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 5306-00-174-9465 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-174-9465 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-174-9465. Primary manufacturer part number: MIL-DTL-1222.
Features
  • Bolt,machine — FSC 5306
  • Thread Length: 1.250 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: QQ-Z-325,TY2,CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Head Style: HEXAGON
  • Width Between Flats: 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
  • Hardness Rating: 80.0 ROCKWELL B MINIMUM OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Diameter: 0.500 INCHES IN
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 5306-00-174-9465, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 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: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-174-9465
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
StatusCANCELLED
Thread Length1.250 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-Z-325,TY2,CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Head StyleHEXAGON
Width Between Flats0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Hardness Rating80.0 ROCKWELL B MINIMUM OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Diameter0.500 INCHES IN
MaterialSTEEL OVERALL
Fastener Length2.250 INCHES NOMINAL IN
Thread Class2A A
Nondefinitive Spec/std Data1 TYPE AND 2 GRADE
Features ProvidedFINISHED HEAD
Minimum Tensile Strength75000 POUNDS PER SQUARE INCH LBS
Thread DirectionRIGHT-HAND
Surface TreatmentZINC OVERALL
Thread Quantity Per Inch13
Head Height0.297 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5306-00-270-9422
HAZMATNo
Verified Substitutes 12
5306-00-227-05820.75010UNC2A1.750T1G5BAC SUCCESSOR
Bolt,machine
Nucor Fastener
5306-00-227-0601306-40172 SUCCESSOR
Bolt,machine
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
Bolt,machine
5306-00-281-51641D4703 SUCCESSOR
Bolt,machine
Caterpillar Inc Div Caterpillar Defense
Bolt,machine
Bolt,machine
Bolt,machine
5306-00-426-34021D4608 SUCCESSOR
Bolt,machine
Caterpillar Inc Div Caterpillar Defense
5306-00-732-77146C-3210 SUCCESSOR
Bolt,machine
Caterpillar Inc Div Caterpillar Defense
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
E-172-050-588 B0LT Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (USA)
MIL-S-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M1222RN8C236GCNZE Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
B1754-225 Zf Industrieantriebe Witten Gmbh (DEU)
0.50013UNC2A2.250T1G2BSAEO Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
E-172-050 ITEM Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (USA)
Related Parts
SUCCESSOR 5306-00-270-9422 Bolt,machine
5306-00-227-0582SUCCESSOR
BOLT,MACHINE
0.75010UNC2A1.750T1G5BAC
5306-00-227-0601SUCCESSOR
BOLT,MACHINE
306-40172
5306-00-281-5164SUCCESSOR
BOLT,MACHINE
1D4703
5306-00-299-2342SUCCESSOR
BOLT,MACHINE
5306-00-299-2369SUCCESSOR
BOLT,MACHINE
5306-00-299-2378SUCCESSOR
BOLT,MACHINE
5306-00-426-3402SUCCESSOR
BOLT,MACHINE
1D4608
5306-00-732-7714SUCCESSOR
BOLT,MACHINE
6C-3210
5306-01-282-7489SUCCESSOR
BOLT,MACHINE
5306-01-323-5536SUCCESSOR
BOLT,MACHINE
5306-01-327-3526SUCCESSOR
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-174-9465?

NSN 5306-00-174-9465 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 5306-00-174-9465?

NSN 5306-00-174-9465 has 7 cross-referenced part numbers: MIL-DTL-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), E-172-050-588 B0LT (Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric), MIL-S-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M1222RN8C236GCNZE (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), B1754-225 (Zf Industrieantriebe Witten Gmbh) and 2 more.

What NSN replaces 5306-00-174-9465?

There are 12 known substitutes for 5306-00-174-9465: 5306-00-227-0582, 5306-00-227-0601, 5306-00-270-9422 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-1222?

Key specifications for MIL-DTL-1222: Thread Length: 1.250 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-Z-325,TY2,CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Head Style: HEXAGON; Width Between Flats: 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-174-9465 still in active supply?

NSN 5306-00-174-9465 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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