PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12852Stud,locked in

Triumph Engine Control Systems Llc · NSN 5307-00-373-8632 · FSC 5307 · No Item Name Available
Verified by PartsTable
NSN 5307-00-373-8632 — this item is cataloged by the U.S. Government under National Stock Number 5307-00-373-8632. Primary manufacturer part number: 12852.
Features
  • Stud,locked in — FSC 5307
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) STUD THREAD
  • Distance From Serrated Portion to Stud End: 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM IN
  • Thread Class: 3A STUD THREAD A
  • Thread Quantity Per Inch: 16 STUD THREAD
  • Thread Quantity Per Inch: 24 NUT THREAD
  • Style Designator: LOCKED IN
  • Thread Series Designator: UNF NUT THREAD
Applications
  • Applications requiring Steel Comp 416f construction
General Description

The Stud,locked in, cataloged under National Stock Number 5307-00-373-8632, is classified within Federal Supply Class 5307 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 20 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5307-00-373-8632
Primary Part Number12852
Item NameStud,locked in
FSC / FSG5307 / 53 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
Distance From Serrated Portion to Stud End0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM IN
Thread Class3A STUD THREAD A
Thread Quantity Per Inch16 STUD THREAD
Thread Quantity Per Inch24 NUT THREAD
Style DesignatorLOCKED IN
Thread Series DesignatorUNF NUT THREAD
MaterialSTEEL COMP 416F
Thread DirectionRIGHT-HAND NUT THREAD
Surface TreatmentPASSIVATE OVERALL
Nominal Thread Size0.312 INCHES NUT THREAD IN
Thread Length0.560 INCHES NOMINAL NUT THREAD IN
Distance From Serrated Portion to End of Stud Thread0.166 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
Distance From Serrated Portion to Nut End0.687 INCHES NOMINAL IN
Nominal Thread Size0.375 INCHES STUD THREAD IN
Thread Length0.501 INCHES MINIMUM AND 0.531 INCHES MAXIMUM STUD THREAD IN
Material Document and ClassificationAMS 5610 ASSN STD SINGLE MATERIAL RESPONSE
Locking FeatureANY ACCEPTABLE
Thread DirectionRIGHT-HAND STUD THREAD
Thread Class3A NUT THREAD A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5306-00-298-865512852 INTERCHANGEABLE
Bolt,machine
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5950-00-417-4376373304-1 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon Co
1650-00-691-304312852 INTERCHANGEABLE
Filter Element,fluid
Frontgrade Technologies Inc. Dba Frontgrade Technologies Inc.
6150-01-179-538312852 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
3020-01-297-910912852 INTERCHANGEABLE
Gear,spur
Aerosonic Llc
4820-01-425-3690 INTERCHANGEABLE
Valve Assembly,manifold
5120-01-585-8829 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
Cross-Reference Index
Part NumberManufacturer
12852 PRIMARY Triumph Engine Control Systems Llc (USA)
Related Parts
5306-00-298-8655INTERCHANGEABLE
BOLT,MACHINE
12852
5950-00-417-4376INTERCHANGEABLE
TRANSFORMER,POWER
373304-1
1650-00-691-3043INTERCHANGEABLE
FILTER ELEMENT,FLUID
12852
6150-01-179-5383INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
12852
3020-01-297-9109INTERCHANGEABLE
GEAR,SPUR
12852
4820-01-425-3690INTERCHANGEABLE
VALVE ASSEMBLY,MANIFOLD
5120-01-585-8829INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC

Frequently Asked Questions

What is NSN 5307-00-373-8632?

NSN 5307-00-373-8632 is a Stud,locked in, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5307 (No Item Name Available). Status: active.

What are the part numbers for NSN 5307-00-373-8632?

NSN 5307-00-373-8632 has 1 cross-referenced part number: 12852 (Triumph Engine Control Systems Llc).

What NSN replaces 5307-00-373-8632?

There are 7 known substitutes for 5307-00-373-8632: 5306-00-298-8655, 5950-00-417-4376, 1650-00-691-3043 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12852?

Key specifications for 12852: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) STUD THREAD; Distance From Serrated Portion to Stud End: 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM IN; Thread Class: 3A STUD THREAD A; Thread Quantity Per Inch: 16 STUD THREAD. 21 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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