIMUM AND 1.562 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Thread Quantity Per Inch16
Fastener Length3.938 INCHES NOMINAL IN
Thread Length1.250 INCHES NOMINAL IN
Head Height0.438 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-01-127-833288268 INTERCHANGEABLE
Nut
Williams International Co., L.l.c.
2520-01-187-6496396363C1 INTERCHANGEABLE
Pressure Plate,clutch
Navistar Intl Corp Truck Br Ohio Plant
Cross-Reference Index
Part NumberManufacturer
88-268 Dresser Industries Inc Leroi Div (USA)
C2566 Thor Power Tool Co Sub of Stewart-Warner Co (USA)
Related Parts
5310-01-127-8332INTERCHANGEABLE
NUT
88268
2520-01-187-6496INTERCHANGEABLE
PRESSURE PLATE,CLUTCH
396363C1

Frequently Asked Questions

What is NSN 5306-00-429-7629?

NSN 5306-00-429-7629 is a Bolt,machine, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-429-7629?

NSN 5306-00-429-7629 has 2 cross-referenced part numbers: 88-268 (Dresser Industries Inc Leroi Div), C2566 (Thor Power Tool Co Sub of Stewart-Warner Co).

What NSN replaces 5306-00-429-7629?

There are 2 known substitutes for 5306-00-429-7629: 5310-01-127-8332, 2520-01-187-6496. Verify interchangeability with system specifications before substitution.

What are the specifications of 88-268?

Key specifications for 88-268: Thread Class: 2A A; Nominal Thread Diameter: 0.750 INCHES IN; Thread Direction: RIGHT-HAND; Features Provided: FINISHED HEAD. 13 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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