PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

365SZ37Setscrew

Mack Trucks Inc Parts Opn · NSN 5305-00-281-1616 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-281-1616 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-281-1616. Primary manufacturer part number: 365SZ37.
Features
  • Setscrew — FSC 5305
  • Point Length: 0.625 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Point Diameter: 0.250 INCHES NOMINAL IN
  • Thread Class: 2A A
  • Head Style: SQUARE
  • Fastener Length: 2.500 INCHES NOMINAL IN
  • Material Document and Classification: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Applications requiring Steel Comp 1010 Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-281-1616, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mack Trucks Inc Parts Opn. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 9 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
NSN5305-00-281-1616
Primary Part Number365SZ37
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMack Trucks Inc Parts Opn
StatusACTIVE
Point Length0.625 INCHES NOMINAL IN
Nominal Thread Diameter0.375 INCHES IN
Point Diameter0.250 INCHES NOMINAL IN
Thread Class2A A
Head StyleSQUARE
Fastener Length2.500 INCHES NOMINAL IN
Material Document and ClassificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Point Chamfer Angle80.0 DEGREES NOMINAL
Point StyleCONE
MaterialSTEEL COMP 1010 OVERALL
Head Height0.312 INCHES NOMINAL IN
Thread Quantity Per Inch16
Thread DirectionRIGHT-HAND
Internal Drive StyleW/O INTERNAL DRIVE
Width Between Flats0.375 INCHES NOMINAL IN
Thread Length2.438 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5305-00-276-8228C604 INTERCHANGEABLE
Setscrew
Morris Material Handling, Inc.
5305-00-285-5577153442 INTERCHANGEABLE
Screw,machine
Telemechanics Inc
4720-00-443-47461120-4A-BLK-1000 INTERCHANGEABLE
Tubing,nonmetallic
Parker-Hannifin Corp Div Parflex Division
5340-00-497-5400C604 INTERCHANGEABLE
Loop,strap Fastener
Band-It-Idex Inc Unit of Idex Corp
5950-00-575-14502535085-16 INTERCHANGEABLE
Transformer,radio Frequency
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5305-00-857-5867 INTERCHANGEABLE
Screw,machine
4730-01-148-5006 INTERCHANGEABLE
Coupling Assembly,quick Disconne
6650-01-640-6941C-604 INTERCHANGEABLE
Magnifier
Donegan Optical Company Inc
4730-01-656-1693C-604 INTERCHANGEABLE
Coupling Assembly,quick Disconne
Enerpac Tool Group Corp
Cross-Reference Index
Part NumberManufacturer
35755004 Kaitlin Corp (USA)
365SZ37 PRIMARY Mack Trucks Inc Parts Opn (USA)
153442 Brockway Motor Trucks Div of Mack Trucks Inc (USA)
365SZ50 PRIMARY Mack Trucks Inc Parts Opn (USA)
10B21245 PRIMARY Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
365SZA50 PRIMARY Mack Trucks Inc Parts Opn (USA)
C604 Corbitt Co Inc (USA)
C604 Acco Industries Inc Sub of Babcock Intl Inc (USA)
C604 PRIMARY Detroit Diamond Drilling, Inc. (USA)
360444 White Motor Corp (USA)
18844C Diamond Reo Truck Co (USA)
10B21245 White Motor Corp (USA)
Related Parts
5305-00-276-8228INTERCHANGEABLE
SETSCREW
C604
5305-00-285-5577INTERCHANGEABLE
SCREW,MACHINE
153442
4720-00-443-4746INTERCHANGEABLE
TUBING,NONMETALLIC
1120-4A-BLK-1000
5340-00-497-5400INTERCHANGEABLE
LOOP,STRAP FASTENER
C604
5950-00-575-1450INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
2535085-16
5305-00-857-5867INTERCHANGEABLE
SCREW,MACHINE
4730-01-148-5006INTERCHANGEABLE
COUPLING ASSEMBLY,QUICK DISCONNE
6650-01-640-6941INTERCHANGEABLE
MAGNIFIER
C-604
4730-01-656-1693INTERCHANGEABLE
COUPLING ASSEMBLY,QUICK DISCONNE
C-604

Frequently Asked Questions

What is NSN 5305-00-281-1616?

NSN 5305-00-281-1616 is a Setscrew, manufactured by Mack Trucks Inc Parts Opn, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-281-1616?

NSN 5305-00-281-1616 has 12 cross-referenced part numbers: 35755004 (Kaitlin Corp), 365SZ37 (Mack Trucks Inc Parts Opn), 153442 (Brockway Motor Trucks Div of Mack Trucks Inc), 365SZ50 (Mack Trucks Inc Parts Opn), 10B21245 (Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)) and 7 more.

What NSN replaces 5305-00-281-1616?

There are 9 known substitutes for 5305-00-281-1616: 5305-00-276-8228, 5305-00-285-5577, 4720-00-443-4746 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 365SZ37?

Key specifications for 365SZ37: Point Length: 0.625 INCHES NOMINAL IN; Nominal Thread Diameter: 0.375 INCHES IN; Point Diameter: 0.250 INCHES NOMINAL IN; Thread Class: 2A A. 17 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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