PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26-X-56Setscrew

Meritor Heavy Vehicle Systems, Llc · NSN 5305-00-270-7328 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-270-7328 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-270-7328. Primary manufacturer part number: 26-X-56.
Features
  • Setscrew — FSC 5305
  • Hardness Rating: 17.5 ROCKWELL C MINIMUM AND 27.6 ROCKWELL C MAXIMUM OVERALL
  • Thread Series Designator: UNF
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Thread Quantity Per Inch: 24
  • Point Length: 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN
  • Head Style: HEADLESS (SETSCREW)
  • Material: STEEL COMP 1035 OVERALL
Applications
  • Applications requiring Steel Comp 1035 Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-270-7328, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-270-7328
Primary Part Number26-X-56
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMeritor Heavy Vehicle Systems, Llc
StatusCANCELLED
Hardness Rating17.5 ROCKWELL C MINIMUM AND 27.6 ROCKWELL C MAXIMUM OVERALL
Thread Series DesignatorUNF
Internal Drive StyleCROSS RECESS TYPE 1
Thread Quantity Per Inch24
Point Length0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN
Head StyleHEADLESS (SETSCREW)
MaterialSTEEL COMP 1035 OVERALL
Thread Length0.334 INCHES MINIMUM IN
Point StyleFLAT
Point Chamfer Angle30.0 DEGREES NOMINAL
Fastener Length0.531 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Class2A A
Nominal Thread Diameter0.312 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
4730-00-221-62150913888 INTERCHANGEABLE
Elbow,pipe to Tube
Agco Corp Parts Opn
Cross-Reference Index
Part NumberManufacturer
365SZ33 Mack Trucks Inc Parts Opn (USA)
26X56 Paccar Government Group Co Yarrow Bay Office Pk (USA)
105992R1 Navistar Intl Corp Truck Br Ohio Plant (USA)
2069245 Garwood/feller Inc Garwood Winch Div (USA)
BB16264 Diamond Reo Truck Co (USA)
5305002707328 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
26X56 Kenworth Truck Co a Div of Paccar Inc (USA)
397323 White Motor Corp (USA)
26X56 Meritor Industrial Products, Llc (USA)
105992R1 Navistar International Corporation Dba Navistar (USA)
26X56 Corbitt Co Inc (USA)
548T5 Diamond Reo Truck Co (USA)
26-X-56 PRIMARY Meritor Heavy Vehicle Systems, Llc (USA)
Related Parts
4730-00-221-6215INTERCHANGEABLE
ELBOW,PIPE TO TUBE
0913888

Frequently Asked Questions

What is NSN 5305-00-270-7328?

NSN 5305-00-270-7328 is a Setscrew, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-270-7328?

NSN 5305-00-270-7328 has 13 cross-referenced part numbers: 365SZ33 (Mack Trucks Inc Parts Opn), 26X56 (Paccar Government Group Co Yarrow Bay Office Pk), 105992R1 (Navistar Intl Corp Truck Br Ohio Plant), 2069245 (Garwood/feller Inc Garwood Winch Div), BB16264 (Diamond Reo Truck Co) and 8 more.

What NSN replaces 5305-00-270-7328?

There is 1 known substitute for 5305-00-270-7328: 4730-00-221-6215. Verify interchangeability with system specifications before substitution.

What are the specifications of 26-X-56?

Key specifications for 26-X-56: Hardness Rating: 17.5 ROCKWELL C MINIMUM AND 27.6 ROCKWELL C MAXIMUM OVERALL; Thread Series Designator: UNF; Internal Drive Style: CROSS RECESS TYPE 1; Thread Quantity Per Inch: 24. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-270-7328 still in active supply?

NSN 5305-00-270-7328 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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