PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

60X3210Screw,cap,hexagon Head

Napco International Llc Dba Napco International Inc · NSN 5305-00-576-6987 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-576-6987 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-576-6987. Primary manufacturer part number: 60X3210.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Material: STEEL OVERALL
  • Minimum Yield Strength: 120000 POUNDS PER SQUARE INCH LBS
  • Thread Series Designator: UNF
  • Head Style: HEXAGON
  • Hardness Rating: 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
  • Thread Class: 2A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-576-6987, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Napco International Llc Dba Napco International Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 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
NSN5305-00-576-6987
Primary Part Number60X3210
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNapco International Llc Dba Napco International Inc
StatusCANCELLED
Nominal Thread Diameter0.375 INCHES IN
MaterialSTEEL OVERALL
Minimum Yield Strength120000 POUNDS PER SQUARE INCH LBS
Thread Series DesignatorUNF
Head StyleHEXAGON
Hardness Rating23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
Thread Class2A A
Width Between Flats0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Thread Quantity Per Inch24
Thread Length1.000 INCHES NOMINAL IN
Fastener Length1.500 INCHES NOMINAL IN
Surface TreatmentCADMIUM OR ZINC OVERALL
Thread DirectionRIGHT-HAND
Head Height0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5340-00-329-4419S125 INTERCHANGEABLE
Button,plug
Egs Electrical Group Appleton Div
5330-00-345-2265S12-5 INTERCHANGEABLE
Retainer,packing
Arkwin Industries, Inc. Dba Arkwin Industries Inc
5930-00-412-1056 INTERCHANGEABLE
Switch,knife
5998-00-460-04486723-00386 INTERCHANGEABLE
Circuit Card Assembly
Bae Systems (operations) Limited
5998-00-460-04536723-00407 INTERCHANGEABLE
Circuit Card Assembly
Bae Systems (operations) Limited
5930-00-486-7052 INTERCHANGEABLE
Adapter,switch Actuator
5930-00-661-0693S1-25 INTERCHANGEABLE
Switch,sensitive
Safran Power Usa, Llc
3455-00-812-3584 INTERCHANGEABLE
Cutter,milling,end
3020-00-883-7818S16-5 INTERCHANGEABLE
Sprocket Wheel
Norwalk Compreseer Company Inc Dba Norwalk Compressor Company
5999-00-953-1716 INTERCHANGEABLE
Heater,thermal Release
Cross-Reference Index
Part NumberManufacturer
60X3210 PRIMARY Napco International Llc Dba Napco International Inc (USA)
181643 General Motors Corp (USA)
181643 General Motors Llc Dba General Motors Llc (USA)
181643 International Harvester Co Agricultural Equipment Div (USA)
S125 PRIMARY Cummins Inc. (USA)
S-125 Cummins Ltd (GBR)
S165 Cummins Inc. (USA)
Related Parts
5340-00-329-4419INTERCHANGEABLE
BUTTON,PLUG
S125
5330-00-345-2265INTERCHANGEABLE
RETAINER,PACKING
S12-5
5930-00-412-1056INTERCHANGEABLE
SWITCH,KNIFE
5998-00-460-0448INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
6723-00386
5998-00-460-0453INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
6723-00407
5930-00-486-7052INTERCHANGEABLE
ADAPTER,SWITCH ACTUATOR
5930-00-661-0693INTERCHANGEABLE
SWITCH,SENSITIVE
S1-25
3455-00-812-3584INTERCHANGEABLE
CUTTER,MILLING,END
3020-00-883-7818INTERCHANGEABLE
SPROCKET WHEEL
S16-5
5999-00-953-1716INTERCHANGEABLE
HEATER,THERMAL RELEASE
5305-01-060-5343INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
4820-01-156-9859INTERCHANGEABLE
VALVE,SHUTTLE
S-125

Frequently Asked Questions

What is NSN 5305-00-576-6987?

NSN 5305-00-576-6987 is a Screw,cap,hexagon Head, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-576-6987?

NSN 5305-00-576-6987 has 7 cross-referenced part numbers: 60X3210 (Napco International Llc Dba Napco International Inc), 181643 (General Motors Corp), 181643 (General Motors Llc Dba General Motors Llc), 181643 (International Harvester Co Agricultural Equipment Div), S125 (Cummins Inc.) and 2 more.

What NSN replaces 5305-00-576-6987?

There are 12 known substitutes for 5305-00-576-6987: 5340-00-329-4419, 5330-00-345-2265, 5930-00-412-1056 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 60X3210?

Key specifications for 60X3210: Nominal Thread Diameter: 0.375 INCHES IN; Material: STEEL OVERALL; Minimum Yield Strength: 120000 POUNDS PER SQUARE INCH LBS; Thread Series Designator: UNF. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-576-6987 still in active supply?

NSN 5305-00-576-6987 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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