PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C46-25Setscrew

Zenith Fuel Systems Llc · NSN 5305-00-127-0171 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-127-0171 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-127-0171. Primary manufacturer part number: C46-25.
Features
  • Setscrew — FSC 5305
  • Head Diameter: 0.312 INCHES NOMINAL IN
  • Fastener Length: 1.000 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Point Diameter: 0.125 INCHES NOMINAL IN
  • Internal Drive Style: SLOT
  • Nominal Thread Diameter: 0.190 INCHES IN
  • Thread Quantity Per Inch: 32
Applications
  • Applications requiring Steel Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-127-0171, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Zenith Fuel Systems Llc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 23 commercial cross-references from 19 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
NSN5305-00-127-0171
Primary Part NumberC46-25
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerZenith Fuel Systems Llc
StatusCANCELLED
Head Diameter0.312 INCHES NOMINAL IN
Fastener Length1.000 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Point Diameter0.125 INCHES NOMINAL IN
Internal Drive StyleSLOT
Nominal Thread Diameter0.190 INCHES IN
Thread Quantity Per Inch32
Point StyleCONE
Point Length0.344 INCHES NOMINAL IN
Point Chamfer Angle30.0 DEGREES NOMINAL
Thread Class3A A
Head Height0.156 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Length0.500 INCHES NOMINAL IN
Thread Series DesignatorUNF
Head StyleKNURLED NO. 3
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
3040-00-083-378423105 INTERCHANGEABLE
Gearshaft,spur
Hydro-Aire Aerospace Corp
5940-00-501-56534 INTERCHANGEABLE
Terminal,lug
Birnbach Co Inc
2815-00-872-633023105 INTERCHANGEABLE
Crankshaft,engine
Westerbeke Corporation
5961-01-097-2026582R430H01 INTERCHANGEABLE
Semiconductor Device,diode
Northrop Grumman Support Services Corp
5962-01-174-6884SN54LS244J INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
2990-01-227-252723-104 INTERCHANGEABLE
Shaft
Stewart & Stevenson Power Products Llc
4030-01-269-354423105 INTERCHANGEABLE
Swivel and Link Assembly
Mjt Holdings Llc
3040-01-309-819223105 INTERCHANGEABLE
Bracket,eye,nonrotating Shaft
Reuland Electric Co
7690-01-434-6547 INTERCHANGEABLE
Label
Cross-Reference Index
Part NumberManufacturer
141-8 Cummins Power Generation Inc. (USA)
6066 Mitsubishi Caterpillar Forklift America, Inc (USA)
AB0070850031 Ar Bee Corp (USA)
C46-25 Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
09-6066 Tvh Parts Co. (USA)
C46-25 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
07-850031 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
KK30000 Diamond Reo Truck Co (USA)
C46-25 Hercules Engine Co Inc (USA)
09-6066 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
30953D Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
2A8750 Napco International Llc Dba Napco International Inc (USA)
2143809 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
07-850031 Tvh Parts Co. (USA)
ZC46-25 Schramm, Inc. (USA)
14A366 Diamond Reo Truck Co (USA)
850031 Clark Equipment Co (USA)
23105 Cummins Power Generation Inc. (USA)
850031 Clark Material Handling Company (USA)
C46-25 PRIMARY Zenith Fuel Systems Llc (USA)
Related Parts
3040-00-083-3784INTERCHANGEABLE
GEARSHAFT,SPUR
23105
5940-00-501-5653INTERCHANGEABLE
TERMINAL,LUG
4
2815-00-872-6330INTERCHANGEABLE
CRANKSHAFT,ENGINE
23105
5961-01-097-2026INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
582R430H01
5962-01-174-6884INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SN54LS244J
2990-01-227-2527INTERCHANGEABLE
SHAFT
23-104
4030-01-269-3544INTERCHANGEABLE
SWIVEL AND LINK ASSEMBLY
23105
3040-01-309-8192INTERCHANGEABLE
BRACKET,EYE,NONROTATING SHAFT
23105
7690-01-434-6547INTERCHANGEABLE
LABEL

Frequently Asked Questions

What is NSN 5305-00-127-0171?

NSN 5305-00-127-0171 is a Setscrew, manufactured by Zenith Fuel Systems Llc, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-127-0171?

NSN 5305-00-127-0171 has 23 cross-referenced part numbers: 141-8 (Cummins Power Generation Inc.), 6066 (Mitsubishi Caterpillar Forklift America, Inc), AB0070850031 (Ar Bee Corp), C46-25 (Brinkley Technology Group Llc Dba Hercules Manufacturing), 09-6066 (Tvh Parts Co.) and 18 more.

What NSN replaces 5305-00-127-0171?

There are 9 known substitutes for 5305-00-127-0171: 3040-00-083-3784, 5940-00-501-5653, 2815-00-872-6330 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C46-25?

Key specifications for C46-25: Head Diameter: 0.312 INCHES NOMINAL IN; Fastener Length: 1.000 INCHES NOMINAL IN; Material: STEEL OVERALL; Point Diameter: 0.125 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-127-0171 still in active supply?

NSN 5305-00-127-0171 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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