PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X3571Screw,cap,hexagon Head

Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc · NSN 5305-00-350-7042 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-350-7042 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-350-7042. Primary manufacturer part number: X3571.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Width Between Flats: 0.562 INCHES NOMINAL IN
  • Fastener Length: 3.625 INCHES NOMINAL IN
  • Head Style: HEXAGON
  • Material: STEEL COMP 8640 OVERALL
  • Thread Length: 1.000 INCHES MINIMUM IN
  • Hardness Rating: 27.6 ROCKWELL C MINIMUM AND 32.1 ROCKWELL C MAXIMUM OVERALL
  • Thread Quantity Per Inch: 16
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 8640 Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-350-7042, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-350-7042
Primary Part NumberX3571
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTeledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc
StatusACTIVE
Width Between Flats0.562 INCHES NOMINAL IN
Fastener Length3.625 INCHES NOMINAL IN
Head StyleHEXAGON
MaterialSTEEL COMP 8640 OVERALL
Thread Length1.000 INCHES MINIMUM IN
Hardness Rating27.6 ROCKWELL C MINIMUM AND 32.1 ROCKWELL C MAXIMUM OVERALL
Thread Quantity Per Inch16
Thread Class3A A
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.375 INCHES IN
Head Height0.281 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5365-00-289-4932118134 INTERCHANGEABLE
Plug,machine Thread
Airmotive Carburetor
Cross-Reference Index
Part NumberManufacturer
X3571 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
190948 Daf Trucks N.v. (NLD)
CC1515 Diamond Reo Truck Co (USA)
Related Parts
5365-00-289-4932INTERCHANGEABLE
PLUG,MACHINE THREAD
118134

Frequently Asked Questions

What is NSN 5305-00-350-7042?

NSN 5305-00-350-7042 is a Screw,cap,hexagon Head, manufactured by Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-350-7042?

NSN 5305-00-350-7042 has 3 cross-referenced part numbers: X3571 (Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc), 190948 (Daf Trucks N.v.), CC1515 (Diamond Reo Truck Co).

What NSN replaces 5305-00-350-7042?

There is 1 known substitute for 5305-00-350-7042: 5365-00-289-4932. Verify interchangeability with system specifications before substitution.

What are the specifications of X3571?

Key specifications for X3571: Width Between Flats: 0.562 INCHES NOMINAL IN; Fastener Length: 3.625 INCHES NOMINAL IN; Head Style: HEXAGON; Material: STEEL COMP 8640 OVERALL. 12 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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