PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

205697AStud,cylinder Head,special

Brinkley Technology Group Llc Dba Hercules Manufacturing · NSN 5307-00-739-6645 · FSC 5307 · No Item Name Available
Verified by PartsTable
NSN 5307-00-739-6645 — this item is cataloged by the U.S. Government under National Stock Number 5307-00-739-6645. Primary manufacturer part number: 205697A.
Features
  • Stud,cylinder Head,special — FSC 5307
  • General Characteristics Item Description: STEEL SAE 4140,RC26 MIN,RC 32 MAX ROCKWELL HARDNESS,TENSILE STRENGTH 150000 PSI MIN,7.000 IN. LG O/A,NUT END 0.750 IN. LG,THREAD SIZE 3/8-24,STUD END 0.750 IN. LG,THREAD SIZE 5/8-11,OTHER THREAD 1.625 FROM NUT END,1.000 IN. LG,THREAD SIZE 5/8-18,SHOULDER 5.375 IN. LG,0.625 IN. DIA,STEPPED TO 0.375 IN. DIA,1.625 IN. LG IN
  • 4 verified cross-references
  • Primary manufacturer: Brinkley Technology Group Llc Dba Hercules Manufacturing
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Stud,cylinder Head,special, cataloged under National Stock Number 5307-00-739-6645, is classified within Federal Supply Class 5307 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5307-00-739-6645
Primary Part Number205697A
Item NameStud,cylinder Head,special
FSC / FSG5307 / 53 — No Item Name Available
ManufacturerBrinkley Technology Group Llc Dba Hercules Manufacturing
StatusACTIVE
General Characteristics Item DescriptionSTEEL SAE 4140,RC26 MIN,RC 32 MAX ROCKWELL HARDNESS,TENSILE STRENGTH 150000 PSI MIN,7.000 IN. LG O/A,NUT END 0.750 IN. LG,THREAD SIZE 3/8-24,STUD END 0.750 IN. LG,THREAD SIZE 5/8-11,OTHER THREAD 1.625 FROM NUT END,1.000 IN. LG,THREAD SIZE 5/8-18,SHOULDER 5.375 IN. LG,0.625 IN. DIA,STEPPED TO 0.375 IN. DIA,1.625 IN. LG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4720-00-319-1229 INTERCHANGEABLE
Hose Assembly,nonmetallic
6110-01-073-3524P-108803 INTERCHANGEABLE
Contactor,magnetic
Illinois Tool Works, Inc. Div Magnaflux
Cross-Reference Index
Part NumberManufacturer
205697A PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
205697A Hercules Engine Co Inc (USA)
P1069 Bogue Systems Inc Dba Bogue Systems Inc (USA)
P1069 Bogue Electric Manufacturing Co (USA)
Related Parts
4720-00-319-1229INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
6110-01-073-3524INTERCHANGEABLE
CONTACTOR,MAGNETIC
P-108803

Frequently Asked Questions

What is NSN 5307-00-739-6645?

NSN 5307-00-739-6645 is a Stud,cylinder Head,special, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 5307 (No Item Name Available). Status: active.

What are the part numbers for NSN 5307-00-739-6645?

NSN 5307-00-739-6645 has 4 cross-referenced part numbers: 205697A (Brinkley Technology Group Llc Dba Hercules Manufacturing), 205697A (Hercules Engine Co Inc), P1069 (Bogue Systems Inc Dba Bogue Systems Inc), P1069 (Bogue Electric Manufacturing Co).

What NSN replaces 5307-00-739-6645?

There are 2 known substitutes for 5307-00-739-6645: 4720-00-319-1229, 6110-01-073-3524. Verify interchangeability with system specifications before substitution.

What are the specifications of 205697A?

Key specifications for 205697A: General Characteristics Item Description: STEEL SAE 4140,RC26 MIN,RC 32 MAX ROCKWELL HARDNESS,TENSILE STRENGTH 150000 PSI MIN,7.000 IN. LG O/A,NUT END 0.750 IN. LG,THREAD SIZE 3/8-24,STUD END 0.750 IN. LG,THREAD SIZE 5/8-11,OTHER THREAD 1.625 FROM NUT END,1.000 IN. LG,THREAD SIZE 5/8-18,SHOULDER 5.375 IN. LG,0.625 IN. DIA,STEPPED TO 0.375 IN. DIA,1.625 IN. LG IN. 1 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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