PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

76184Screw,cap,socket Head

H-K Connecticut Holding Company · NSN 5305-01-668-1978 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-668-1978 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-668-1978. Primary manufacturer part number: 76184.
Features
  • Screw,cap,socket Head — FSC 5305
  • Surface Treatment: BLACK CHEMICAL FINISH OVERALL
  • Width Across Flats: 5.0 MILLIMETERS NOMINAL MM
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Diameter: 6.0 MILLIMETERS MM
  • Internal Drive Style: HEXAGON
  • Thread Pitch in Millimeters: 1.0
  • Fastener Length: 35.0 MILLIMETERS NOMINAL MM
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Property Class 10.9 Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-668-1978, 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 10 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-668-1978
Primary Part Number76184
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerH-K Connecticut Holding Company
StatusACTIVE
Surface TreatmentBLACK CHEMICAL FINISH OVERALL
Width Across Flats5.0 MILLIMETERS NOMINAL MM
Thread DirectionRIGHT-HAND
Nominal Thread Diameter6.0 MILLIMETERS MM
Internal Drive StyleHEXAGON
Thread Pitch in Millimeters1.0
Fastener Length35.0 MILLIMETERS NOMINAL MM
Head StylePAN NO. 2
Thread Series DesignatorM
MaterialSTEEL PROPERTY CLASS 10.9 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
1650-00-321-620286044 INTERCHANGEABLE
Bar,lock,hydraulic
Hydro-Aire Aerospace Corp
1610-00-483-711176184 INTERCHANGEABLE
Shaft-Cam---Appl 40
Hamilton Sundstrand Corporation Dba Collins Aerospace
5310-00-882-1183186044 INTERCHANGEABLE
Washer,flat
Woodward, Inc.
3610-01-074-092776184 INTERCHANGEABLE
Roller,water Ductor
Abd Intl Inc Dba Abdick
6105-01-181-444086-044 INTERCHANGEABLE
Motor,alternating Current
Delta Intl Machinery Corp
6620-01-202-467376184 INTERCHANGEABLE
Indicator,position
Griswold Industries Dba Cla-Val Co
3433-01-205-02578-6044 INTERCHANGEABLE
Tip,cutting Torch
Thermal Dynamics Corp
5935-01-245-14318604412SP-3 INTERCHANGEABLE
Adapter,connector
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
5930-01-260-140676-184 INTERCHANGEABLE
Switch,pressure
Rix Industries
2610-01-311-685309807 INTERCHANGEABLE
Tire,pneumatic,vehicular
Michelin North America, Inc Dba Michelin North America, Inc
Cross-Reference Index
Part NumberManufacturer
76184 PRIMARY H-K Connecticut Holding Company (USA)
86044 Fastenal Company Dba Fastenal Co (USA)
Related Parts
1650-00-321-6202INTERCHANGEABLE
BAR,LOCK,HYDRAULIC
86044
1610-00-483-7111INTERCHANGEABLE
SHAFT-CAM---APPL 40
76184
5310-00-882-1183INTERCHANGEABLE
WASHER,FLAT
186044
3610-01-074-0927INTERCHANGEABLE
ROLLER,WATER DUCTOR
76184
6105-01-181-4440INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
86-044
6620-01-202-4673INTERCHANGEABLE
INDICATOR,POSITION
76184
3433-01-205-0257INTERCHANGEABLE
TIP,CUTTING TORCH
8-6044
5935-01-245-1431INTERCHANGEABLE
ADAPTER,CONNECTOR
8604412SP-3
5930-01-260-1406INTERCHANGEABLE
SWITCH,PRESSURE
76-184
2610-01-311-6853INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
09807

Frequently Asked Questions

What is NSN 5305-01-668-1978?

NSN 5305-01-668-1978 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 5305-01-668-1978?

NSN 5305-01-668-1978 has 2 cross-referenced part numbers: 76184 (H-K Connecticut Holding Company), 86044 (Fastenal Company Dba Fastenal Co).

What NSN replaces 5305-01-668-1978?

There are 10 known substitutes for 5305-01-668-1978: 1650-00-321-6202, 1610-00-483-7111, 5310-00-882-1183 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 76184?

Key specifications for 76184: Surface Treatment: BLACK CHEMICAL FINISH OVERALL; Width Across Flats: 5.0 MILLIMETERS NOMINAL MM; Thread Direction: RIGHT-HAND; Nominal Thread Diameter: 6.0 MILLIMETERS MM. 11 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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