PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-1222Bolt,machine

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5306-01-282-7489 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-01-282-7489 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-282-7489. Primary manufacturer part number: MIL-DTL-1222.
Features
  • Bolt,machine — FSC 5306
  • Minimum Tensile Strength: 120000 POUNDS PER SQUARE INCH LBS
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Thread Class: 2A A
  • Head Style: HEXAGON
  • Fastener Length: 5.400 INCHES MINIMUM AND 5.500 INCHES MAXIMUM IN
  • Features Provided: FINISHED HEAD
  • Thread Quantity Per Inch: 16
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 5306-01-282-7489, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-01-282-7489
Primary Part NumberMIL-DTL-1222
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Minimum Tensile Strength120000 POUNDS PER SQUARE INCH LBS
Nominal Thread Diameter0.375 INCHES IN
Thread Class2A A
Head StyleHEXAGON
Fastener Length5.400 INCHES MINIMUM AND 5.500 INCHES MAXIMUM IN
Features ProvidedFINISHED HEAD
Thread Quantity Per Inch16
Head Height0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Material Document and ClassificationSAE J429 GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread DirectionRIGHT-HAND
MaterialSTEEL OVERALL
Thread Length1.000 INCHES MINIMUM IN
Hardness Rating23.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
Width Between Flats0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5306-00-018-0084
HAZMATNo
Verified Substitutes 12
5306-00-638-5811AN10H20A SUCCESSOR
Bolt,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Bolt,machine
5306-00-018-6649186649 SUCCESSOR
Bolt,machine
Rolls-Royce Solutions America Inc
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-1222,TY-I,GR-5 HEX HEAD Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
3/8-16UNC-2AX5.500IN.LG,STL,ZINC American National Standards Institute Incorporated Dba American National Standards Institute (USA)
MIL-DTL-1222, TY-I,GR-5 HEX HEAD Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M1222 0.375-16UNC-2A X 5.500L Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-1222J Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-1222 TY-I ,GR-5 HEX HEAD Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
SUCCESSOR 5306-00-018-0084 Bolt,machine
5306-00-638-5811SUCCESSOR
BOLT,MACHINE
AN10H20A
5306-00-018-6649SUCCESSOR
BOLT,MACHINE
186649
5306-00-174-0532SUCCESSOR
BOLT,MACHINE
5306-00-174-0539SUCCESSOR
BOLT,MACHINE
5306-00-174-4166SUCCESSOR
BOLT,MACHINE
5306-00-174-9461SUCCESSOR
BOLT,MACHINE
5306-00-174-9463SUCCESSOR
BOLT,MACHINE
5306-00-174-9465SUCCESSOR
BOLT,MACHINE
5306-00-174-9466SUCCESSOR
BOLT,MACHINE
5306-00-174-9467SUCCESSOR
BOLT,MACHINE
5306-00-174-9468SUCCESSOR
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-01-282-7489?

NSN 5306-01-282-7489 is a Bolt,machine, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-01-282-7489?

NSN 5306-01-282-7489 has 8 cross-referenced part numbers: MIL-DTL-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-1222,TY-I,GR-5 HEX HEAD (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 3/8-16UNC-2AX5.500IN.LG,STL,ZINC (American National Standards Institute Incorporated Dba American National Standards Institute), MIL-DTL-1222, TY-I,GR-5 HEX HEAD (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M1222 0.375-16UNC-2A X 5.500L (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.

What NSN replaces 5306-01-282-7489?

There are 12 known substitutes for 5306-01-282-7489: 5306-00-638-5811, 5306-00-018-0084, 5306-00-018-6649 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-1222?

Key specifications for MIL-DTL-1222: Minimum Tensile Strength: 120000 POUNDS PER SQUARE INCH LBS; Nominal Thread Diameter: 0.375 INCHES IN; Thread Class: 2A A; Head Style: HEXAGON. 15 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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