PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

72124Screw,cap,socket Head

H-K Connecticut Holding Company · NSN 5305-00-526-2347 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-526-2347 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-526-2347. Primary manufacturer part number: 72124.
Features
  • Screw,cap,socket Head — FSC 5305
  • Surface Treatment: OXIDE OVERALL
  • Thread Quantity Per Inch: 18
  • Specification/standard Data: 80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Material: STEEL OVERALL
  • Internal Drive Style: HEXAGON
  • Head Diameter: 0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
  • Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
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 5305-00-526-2347, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 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
NSN5305-00-526-2347
Primary Part Number72124
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerH-K Connecticut Holding Company
StatusCANCELLED
Surface TreatmentOXIDE OVERALL
Thread Quantity Per Inch18
Specification/standard Data80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Internal Drive StyleHEXAGON
Head Diameter0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
Hardness Rating38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
Head StyleFLAT CHAMFER
Minimum Tensile Strength170000 POUNDS PER SQUARE INCH LBS
Width Across Flats0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
Thread Class3A A
Thread DirectionRIGHT-HAND
Thread Length0.623 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN
Thread Series DesignatorUNRC
Head Height0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Fastener Length0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN
Nominal Thread Diameter0.312 INCHES IN
Minimum Yield Strength150000 POUNDS PER SQUARE INCH LBS
Surface Treatment Document and ClassificationMIL-C-13924,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-0734 INTERCHANGEABLE
Cone and Rollers,tapered Roller
5905-00-101-995772124 INTERCHANGEABLE
Resistor,fixed,composition
L3harris Technologies, Inc. Dba Harris Corporation
1650-00-302-4250 INTERCHANGEABLE
Cylinder,actuating,linear
5905-00-308-6937 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
2915-00-439-931272124 INTERCHANGEABLE
Cover and Pin Assembly,governor
Triumph Engine Control Systems Llc
2530-00-460-6229 INTERCHANGEABLE
Parts Kit,hydraulic Brake Master
3030-00-528-3767 INTERCHANGEABLE
Belt,v
5120-00-541-46875120-00-541-4687 INTERCHANGEABLE
Inserter and Remover,pneumatic T
General Services Administration Federal Supply Service
3040-00-545-173272124 INTERCHANGEABLE
Gearshaft,spur
L3harris Technologies, Inc Div Space & Airborne Systems
4720-01-049-62972-688 INTERCHANGEABLE
Hose Assembly,nonmetallic
Maytag Corporation Dba Maytag Appliancessales
Cross-Reference Index
Part NumberManufacturer
02688 Melun Hydraulique (FRA)
02688 Degremont Jf Sa (FRA)
PWA82004-20 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
2688 Degremont Jf Sa (FRA)
72124 PRIMARY H-K Connecticut Holding Company (USA)
NAS1352-5-12 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
02688 Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools (USA)
02688 Daimler Truck North America Llc (USA)
Related Parts
3110-00-100-0734INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
5905-00-101-9957INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
72124
1650-00-302-4250INTERCHANGEABLE
CYLINDER,ACTUATING,LINEAR
5905-00-308-6937INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
2915-00-439-9312INTERCHANGEABLE
COVER AND PIN ASSEMBLY,GOVERNOR
72124
2530-00-460-6229INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE MASTER
3030-00-528-3767INTERCHANGEABLE
BELT,V
5120-00-541-4687INTERCHANGEABLE
INSERTER AND REMOVER,PNEUMATIC T
5120-00-541-4687
3040-00-545-1732INTERCHANGEABLE
GEARSHAFT,SPUR
72124
4720-01-049-6297INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
2-688
5905-01-080-6518INTERCHANGEABLE
RESISTOR SET,MATCHED
020688
5995-01-088-1693INTERCHANGEABLE
CABLE ASSEMBLY,SPEC
2688

Frequently Asked Questions

What is NSN 5305-00-526-2347?

NSN 5305-00-526-2347 is a Screw,cap,socket Head, manufactured by H-K Connecticut Holding Company, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-526-2347?

NSN 5305-00-526-2347 has 8 cross-referenced part numbers: 02688 (Melun Hydraulique), 02688 (Degremont Jf Sa), PWA82004-20 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 2688 (Degremont Jf Sa), 72124 (H-K Connecticut Holding Company) and 3 more.

What NSN replaces 5305-00-526-2347?

There are 12 known substitutes for 5305-00-526-2347: 3110-00-100-0734, 5905-00-101-9957, 1650-00-302-4250 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 72124?

Key specifications for 72124: Surface Treatment: OXIDE OVERALL; Thread Quantity Per Inch: 18; Specification/standard Data: 80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Material: STEEL OVERALL. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-526-2347 still in active supply?

NSN 5305-00-526-2347 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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