PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40-43-09Screw,machine

Magnatrol Valve Corp Div Clark-Cooper · NSN 5305-01-246-5761 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-246-5761 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-246-5761. Primary manufacturer part number: 40-43-09.
Features
  • Screw,machine — FSC 5305
  • Screw Material: COPPER ALLOY 268 OR COPPER ALLOY 260 OR COPPER ALLOY 230 OR COPPER ALLOY 377 OR COPPER ALLOY 360 OR COPPER ALLOY 353 OR COPPER ALLOY 270 OR COPPER ALLOY 274 OR COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OR COPPER ALLOY 510 OR COPPER ALLOY 745 OR COPPER ALLOY 752 OR COPPER ALLOY 757 OR COPPER ALLOY 764 OR COPPER ALLOY 770 OR COPPER ALLOY 240 OR COPPER ALLOY 342
  • Head Style: FILLISTER
  • Thread Direction: RIGHT-HAND
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 16
  • Internal Drive Style: SLOT
  • Thread Class: 2A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-246-5761, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Magnatrol Valve Corp Div Clark-Cooper. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5305-01-246-5761
Primary Part Number40-43-09
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMagnatrol Valve Corp Div Clark-Cooper
StatusACTIVE
Screw MaterialCOPPER ALLOY 268 OR COPPER ALLOY 260 OR COPPER ALLOY 230 OR COPPER ALLOY 377 OR COPPER ALLOY 360 OR COPPER ALLOY 353 OR COPPER ALLOY 270 OR COPPER ALLOY 274 OR COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OR COPPER ALLOY 510 OR COPPER ALLOY 745 OR COPPER ALLOY 752 OR COPPER ALLOY 757 OR COPPER ALLOY 764 OR COPPER ALLOY 770 OR COPPER ALLOY 240 OR COPPER ALLOY 342
Head StyleFILLISTER
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch16
Internal Drive StyleSLOT
Thread Class2A A
Head Height0.233 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
Nominal Thread Diameter0.375 INCHES IN
Head Diameter0.590 INCHES MINIMUM AND 0.622 INCHES MAXIMUM IN
Fastener Length2.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5330-01-468-78769000 ITEM 9 INTERCHANGEABLE
Gasket,spiral Wound
Intrinsic Safety Equipment of Texas, Inc. Dba Ise-Mag Tech
Cross-Reference Index
Part NumberManufacturer
40-43-09 PRIMARY Magnatrol Valve Corp Div Clark-Cooper (USA)
9000 ITEM 9 Magnatrol Valve Corp Div Clark-Cooper (USA)
Related Parts
5330-01-468-7876INTERCHANGEABLE
GASKET,SPIRAL WOUND
9000 ITEM 9

Frequently Asked Questions

What is NSN 5305-01-246-5761?

NSN 5305-01-246-5761 is a Screw,machine, manufactured by Magnatrol Valve Corp Div Clark-Cooper, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-246-5761?

NSN 5305-01-246-5761 has 2 cross-referenced part numbers: 40-43-09 (Magnatrol Valve Corp Div Clark-Cooper), 9000 ITEM 9 (Magnatrol Valve Corp Div Clark-Cooper).

What NSN replaces 5305-01-246-5761?

There is 1 known substitute for 5305-01-246-5761: 5330-01-468-7876. Verify interchangeability with system specifications before substitution.

What are the specifications of 40-43-09?

Key specifications for 40-43-09: Screw Material: COPPER ALLOY 268 OR COPPER ALLOY 260 OR COPPER ALLOY 230 OR COPPER ALLOY 377 OR COPPER ALLOY 360 OR COPPER ALLOY 353 OR COPPER ALLOY 270 OR COPPER ALLOY 274 OR COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OR COPPER ALLOY 510 OR COPPER ALLOY 745 OR COPPER ALLOY 752 OR COPPER ALLOY 757 OR COPPER ALLOY 764 OR COPPER ALLOY 770 OR COPPER ALLOY 240 OR COPPER ALLOY 342; Head Style: FILLISTER; Thread Direction: RIGHT-HAND; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 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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