PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

179881Screw,cap,hexagon Head

International Harvester Co Agricultural Equipment Div · NSN 5305-00-017-9881 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-017-9881 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-017-9881. Primary manufacturer part number: 179881.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Nondefinitive Spec/std Data: 2 TYPE AND 10P STYLE AND 5 GRADE
  • Material: STEEL OVERALL
  • Hardness Rating: 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Minimum Tensile Strength: 120000 POUNDS PER SQUARE INCH LBS
  • Thread Class: 2A A
  • Head Height: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
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 5305-00-017-9881, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is International Harvester Co Agricultural Equipment Div. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-017-9881
Primary Part Number179881
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerInternational Harvester Co Agricultural Equipment Div
StatusACTIVE
Nondefinitive Spec/std Data2 TYPE AND 10P STYLE AND 5 GRADE
MaterialSTEEL OVERALL
Hardness Rating23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Minimum Tensile Strength120000 POUNDS PER SQUARE INCH LBS
Thread Class2A A
Head Height0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
Nominal Thread Diameter0.500 INCHES IN
Thread Quantity Per Inch13
Fastener Length1.000 INCHES NOMINAL IN
Width Between Flats0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Length1.000 INCHES NOMINAL IN
Head StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
9540-00-119-4898 INTERCHANGEABLE
Structural Section,special Shape
6350-00-480-14104099 INTERCHANGEABLE
Buzzer
Cole Hersee Company
4920-00-589-35134099 INTERCHANGEABLE
Sleeve,steering Piv
Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
9540-00-596-3036 INTERCHANGEABLE
Channel,structural
5950-00-861-2709X967 INTERCHANGEABLE
Transformer,power
Communication Coil, Inc. Div -
3455-01-041-4934 INTERCHANGEABLE
Cutter,blade
6685-01-178-47184-099 INTERCHANGEABLE
Thermometer,indicating,capillary
National Refrigeration & Air Conditioning Products Inc Dba Continental Refrigerator
9540-01-217-4126 INTERCHANGEABLE
Beam,structural
5305-01-296-77614099 INTERCHANGEABLE
Screw,cap,hexagon Head
Husco International Inc
5310-01-322-13924099 INTERCHANGEABLE
Nut,plain,hexagon
Technipower Llc Dba Unipower
Cross-Reference Index
Part NumberManufacturer
179881 International Harvester Co Agricultural Equipment Div (USA)
802365 American Hoist and Derrick Co
S288 Meritor Industrial Products, Llc (USA)
MS35295-109 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
179881 Navistar International Corporation Dba Navistar (USA)
X967 Paccar Government Group Co Yarrow Bay Office Pk (USA)
179881 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
179881 General Motors Corp (USA)
4099 Fwd Seagrave Holdings Lp (USA)
BCVX4KL CAGE 00000
802365 Terex American Crane Corp (USA)
S288 Meritor Heavy Vehicle Systems, Llc (USA)
Related Parts
9540-00-119-4898INTERCHANGEABLE
STRUCTURAL SECTION,SPECIAL SHAPE
6350-00-480-1410INTERCHANGEABLE
BUZZER
4099
4920-00-589-3513INTERCHANGEABLE
SLEEVE,STEERING PIV
4099
9540-00-596-3036INTERCHANGEABLE
CHANNEL,STRUCTURAL
5950-00-861-2709INTERCHANGEABLE
TRANSFORMER,POWER
X967
3455-01-041-4934INTERCHANGEABLE
CUTTER,BLADE
6685-01-178-4718INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
4-099
9540-01-217-4126INTERCHANGEABLE
BEAM,STRUCTURAL
5305-01-296-7761INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
4099
5310-01-322-1392INTERCHANGEABLE
NUT,PLAIN,HEXAGON
4099
5120-01-398-9202INTERCHANGEABLE
MIRROR,INSPECTION
00904099000
2530-01-422-7243INTERCHANGEABLE
BRAKE SHOE SET
802365

Frequently Asked Questions

What is NSN 5305-00-017-9881?

NSN 5305-00-017-9881 is a Screw,cap,hexagon Head, manufactured by International Harvester Co Agricultural Equipment Div, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-017-9881?

NSN 5305-00-017-9881 has 12 cross-referenced part numbers: 179881 (International Harvester Co Agricultural Equipment Div), 802365 (American Hoist and Derrick Co), S288 (Meritor Industrial Products, Llc), MS35295-109 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 179881 (Navistar International Corporation Dba Navistar) and 7 more.

What NSN replaces 5305-00-017-9881?

There are 12 known substitutes for 5305-00-017-9881: 9540-00-119-4898, 6350-00-480-1410, 4920-00-589-3513 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 179881?

Key specifications for 179881: Nondefinitive Spec/std Data: 2 TYPE AND 10P STYLE AND 5 GRADE; Material: STEEL OVERALL; Hardness Rating: 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 14 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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