PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-1222 TYPE 1 STYLE AStud,plain

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5307-00-266-1129 · FSC 5307 · No Item Name Available
Verified by PartsTable
NSN 5307-00-266-1129 — this item is cataloged by the U.S. Government under National Stock Number 5307-00-266-1129. Primary manufacturer part number: MIL-DTL-1222 TYPE 1 STYLE A.
Features
  • Stud,plain — FSC 5307
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) NUT THREAD
  • Thread Quantity Per Inch: 13 NUT THREAD
  • Thread Direction: RIGHT-HAND NUT THREAD
  • Nondefinitive Spec/std Data: 1 TYPE AND A STYLE
  • Thread Length: 1.250 INCHES MINIMUM NUT THREAD IN
  • Thread Direction: RIGHT-HAND STUD THREAD
  • Thread Class: 3A NUT THREAD A
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Stud,plain, cataloged under National Stock Number 5307-00-266-1129, is classified within Federal Supply Class 5307 (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 14 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5307-00-266-1129
Primary Part NumberMIL-DTL-1222 TYPE 1 STYLE A
Item NameStud,plain
FSC / FSG5307 / 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) NUT THREAD
Thread Quantity Per Inch13 NUT THREAD
Thread DirectionRIGHT-HAND NUT THREAD
Nondefinitive Spec/std Data1 TYPE AND A STYLE
Thread Length1.250 INCHES MINIMUM NUT THREAD IN
Thread DirectionRIGHT-HAND STUD THREAD
Thread Class3A NUT THREAD A
Departure From Cited DesignatorAS MODIFIED BY NUT END THREAD LENGTH AND MODIFIED BY STUD END THREAD LENGTH
Thread Quantity Per Inch13 STUD THREAD
Thread Class3A STUD THREAD A
Nominal Thread Size0.500 INCHES STUD THREAD IN
Thread Length1.250 INCHES MINIMUM STUD THREAD IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
Nominal Thread Size0.500 INCHES NUT THREAD IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5307-00-248-7987 INTERCHANGEABLE
Stud,plain
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-1222 TYPE 1 STYLE A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5307-00-248-7987INTERCHANGEABLE
STUD,PLAIN

Frequently Asked Questions

What is NSN 5307-00-266-1129?

NSN 5307-00-266-1129 is a Stud,plain, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5307 (No Item Name Available). Status: active.

What are the part numbers for NSN 5307-00-266-1129?

NSN 5307-00-266-1129 has 1 cross-referenced part number: MIL-DTL-1222 TYPE 1 STYLE A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5307-00-266-1129?

There is 1 known substitute for 5307-00-266-1129: 5307-00-248-7987. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-1222 TYPE 1 STYLE A?

Key specifications for MIL-DTL-1222 TYPE 1 STYLE A: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) NUT THREAD; Thread Quantity Per Inch: 13 NUT THREAD; Thread Direction: RIGHT-HAND NUT THREAD; Nondefinitive Spec/std Data: 1 TYPE AND A STYLE. 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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