PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

321145Bolt,machine

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 5306-00-637-9929 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-637-9929 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-637-9929. Primary manufacturer part number: 321145.
Features
  • Bolt,machine — FSC 5306
  • Material: STEEL COMP 8735 OVERALL
  • Head Style: DEE
  • Thread Class: 2A A
  • Distance From Centerline to Flat: 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
  • Grip Length: 4.020 INCHES MINIMUM AND 4.180 INCHES MAXIMUM IN
  • Head Height: 0.160 INCHES NOMINAL IN
  • Fastener Length: 4.620 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 8735 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-637-9929, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 16 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-637-9929
Primary Part Number321145
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusACTIVE
MaterialSTEEL COMP 8735 OVERALL
Head StyleDEE
Thread Class2A A
Distance From Centerline to Flat0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Grip Length4.020 INCHES MINIMUM AND 4.180 INCHES MAXIMUM IN
Head Height0.160 INCHES NOMINAL IN
Fastener Length4.620 INCHES NOMINAL IN
Thread Length0.440 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN
Features ProvidedFINISHED HEAD
Material Document and ClassificationAMS 6320 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentCADMIUM OVERALL
Nominal Thread Diameter0.250 INCHES IN
Thread Series DesignatorUNF
Head Diameter0.605 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
Thread Quantity Per Inch28
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2940-00-244-003232114-5 INTERCHANGEABLE
Filter Body,fluid
Garrison Manufacturing Inc
6125-00-295-2542 INTERCHANGEABLE
Armature,motor-Generator
5961-00-422-5501321145 INTERCHANGEABLE
Transistor
Telemechanics Inc
2530-01-286-8650321277 INTERCHANGEABLE
Brake Shoe
Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
Cross-Reference Index
Part NumberManufacturer
321145 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
Related Parts
2940-00-244-0032INTERCHANGEABLE
FILTER BODY,FLUID
32114-5
6125-00-295-2542INTERCHANGEABLE
ARMATURE,MOTOR-GENERATOR
5961-00-422-5501INTERCHANGEABLE
TRANSISTOR
321145
2530-01-286-8650INTERCHANGEABLE
BRAKE SHOE
321277

Frequently Asked Questions

What is NSN 5306-00-637-9929?

NSN 5306-00-637-9929 is a Bolt,machine, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-637-9929?

NSN 5306-00-637-9929 has 1 cross-referenced part number: 321145 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What NSN replaces 5306-00-637-9929?

There are 4 known substitutes for 5306-00-637-9929: 2940-00-244-0032, 6125-00-295-2542, 5961-00-422-5501 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 321145?

Key specifications for 321145: Material: STEEL COMP 8735 OVERALL; Head Style: DEE; Thread Class: 2A A; Distance From Centerline to Flat: 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN. 16 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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