PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet
MRO / Hardware and Abrasives / 5305-00-021-3737

S135Screw,cap,hexagon Head

Cummins Inc. · NSN 5305-00-021-3737 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-021-3737 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-021-3737. Primary manufacturer part number: S135.
L 1.000 INCHES MINIMUM IN ⌀0.375 INCHES IN 16 BOLT/SCREW PROFILE
5305-00-021-3737 — No Item Name Available illustration
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Head Height: 0.281 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Thread Length: 1.000 INCHES MINIMUM IN
  • Material: STEEL OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Direction: RIGHT-HAND
  • Head Style: HEXAGON
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 5305-00-021-3737, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-021-3737
Primary Part NumberS135
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerCummins Inc.
StatusCANCELLED
Head Height0.281 INCHES NOMINAL IN
Nominal Thread Diameter0.375 INCHES IN
Thread Length1.000 INCHES MINIMUM IN
MaterialSTEEL OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread DirectionRIGHT-HAND
Head StyleHEXAGON
Width Between Flats0.562 INCHES NOMINAL IN
Fastener Length1.500 INCHES NOMINAL IN
Thread Class2A A
Thread Quantity Per Inch16
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
⇄ Verified Substitutes 10
5930-00-119-6626S135 INTERCHANGEABLE
Adapter,switch Actuator
Simmonds Precision Products Inc
3455-00-228-5228 INTERCHANGEABLE
Cutter,milling,end
1560-00-245-899410870-7 INTERCHANGEABLE
Cable Assembly,elev
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5306-00-292-59081755508 INTERCHANGEABLE
Bolt,machine
Naval Sea Systems Command
6130-00-682-99504U1 INTERCHANGEABLE
Rectifier,metallic
Dean Technology Inc. Dba Cke
5305-00-725-2317AES01C375A50AW9A91 INTERCHANGEABLE
Screw,cap,hexagon Head
The American Society of Mechanical Engineers
4240-01-268-1734 INTERCHANGEABLE
Spectacles,industrial
3460-01-355-6192S-135 INTERCHANGEABLE
Sleeve,expansion Mandrel
Sunnen Products Co
4820-01-433-6946LSXMK INTERCHANGEABLE
Parts Kit,anti Surge Sensor
Cps Products Inc
6110-01-467-7036S-135 INTERCHANGEABLE
Cw Channel Assy,a7
Caes Systems Llc
Cross-Reference Index
Part NumberManufacturer
S135 PRIMARY Cummins Inc. (USA)
M258 PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
108707 PRIMARY Cummins Inc. (USA)
Related Parts
5930-00-119-6626INTERCHANGEABLE
ADAPTER,SWITCH ACTUATOR
S135
3455-00-228-5228INTERCHANGEABLE
CUTTER,MILLING,END
1560-00-245-8994INTERCHANGEABLE
CABLE ASSEMBLY,ELEV
10870-7
5306-00-292-5908INTERCHANGEABLE
BOLT,MACHINE
1755508
6130-00-682-9950INTERCHANGEABLE
RECTIFIER,METALLIC
4U1
5305-00-725-2317INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
AES01C375A50AW9A91
4240-01-268-1734INTERCHANGEABLE
SPECTACLES,INDUSTRIAL
3460-01-355-6192INTERCHANGEABLE
SLEEVE,EXPANSION MANDREL
S-135
4820-01-433-6946INTERCHANGEABLE
PARTS KIT,ANTI SURGE SENSOR
LSXMK
6110-01-467-7036INTERCHANGEABLE
CW CHANNEL ASSY,A7
S-135

Frequently Asked Questions

What is NSN 5305-00-021-3737?

NSN 5305-00-021-3737 is a Screw,cap,hexagon Head, manufactured by Cummins Inc., classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-021-3737?

NSN 5305-00-021-3737 has 3 cross-referenced part numbers: S135 (Cummins Inc.), M258 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 108707 (Cummins Inc.).

What NSN replaces 5305-00-021-3737?

There are 10 known substitutes for 5305-00-021-3737: 5930-00-119-6626, 3455-00-228-5228, 1560-00-245-8994 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S135?

Key specifications for S135: Head Height: 0.281 INCHES NOMINAL IN; Nominal Thread Diameter: 0.375 INCHES IN; Thread Length: 1.000 INCHES MINIMUM IN; Material: STEEL OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-021-3737 still in active supply?

NSN 5305-00-021-3737 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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