PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILH55053Bolt,hook

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5306-00-271-6162 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-271-6162 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-271-6162. Primary manufacturer part number: MILH55053.
Features
  • Bolt,hook — FSC 5306
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Nondefinitive Spec/std Data: 4 TYPE
  • Surface Treatment: ZINC OVERALL
  • Thread Class: 3A A
  • Material: STEEL OVERALL
  • Distance From Inside of Bend to Shank End: 8.000 INCHES NOMINAL IN
  • Hook Inside Width: 2.000 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Bolt,hook, cataloged under National Stock Number 5306-00-271-6162, 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 13 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-271-6162
Primary Part NumberMILH55053
Item NameBolt,hook
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nondefinitive Spec/std Data4 TYPE
Surface TreatmentZINC OVERALL
Thread Class3A A
MaterialSTEEL OVERALL
Distance From Inside of Bend to Shank End8.000 INCHES NOMINAL IN
Hook Inside Width2.000 INCHES NOMINAL IN
Nominal Thread Diameter0.625 INCHES IN
Style DesignatorRIGHT ANGLE BEND
Minimum Tensile Strength55000 POUNDS PER SQUARE INCH LBS
Thread Length1.750 INCHES MINIMUM IN
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch11
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5975-00-223-1852 INTERCHANGEABLE
Bridle Ring
5975-00-244-6118 INTERCHANGEABLE
Brace,crossarm
5975-00-262-9155 INTERCHANGEABLE
Brace,crossarm
5975-00-264-6314 INTERCHANGEABLE
Brace,crossarm
5306-00-271-6164 INTERCHANGEABLE
Bolt,hook
5306-00-274-8074 INTERCHANGEABLE
Bolt,square Neck
5306-00-274-8080 INTERCHANGEABLE
Bolt,square Neck
5306-00-274-8082 INTERCHANGEABLE
Bolt,square Neck
5975-00-280-3105 INTERCHANGEABLE
Step,pole
5975-00-369-4996 INTERCHANGEABLE
Bridle Ring
Cross-Reference Index
Part NumberManufacturer
MILH55053 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5975-00-223-1852INTERCHANGEABLE
BRIDLE RING
5975-00-244-6118INTERCHANGEABLE
BRACE,CROSSARM
5975-00-262-9155INTERCHANGEABLE
BRACE,CROSSARM
5975-00-264-6314INTERCHANGEABLE
BRACE,CROSSARM
5306-00-271-6164INTERCHANGEABLE
BOLT,HOOK
5306-00-274-8074INTERCHANGEABLE
BOLT,SQUARE NECK
5306-00-274-8080INTERCHANGEABLE
BOLT,SQUARE NECK
5306-00-274-8082INTERCHANGEABLE
BOLT,SQUARE NECK
5975-00-280-3105INTERCHANGEABLE
STEP,POLE
5975-00-369-4996INTERCHANGEABLE
BRIDLE RING
4030-00-389-7778INTERCHANGEABLE
ROD,ANCHOR
5975-00-407-6442INTERCHANGEABLE
BRACE,CROSSARM

Frequently Asked Questions

What is NSN 5306-00-271-6162?

NSN 5306-00-271-6162 is a Bolt,hook, 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 5306-00-271-6162?

NSN 5306-00-271-6162 has 1 cross-referenced part number: MILH55053 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5306-00-271-6162?

There are 12 known substitutes for 5306-00-271-6162: 5975-00-223-1852, 5975-00-244-6118, 5975-00-262-9155 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILH55053?

Key specifications for MILH55053: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Nondefinitive Spec/std Data: 4 TYPE; Surface Treatment: ZINC OVERALL; Thread Class: 3A A. 13 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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