PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

179897Screw,cap,hexagon Head

Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ · NSN 5305-00-022-4057 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-022-4057 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-022-4057. Primary manufacturer part number: 179897.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Thread Quantity Per Inch: 20
  • Material: STEEL OVERALL
  • Fastener Length: 4.094 INCHES MINIMUM AND 4.156 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.500 INCHES IN
  • Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
  • Head Height: 0.277 INCHES MINIMUM AND 0.317 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 5305-00-022-4057, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-022-4057
Primary Part Number179897
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNavistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
StatusCANCELLED
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch20
MaterialSTEEL OVERALL
Fastener Length4.094 INCHES MINIMUM AND 4.156 INCHES MAXIMUM IN
Nominal Thread Diameter0.500 INCHES IN
Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
Head Height0.277 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
Thread Series DesignatorUNF
Minimum Yield Strength130000 POUNDS PER SQUARE INCH LBS
Surface TreatmentCADMIUM OR ZINC OVERALL
Thread Length1.250 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
Width Between Flats0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Thread Class2A A
Head StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5305-00-018-1703 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-00-022-3965 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-00-022-4047 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-00-022-4062 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-00-145-6379 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-00-206-0029 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-00-207-2095 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-00-281-9340 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-00-297-0724595540 INTERCHANGEABLE
Screw,cap,hexagon Head
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
179897 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
FFS85TYPE2STYLE10PGRADE7 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
179897 International Harvester Co Agricultural Equipment Div (USA)
179897 Navistar International Corporation Dba Navistar (USA)
FF-S-85C TY II ST 10P Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5305-00-018-1703INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-00-022-3965INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-00-022-4047INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-00-022-4062INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-00-145-6379INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-00-206-0029INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-00-207-2095INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-00-281-9340INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-00-297-0724INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
595540

Frequently Asked Questions

What is NSN 5305-00-022-4057?

NSN 5305-00-022-4057 is a Screw,cap,hexagon Head, manufactured by Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-022-4057?

NSN 5305-00-022-4057 has 5 cross-referenced part numbers: 179897 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), FFS85TYPE2STYLE10PGRADE7 (Federal Specifications Promulgated by General Services Administration Washington DC), 179897 (International Harvester Co Agricultural Equipment Div), 179897 (Navistar International Corporation Dba Navistar), FF-S-85C TY II ST 10P (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5305-00-022-4057?

There are 9 known substitutes for 5305-00-022-4057: 5305-00-018-1703, 5305-00-022-3965, 5305-00-022-4047 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 179897?

Key specifications for 179897: Thread Direction: RIGHT-HAND; Thread Quantity Per Inch: 20; Material: STEEL OVERALL; Fastener Length: 4.094 INCHES MINIMUM AND 4.156 INCHES MAXIMUM IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-022-4057 still in active supply?

NSN 5305-00-022-4057 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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