PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21032Bolt,machine

Eaton Aerospace, Llc Dba Jackson South · NSN 5306-00-272-4227 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-272-4227 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-272-4227. Primary manufacturer part number: 21032.
Features
  • Bolt,machine — FSC 5306
  • Width Between Flats: 0.562 INCHES NOMINAL IN
  • Hole Diameter: 0.093 INCHES NOMINAL IN
  • Features Provided: FINISHED HEAD
  • Thread Quantity Per Inch: 16
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Surface Treatment: CADMIUM OVERALL
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 3135 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-272-4227, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-272-4227
Primary Part Number21032
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusCANCELLED
Width Between Flats0.562 INCHES NOMINAL IN
Hole Diameter0.093 INCHES NOMINAL IN
Features ProvidedFINISHED HEAD
Thread Quantity Per Inch16
Nominal Thread Diameter0.375 INCHES IN
Surface TreatmentCADMIUM OVERALL
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Hardness Rating36.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
Thread DirectionRIGHT-HAND
Head Height0.234 INCHES NOMINAL IN
Hole Configuration StyleHEXAGON LONGITUDINAL HOLE
MaterialSTEEL COMP 3135 OVERALL
Hole TypeDRILLED
Thread Class3A A
Thread Length1.000 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Hole Quantity6
Head StyleHEXAGON
Fastener Length1.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
No Item Name Available
5120-00-061-854616510 INTERCHANGEABLE
Hammer,hand
Vaughan & Bushnell Manufacturing Company
5950-00-133-886051147 INTERCHANGEABLE
Coil Assembly,electrical
Cae Inc
5136-00-156-2989 INTERCHANGEABLE
Chasers,thread Cutting
5310-00-185-6464 INTERCHANGEABLE
Nut,plain,round
4730-00-204-3491 INTERCHANGEABLE
Clamp,hose
5930-00-238-706850073 INTERCHANGEABLE
Switch,pressure
Mission Systems Davenport Inc.
2940-00-248-452651147 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5835-00-301-381221979 INTERCHANGEABLE
Capstan,tape Drive
Drs C3 & Aviation Company Dba Drs Data & Imaging Systems
3040-00-392-7835SM-B-157326 INTERCHANGEABLE
Lever,manual Control
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
21032 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
10395 PRIMARY Klauer Manufacturing Company (USA)
3X23207 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
23207 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
51147 PRIMARY Klauer Manufacturing Company (USA)
Related Parts
5306-00-431-3009SUCCESSOR
NO ITEM NAME AVAILABLE
5120-00-061-8546INTERCHANGEABLE
HAMMER,HAND
16510
5950-00-133-8860INTERCHANGEABLE
COIL ASSEMBLY,ELECTRICAL
51147
5136-00-156-2989INTERCHANGEABLE
CHASERS,THREAD CUTTING
5310-00-185-6464INTERCHANGEABLE
NUT,PLAIN,ROUND
4730-00-204-3491INTERCHANGEABLE
CLAMP,HOSE
5930-00-238-7068INTERCHANGEABLE
SWITCH,PRESSURE
50073
2940-00-248-4526INTERCHANGEABLE
FILTER ELEMENT,FLUID
51147
5835-00-301-3812INTERCHANGEABLE
CAPSTAN,TAPE DRIVE
21979
3040-00-392-7835INTERCHANGEABLE
LEVER,MANUAL CONTROL
SM-B-157326
3040-00-398-8654INTERCHANGEABLE
SHAFT,SHOULDERED
4457P
2915-00-453-3857INTERCHANGEABLE
LEVER AND INSERT

Frequently Asked Questions

What is NSN 5306-00-272-4227?

NSN 5306-00-272-4227 is a Bolt,machine, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-272-4227?

NSN 5306-00-272-4227 has 5 cross-referenced part numbers: 21032 (Eaton Aerospace, Llc Dba Jackson South), 10395 (Klauer Manufacturing Company), 3X23207 (Eaton Aerospace, Llc Dba Jackson South), 23207 (Eaton Aerospace, Llc Dba Jackson South), 51147 (Klauer Manufacturing Company).

What NSN replaces 5306-00-272-4227?

There are 12 known substitutes for 5306-00-272-4227: 5306-00-431-3009, 5120-00-061-8546, 5950-00-133-8860 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21032?

Key specifications for 21032: Width Between Flats: 0.562 INCHES NOMINAL IN; Hole Diameter: 0.093 INCHES NOMINAL IN; Features Provided: FINISHED HEAD; Thread Quantity Per Inch: 16. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-272-4227 still in active supply?

NSN 5306-00-272-4227 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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