PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-1222JBolt,machine

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5306-00-270-9457 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-270-9457 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-270-9457. Primary manufacturer part number: MIL-DTL-1222J.
Features
  • Bolt,machine — FSC 5306
  • Head Height: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
  • Width Between Flats: 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
  • Head Style: HEXAGON
  • Minimum Tensile Strength: 120000 POUNDS PER SQUARE INCH LBS
  • Fastener Length: 4.500 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: 2 TYPE AND 5 GRADE
  • Material: STEEL OVERALL
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 5306-00-270-9457, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5306-00-270-9457
Primary Part NumberMIL-DTL-1222J
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
StatusCANCELLED
Head Height0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
Width Between Flats0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Head StyleHEXAGON
Minimum Tensile Strength120000 POUNDS PER SQUARE INCH LBS
Fastener Length4.500 INCHES NOMINAL IN
Nondefinitive Spec/std Data2 TYPE AND 5 GRADE
MaterialSTEEL OVERALL
Material Document and ClassificationSAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class2A A
Nominal Thread Diameter0.500 INCHES IN
Thread Length1.250 INCHES MINIMUM IN
Thread Quantity Per Inch13
Hardness Rating23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Features ProvidedFINISHED HEAD
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5306-00-012-2065 (122065)
HAZMATNo
Verified Substitutes 12
No Item Name Available
5306-00-638-5811AN10H20A SUCCESSOR
Bolt,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5306-00-012-2065122065 SUCCESSOR
Bolt,machine
General Motors Llc Dba General Motors Llc
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
5306-00-206-4343AN1S59-55PC15 SUCCESSOR
Bolt,machine
Naval Ship Systems Command
5306-00-206-55862065586 SUCCESSOR
Bolt,machine
Army, United States Department of the Dba Rock Island Arsenal Jmtc
Bolt,machine
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-1222J Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M1222B3N8C272GFNN Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 5306-00-012-2065 Bolt,machine · 122065
5306-00-361-3547SUCCESSOR
NO ITEM NAME AVAILABLE
5306-00-638-5811SUCCESSOR
BOLT,MACHINE
AN10H20A
5306-00-150-9315SUCCESSOR
BOLT,MACHINE
5306-00-174-9459SUCCESSOR
BOLT,MACHINE
5306-00-174-9470SUCCESSOR
BOLT,MACHINE
5306-00-174-9530SUCCESSOR
BOLT,MACHINE
5306-00-206-4343SUCCESSOR
BOLT,MACHINE
AN1S59-55PC15
5306-00-206-5586SUCCESSOR
BOLT,MACHINE
2065586
5306-00-227-0565SUCCESSOR
BOLT,MACHINE
5306-00-227-0932SUCCESSOR
BOLT,MACHINE
5306-00-229-3833SUCCESSOR
BOLT,INTERNALLY RELIEVED BODY
60-2836-2

Frequently Asked Questions

What is NSN 5306-00-270-9457?

NSN 5306-00-270-9457 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: cancelled.

What are the part numbers for NSN 5306-00-270-9457?

NSN 5306-00-270-9457 has 2 cross-referenced part numbers: MIL-DTL-1222J (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M1222B3N8C272GFNN (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5306-00-270-9457?

There are 12 known substitutes for 5306-00-270-9457: 5306-00-361-3547, 5306-00-638-5811, 5306-00-012-2065 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-1222J?

Key specifications for MIL-DTL-1222J: Head Height: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN; Width Between Flats: 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Head Style: HEXAGON; Minimum Tensile Strength: 120000 POUNDS PER SQUARE INCH LBS. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-270-9457 still in active supply?

NSN 5306-00-270-9457 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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