PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

179837Screw,cap,hexagon Head

Hatch & Kirk, Inc. · NSN 5305-00-017-9837 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-017-9837 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-017-9837. Primary manufacturer part number: 179837.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Quantity Per Inch: 16
  • Thread Class: 2A A
  • Hardness Rating: 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
  • Material: STEEL OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Width Between Flats: 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
  • 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 5305-00-017-9837, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hatch & Kirk, Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 28 commercial cross-references from 24 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
NSN5305-00-017-9837
Primary Part Number179837
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerHatch & Kirk, Inc.
StatusCANCELLED
Thread Quantity Per Inch16
Thread Class2A A
Hardness Rating23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
MaterialSTEEL OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Width Between Flats0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Head StyleHEXAGON
Minimum Tensile Strength120000 POUNDS PER SQUARE INCH LBS
Thread Length0.750 INCHES NOMINAL IN
Fastener Length0.750 INCHES NOMINAL IN
Nominal Thread Diameter0.375 INCHES IN
Head Height0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-012-0638 INTERCHANGEABLE
Washer,lock
2930-00-065-70481539867 INTERCHANGEABLE
Impeller,fan,axial
Naval Sea Systems Command
5905-00-141-1168RLR20C2201GS INTERCHANGEABLE
Resistor,fixed,composition
Vishay Dale Electronics, Llc Div Vishay Americas
5305-00-207-766910896744-2 INTERCHANGEABLE
Screw,cap,hexagon Head
U S Army Tank Automotive Command Amsta-Im-Mm
2840-00-320-2344179837 INTERCHANGEABLE
Spacer,tube Seal
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
6625-00-427-4513204D INTERCHANGEABLE
Generator,signal
Hewlett-Packard Company Dba HP
5331-00-476-7498AS568B-278/GRM3CH714A25B34E0 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
4820-00-554-8712424 3-8 INTERCHANGEABLE
Valve,gate
Crane Co Div Valve Div
5360-00-999-2682391271 INTERCHANGEABLE
Spring,helical,compression
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5310-01-060-5931S226 INTERCHANGEABLE
Nut,plain,hexagon
Cummins Inc.
Cross-Reference Index
Part NumberManufacturer
179837 Hatch & Kirk, Inc. (USA)
2X33 Kenworth Truck Co a Div of Paccar Inc (USA)
S56-06 Garwood/feller Inc Garwood Winch Div (USA)
391271 White Motor Corp (USA)
802285 Acme Tool and Machine Co Inc (USA)
1C612 Clark Material Handling Company (USA)
204D Paccar Government Group Co Yarrow Bay Office Pk (USA)
2X33 Corbitt Co Inc (USA)
S122119 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
103222 Garwood/feller Inc Garwood Winch Div (USA)
MILS933TYPEA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
12A7037 Napco International Llc Dba Napco International Inc (USA)
1C612 Clark Equipment Co (USA)
MS35295-58 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
227476 General Motors Corp (USA)
179837 General Motors Corp (USA)
NL194 Renk America Llc Div Renk America (USA)
7371908 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
204D Dana Corp Spicer Transmission Div (USA)
S266 Kaitlin Corp (USA)
Related Parts
5310-00-012-0638INTERCHANGEABLE
WASHER,LOCK
2930-00-065-7048INTERCHANGEABLE
IMPELLER,FAN,AXIAL
1539867
5905-00-141-1168INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
RLR20C2201GS
5305-00-207-7669INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
10896744-2
2840-00-320-2344INTERCHANGEABLE
SPACER,TUBE SEAL
179837
6625-00-427-4513INTERCHANGEABLE
GENERATOR,SIGNAL
204D
5331-00-476-7498INTERCHANGEABLE
O-RING
AS568B-278/GRM3CH714A25B34E0
4820-00-554-8712INTERCHANGEABLE
VALVE,GATE
424 3-8
5360-00-999-2682INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
391271
5310-01-060-5931INTERCHANGEABLE
NUT,PLAIN,HEXAGON
S226
5930-01-062-2487INTERCHANGEABLE
SWITCH,ROTARY
3280081
6625-01-067-0249INTERCHANGEABLE
GENERATOR,SIGNAL

Frequently Asked Questions

What is NSN 5305-00-017-9837?

NSN 5305-00-017-9837 is a Screw,cap,hexagon Head, manufactured by Hatch & Kirk, Inc., classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-017-9837?

NSN 5305-00-017-9837 has 28 cross-referenced part numbers: 179837 (Hatch & Kirk, Inc.), 2X33 (Kenworth Truck Co a Div of Paccar Inc), S56-06 (Garwood/feller Inc Garwood Winch Div), 391271 (White Motor Corp), 802285 (Acme Tool and Machine Co Inc) and 23 more.

What NSN replaces 5305-00-017-9837?

There are 12 known substitutes for 5305-00-017-9837: 5310-00-012-0638, 2930-00-065-7048, 5905-00-141-1168 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 179837?

Key specifications for 179837: Thread Quantity Per Inch: 16; Thread Class: 2A A; Hardness Rating: 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL; Material: STEEL OVERALL. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-017-9837 still in active supply?

NSN 5305-00-017-9837 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.
PartsTable Design LLC · partstable.com