PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73102Screw,cap,socket Head

H-K Connecticut Holding Company · NSN 5305-01-592-6740 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-592-6740 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-592-6740. Primary manufacturer part number: 73102.
Features
  • Screw,cap,socket Head — FSC 5305
  • Material Document and Classification: ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Head Style: FLAT FILLISTER
  • Head Height: 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
  • Width Across Flats: 0.312 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 24
  • Thread Class: 3A A
  • Thread Length: 0.750 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-592-6740, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is H-K Connecticut Holding Company. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, 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
NSN5305-01-592-6740
Primary Part Number73102
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerH-K Connecticut Holding Company
StatusACTIVE
Material Document and ClassificationASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Head StyleFLAT FILLISTER
Head Height0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Width Across Flats0.312 INCHES NOMINAL IN
Thread Quantity Per Inch24
Thread Class3A A
Thread Length0.750 INCHES NOMINAL IN
Nominal Thread Diameter0.375 INCHES IN
Head Diameter0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Internal Drive StyleHEXAGON
Fastener Length0.750 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNF
Hardness Rating38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
Surface TreatmentOXIDE OVERALL
ColorBLACK OVERALL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-050-3345 INTERCHANGEABLE
Nut,self-Locking,hexagon
5910-00-234-2567212678-3 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5910-00-235-0892 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
4730-00-375-70543600-06REVAPCA INTERCHANGEABLE
Coupling,pipe
Electric Boat Corporation Div General Dynamics Electric Boat
4730-00-630-0593MLV91313Z INTERCHANGEABLE
Clamp,hose
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5999-00-686-3917DL1000L10-706B INTERCHANGEABLE
Delay Line
P C a Electronics Inc
5330-00-771-590925078 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5325-00-869-95932507843 INTERCHANGEABLE
Ring,retaining
Chrysler Realty Company Llc Dba Daimler Chrysler
6110-01-095-0277EVR312002 INTERCHANGEABLE
Regulator,voltage
Staco Energy Products Co Dba Staco Energy Products Co
5310-01-110-5257 INTERCHANGEABLE
Nut,plain,cap
Cross-Reference Index
Part NumberManufacturer
73102 PRIMARY H-K Connecticut Holding Company (USA)
25078 Ares, Inc (USA)
25078-43 Ares, Inc (USA)
20097-6F-12B Sps Technologies Inc Unbrako Div (USA)
20097-6F-12B PRIMARY Sps Technologies Afg Div (USA)
Related Parts
5310-00-050-3345INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5910-00-234-2567INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
212678-3
5910-00-235-0892INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
4730-00-375-7054INTERCHANGEABLE
COUPLING,PIPE
3600-06REVAPCA
4730-00-630-0593INTERCHANGEABLE
CLAMP,HOSE
MLV91313Z
5999-00-686-3917INTERCHANGEABLE
DELAY LINE
DL1000L10-706B
5330-00-771-5909INTERCHANGEABLE
SEAL,PLAIN ENCASED
25078
5325-00-869-9593INTERCHANGEABLE
RING,RETAINING
2507843
6110-01-095-0277INTERCHANGEABLE
REGULATOR,VOLTAGE
EVR312002
5310-01-110-5257INTERCHANGEABLE
NUT,PLAIN,CAP
2920-01-137-8043INTERCHANGEABLE
WIRE ASSEMBLY
3040-01-203-7743INTERCHANGEABLE
PLATE,BACKING,BRAKE
25078

Frequently Asked Questions

What is NSN 5305-01-592-6740?

NSN 5305-01-592-6740 is a Screw,cap,socket Head, manufactured by H-K Connecticut Holding Company, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-592-6740?

NSN 5305-01-592-6740 has 5 cross-referenced part numbers: 73102 (H-K Connecticut Holding Company), 25078 (Ares, Inc), 25078-43 (Ares, Inc), 20097-6F-12B (Sps Technologies Inc Unbrako Div), 20097-6F-12B (Sps Technologies Afg Div).

What NSN replaces 5305-01-592-6740?

There are 12 known substitutes for 5305-01-592-6740: 5310-00-050-3345, 5910-00-234-2567, 5910-00-235-0892 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 73102?

Key specifications for 73102: Material Document and Classification: ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Head Style: FLAT FILLISTER; Head Height: 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Width Across Flats: 0.312 INCHES NOMINAL IN. 19 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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