PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12BStud,plain

American M a R C Div of Eon Corp · NSN 5307-00-627-3446 · FSC 5307 · No Item Name Available
Verified by PartsTable
NSN 5307-00-627-3446 — this item is cataloged by the U.S. Government under National Stock Number 5307-00-627-3446. Primary manufacturer part number: 12B.
Features
  • Stud,plain — FSC 5307
  • Thread Quantity Per Inch: 24 NUT THREAD
  • Thread Series Designator: UNF NUT THREAD
  • Thread Quantity Per Inch: 16 STUD THREAD
  • Nominal Thread Size: 0.375 INCHES STUD THREAD IN
  • Material Document and Classification: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
  • Thread Length: 0.562 INCHES MINIMUM NUT THREAD IN
  • Thread Direction: RIGHT-HAND STUD THREAD
Applications
  • Applications requiring Steel Comp B1112 construction
General Description

The Stud,plain, cataloged under National Stock Number 5307-00-627-3446, is classified within Federal Supply Class 5307 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is American M a R C Div of Eon Corp. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5307-00-627-3446
Primary Part Number12B
Item NameStud,plain
FSC / FSG5307 / 53 — No Item Name Available
ManufacturerAmerican M a R C Div of Eon Corp
StatusCANCELLED
Thread Quantity Per Inch24 NUT THREAD
Thread Series DesignatorUNF NUT THREAD
Thread Quantity Per Inch16 STUD THREAD
Nominal Thread Size0.375 INCHES STUD THREAD IN
Material Document and ClassificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
Thread Length0.562 INCHES MINIMUM NUT THREAD IN
Thread DirectionRIGHT-HAND STUD THREAD
Thread Class2A STUD THREAD A
Thread DirectionRIGHT-HAND NUT THREAD
Nominal Thread Size0.375 INCHES NUT THREAD IN
Thread Length0.625 INCHES MINIMUM STUD THREAD IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
Surface TreatmentZINC OVERALL
MaterialSTEEL COMP B1112
Thread Class2A NUT THREAD A
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3441-00-009-2848 INTERCHANGEABLE
Forming Machine,sheet Metal,slip
3110-00-156-1750 INTERCHANGEABLE
Bearing,ball,thrust
5905-00-283-3927 INTERCHANGEABLE
Resistor,current Regulating
6625-00-445-6930 INTERCHANGEABLE
Test Set,telephone
6240-00-469-624212B INTERCHANGEABLE
Lamp,incandescent
General Dynamics Mission Systems, Inc.
5315-00-482-1479 INTERCHANGEABLE
Pin,straight,headless
5935-00-539-119212B INTERCHANGEABLE
Jack,telephone
Switchcraft Inc.
6625-00-649-4929 INTERCHANGEABLE
Lead,test
6635-00-663-457612B INTERCHANGEABLE
Tester,material Hardness
Sun Tec Corp
4730-00-781-9629H4S/S INTERCHANGEABLE
Coupling Half,quick Disconnect
Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co
Cross-Reference Index
Part NumberManufacturer
12B American M a R C Div of Eon Corp (USA)
520A118 Cummins Power Generation Inc. (USA)
Related Parts
3441-00-009-2848INTERCHANGEABLE
FORMING MACHINE,SHEET METAL,SLIP
3110-00-156-1750INTERCHANGEABLE
BEARING,BALL,THRUST
5905-00-283-3927INTERCHANGEABLE
RESISTOR,CURRENT REGULATING
6625-00-445-6930INTERCHANGEABLE
TEST SET,TELEPHONE
6240-00-469-6242INTERCHANGEABLE
LAMP,INCANDESCENT
12B
5315-00-482-1479INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5935-00-539-1192INTERCHANGEABLE
JACK,TELEPHONE
12B
6625-00-649-4929INTERCHANGEABLE
LEAD,TEST
6635-00-663-4576INTERCHANGEABLE
TESTER,MATERIAL HARDNESS
12B
4730-00-781-9629INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
H4S/S
6110-00-889-0990INTERCHANGEABLE
PANEL,CONTROL,ELECTRICAL-ELECTRO
6240-00-935-7037INTERCHANGEABLE
LAMP,INCANDESCENT
12B1

Frequently Asked Questions

What is NSN 5307-00-627-3446?

NSN 5307-00-627-3446 is a Stud,plain, manufactured by American M a R C Div of Eon Corp, classified under FSC 5307 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5307-00-627-3446?

NSN 5307-00-627-3446 has 2 cross-referenced part numbers: 12B (American M a R C Div of Eon Corp), 520A118 (Cummins Power Generation Inc.).

What NSN replaces 5307-00-627-3446?

There are 12 known substitutes for 5307-00-627-3446: 3441-00-009-2848, 3110-00-156-1750, 5905-00-283-3927 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12B?

Key specifications for 12B: Thread Quantity Per Inch: 24 NUT THREAD; Thread Series Designator: UNF NUT THREAD; Thread Quantity Per Inch: 16 STUD THREAD; Nominal Thread Size: 0.375 INCHES STUD THREAD IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5307-00-627-3446 still in active supply?

NSN 5307-00-627-3446 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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