PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

171026Screw,tapping

General Motors Llc Dba General Motors Llc · NSN 5305-00-017-1026 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-017-1026 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-017-1026. Primary manufacturer part number: 171026.
Features
  • Screw,tapping — FSC 5305
  • Head Diameter: 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
  • Nonmachine Nominal Thread Diameter: 0.250 INCHES IN
  • Nonmachine Thread Style: DOG TYPE (TYPE B OR C)
  • Material: STEEL OVERALL
  • Nondefinitive Spec/std Data: C TYPE AND 10P STYLE
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Width Between Flats: 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,tapping, cataloged under National Stock Number 5305-00-017-1026, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-017-1026
Primary Part Number171026
Item NameScrew,tapping
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerGeneral Motors Llc Dba General Motors Llc
StatusACTIVE
Head Diameter0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
Nonmachine Nominal Thread Diameter0.250 INCHES IN
Nonmachine Thread StyleDOG TYPE (TYPE B OR C)
MaterialSTEEL OVERALL
Nondefinitive Spec/std DataC TYPE AND 10P STYLE
Surface TreatmentCADMIUM OR ZINC OVERALL
Width Between Flats0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Fastener Length0.500 INCHES NOMINAL IN
Head StyleHEXAGON
Features ProvidedCASEHARDENED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5305-00-017-1019 INTERCHANGEABLE
Screw,tapping
5305-00-017-1039 INTERCHANGEABLE
Screw,tapping
5305-00-017-1121 INTERCHANGEABLE
Screw,tapping
4320-00-891-39041512CSP5 INTERCHANGEABLE
Pump,rotary
David Brown Hydraulics Inc Dba Hydreco
2815-00-972-5387171026 INTERCHANGEABLE
Cover,engine Poppet Valve Rocker
Cummins Inc.
4130-01-469-0854023Z0065 INTERCHANGEABLE
Filter-Drier,refrigerant
Danfoss Inc
Cross-Reference Index
Part NumberManufacturer
171026 General Motors Llc Dba General Motors Llc (USA)
FFS107TYPECSTYLE10P Federal Specifications Promulgated by General Services Administration Washington DC (USA)
171026 General Motors Corp (USA)
171026 Army Weapons Command Attn Amswe-Ree-S (USA)
Related Parts
5305-00-017-1019INTERCHANGEABLE
SCREW,TAPPING
5305-00-017-1039INTERCHANGEABLE
SCREW,TAPPING
5305-00-017-1121INTERCHANGEABLE
SCREW,TAPPING
4320-00-891-3904INTERCHANGEABLE
PUMP,ROTARY
1512CSP5
2815-00-972-5387INTERCHANGEABLE
COVER,ENGINE POPPET VALVE ROCKER
171026
4130-01-469-0854INTERCHANGEABLE
FILTER-DRIER,REFRIGERANT
023Z0065

Frequently Asked Questions

What is NSN 5305-00-017-1026?

NSN 5305-00-017-1026 is a Screw,tapping, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-017-1026?

NSN 5305-00-017-1026 has 4 cross-referenced part numbers: 171026 (General Motors Llc Dba General Motors Llc), FFS107TYPECSTYLE10P (Federal Specifications Promulgated by General Services Administration Washington DC), 171026 (General Motors Corp), 171026 (Army Weapons Command Attn Amswe-Ree-S).

What NSN replaces 5305-00-017-1026?

There are 6 known substitutes for 5305-00-017-1026: 5305-00-017-1019, 5305-00-017-1039, 5305-00-017-1121 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 171026?

Key specifications for 171026: Head Diameter: 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Nonmachine Nominal Thread Diameter: 0.250 INCHES IN; Nonmachine Thread Style: DOG TYPE (TYPE B OR C); Material: STEEL OVERALL. 10 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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