PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

101146Screw,machine

Hillman Group, Inc., the · NSN 5305-00-958-5250 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-958-5250 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-958-5250. Primary manufacturer part number: 101146.
Features
  • Screw,machine — FSC 5305
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 20
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Minimum Tensile Strength: 60000 POUNDS PER SQUARE INCH LBS
  • Screw Surface Treatment: ZINC
  • Thread Class: 2A A
  • Internal Drive Style: CROSS RECESS TYPE 1
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-958-5250, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hillman Group, Inc., the. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN5305-00-958-5250
Primary Part Number101146
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerHillman Group, Inc., the
StatusCANCELLED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch20
Nominal Thread Diameter0.250 INCHES IN
Minimum Tensile Strength60000 POUNDS PER SQUARE INCH LBS
Screw Surface TreatmentZINC
Thread Class2A A
Internal Drive StyleCROSS RECESS TYPE 1
Screw MaterialSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1013
Thread DirectionRIGHT-HAND
Fastener Length3.000 INCHES NOMINAL IN
Head Diameter0.500 INCHES NOMINAL IN
Head StyleFLAT COUNTERSUNK
Screw Material Document and Classification66 FED STD ALL MATERIAL RESPONSES
Countersink Angle80.0 DEGREES NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-059-8256 INTERCHANGEABLE
Screw,machine
5305-00-206-3713 INTERCHANGEABLE
Screw,machine
5350-00-255-7736706 INTERCHANGEABLE
Wool,metallic
Palmer Engineered Products, Inc
5915-00-461-5491101146 INTERCHANGEABLE
Filter,electrical
Aimtron Systems, Llc
5310-00-550-1598 INTERCHANGEABLE
Nut,plain,hexagon
5305-00-579-2097 INTERCHANGEABLE
Screw,machine
5999-00-609-3131101146 INTERCHANGEABLE
Plate,electrical Shield
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5305-00-637-4506 INTERCHANGEABLE
Screw,machine
5305-00-950-4353 INTERCHANGEABLE
Screw,machine
5305-00-958-5247101139 INTERCHANGEABLE
Screw,machine
Hillman Group, Inc., the
Cross-Reference Index
Part NumberManufacturer
101146 PRIMARY Hillman Group, Inc., the (USA)
ANSI B18.6.3 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
ASTM B18.6.3 American Society for Testing and Materials Dba Astm International (USA)
MS35190-299 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
FF-S-92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5305-00-059-8256INTERCHANGEABLE
SCREW,MACHINE
5305-00-206-3713INTERCHANGEABLE
SCREW,MACHINE
5350-00-255-7736INTERCHANGEABLE
WOOL,METALLIC
706
5915-00-461-5491INTERCHANGEABLE
FILTER,ELECTRICAL
101146
5310-00-550-1598INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5305-00-579-2097INTERCHANGEABLE
SCREW,MACHINE
5999-00-609-3131INTERCHANGEABLE
PLATE,ELECTRICAL SHIELD
101146
5305-00-637-4506INTERCHANGEABLE
SCREW,MACHINE
5305-00-950-4353INTERCHANGEABLE
SCREW,MACHINE
5305-00-958-5247INTERCHANGEABLE
SCREW,MACHINE
101139
5305-00-958-5471INTERCHANGEABLE
SCREW,MACHINE
101077
5930-01-144-5154INTERCHANGEABLE
SWITCH,PRESSURE
D1T-A80

Frequently Asked Questions

What is NSN 5305-00-958-5250?

NSN 5305-00-958-5250 is a Screw,machine, manufactured by Hillman Group, Inc., the, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-958-5250?

NSN 5305-00-958-5250 has 5 cross-referenced part numbers: 101146 (Hillman Group, Inc., the), ANSI B18.6.3 (American National Standards Institute Incorporated Dba American National Standards Institute), ASTM B18.6.3 (American Society for Testing and Materials Dba Astm International), MS35190-299 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), FF-S-92 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5305-00-958-5250?

There are 12 known substitutes for 5305-00-958-5250: 5305-00-059-8256, 5305-00-206-3713, 5350-00-255-7736 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 101146?

Key specifications for 101146: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Thread Quantity Per Inch: 20; Nominal Thread Diameter: 0.250 INCHES IN; Minimum Tensile Strength: 60000 POUNDS PER SQUARE INCH LBS. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-958-5250 still in active supply?

NSN 5305-00-958-5250 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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