PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

64010Screw,cap,socket Head

H-K Connecticut Holding Company · NSN 5305-01-432-6253 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-432-6253 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-432-6253. Primary manufacturer part number: 64010.
Features
  • Screw,cap,socket Head — FSC 5305
  • Fastener Length: 0.375 INCHES NOMINAL IN
  • Thread Length: 0.313 INCHES MAXIMUM IN
  • Head Diameter: 0.250 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 32
  • Width Across Flats: 0.078 INCHES NOMINAL IN
  • Head Style: BUTTON
  • Thread Series Designator: UNRC
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 5305-01-432-6253, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-432-6253
Primary Part Number64010
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerH-K Connecticut Holding Company
StatusACTIVE
Fastener Length0.375 INCHES NOMINAL IN
Thread Length0.313 INCHES MAXIMUM IN
Head Diameter0.250 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Width Across Flats0.078 INCHES NOMINAL IN
Head StyleBUTTON
Thread Series DesignatorUNRC
Thread DirectionRIGHT-HAND
Internal Drive StyleHEXAGON
MaterialSTEEL OVERALL
Thread Class3A A
Head Height0.063 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Nominal Thread Diameter0.138 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-100-07352689 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5915-00-496-20102920137-10 INTERCHANGEABLE
Filter,band Pass
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5920-00-519-69261105505 INTERCHANGEABLE
Fuse Link,electrical
Westinghouse Electric Corp
4330-00-932-751664010 INTERCHANGEABLE
Filter Body,fluid
Pti Technologies Inc.
5961-01-155-491164010 INTERCHANGEABLE
Transistor
U S Dept of Transportation Federal Aviation Administration
2010-01-174-428364010 INTERCHANGEABLE
Seal Ring Adaptor
Defense Maritime Solutions, Inc.
5950-01-269-900064-010 INTERCHANGEABLE
Transformer,power
Rapid Power Technologies Inc
4730-01-479-193464010H B INTERCHANGEABLE
Clamp,hose
Norma Pennsylvania Inc. Div Breeze Industrial Products
5975-01-533-967564010 INTERCHANGEABLE
Coupling,electrical Conduit
Helix Wire Corp
Cross-Reference Index
Part NumberManufacturer
20016 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
20016 Eaton Aviation Corporation (USA)
64010 PRIMARY H-K Connecticut Holding Company (USA)
Related Parts
3110-00-100-0735INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
2689
5915-00-496-2010INTERCHANGEABLE
FILTER,BAND PASS
2920137-10
5920-00-519-6926INTERCHANGEABLE
FUSE LINK,ELECTRICAL
1105505
4330-00-932-7516INTERCHANGEABLE
FILTER BODY,FLUID
64010
5961-01-155-4911INTERCHANGEABLE
TRANSISTOR
64010
2010-01-174-4283INTERCHANGEABLE
SEAL RING ADAPTOR
64010
5950-01-269-9000INTERCHANGEABLE
TRANSFORMER,POWER
64-010
4730-01-479-1934INTERCHANGEABLE
CLAMP,HOSE
64010H B
5975-01-533-9675INTERCHANGEABLE
COUPLING,ELECTRICAL CONDUIT
64010

Frequently Asked Questions

What is NSN 5305-01-432-6253?

NSN 5305-01-432-6253 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 5305-01-432-6253?

NSN 5305-01-432-6253 has 3 cross-referenced part numbers: 20016 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 20016 (Eaton Aviation Corporation), 64010 (H-K Connecticut Holding Company).

What NSN replaces 5305-01-432-6253?

There are 9 known substitutes for 5305-01-432-6253: 3110-00-100-0735, 5915-00-496-2010, 5920-00-519-6926 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 64010?

Key specifications for 64010: Fastener Length: 0.375 INCHES NOMINAL IN; Thread Length: 0.313 INCHES MAXIMUM IN; Head Diameter: 0.250 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN; Thread Quantity Per Inch: 32. 13 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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