PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS24693-BB26Screw,machine

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-958-9546 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-958-9546 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-958-9546. Primary manufacturer part number: MS24693-BB26.
Features
  • Screw,machine — FSC 5305
  • Thread Class: 2A A
  • Head Style: FLAT COUNTERSUNK
  • Thread Quantity Per Inch: 32
  • Thread Length: 0.222 INCHES MINIMUM AND 0.284 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.138 INCHES IN
  • Screw Material: COPPER ALLOY 230 OR COPPER ALLOY 240 OR COPPER ALLOY 260 OR COPPER ALLOY 268 OR COPPER ALLOY 342 OR COPPER ALLOY 353 OR COPPER ALLOY 360 OR COPPER ALLOY 377 OR COPPER ALLOY 270 OR COPPER ALLOY 274 OR COPPER ALLOY 510 OR COPPER ALLOY 745 OR COPPER ALLOY 752 OR COPPER ALLOY 770
  • Countersink Angle: 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-958-9546, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 13 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-958-9546
Primary Part NumberMS24693-BB26
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Thread Class2A A
Head StyleFLAT COUNTERSUNK
Thread Quantity Per Inch32
Thread Length0.222 INCHES MINIMUM AND 0.284 INCHES MAXIMUM IN
Nominal Thread Diameter0.138 INCHES IN
Screw MaterialCOPPER ALLOY 230 OR COPPER ALLOY 240 OR COPPER ALLOY 260 OR COPPER ALLOY 268 OR COPPER ALLOY 342 OR COPPER ALLOY 353 OR COPPER ALLOY 360 OR COPPER ALLOY 377 OR COPPER ALLOY 270 OR COPPER ALLOY 274 OR COPPER ALLOY 510 OR COPPER ALLOY 745 OR COPPER ALLOY 752 OR COPPER ALLOY 770
Countersink Angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
Thread DirectionRIGHT-HAND
Internal Drive StyleCROSS RECESS TYPE 1
Minimum Tensile Strength55000 POUNDS PER SQUARE INCH LBS
Head Diameter0.238 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Fastener Length0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5305-00-958-2918MS24693-C26 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-982-8625 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
MS24693-BB26 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS24693-BB26 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
GA507C632-6 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5305-00-958-2918INTERCHANGEABLE
SCREW,MACHINE
MS24693-C26
5305-00-982-8625INTERCHANGEABLE
SCREW,MACHINE

Frequently Asked Questions

What is NSN 5305-00-958-9546?

NSN 5305-00-958-9546 is a Screw,machine, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-958-9546?

NSN 5305-00-958-9546 has 3 cross-referenced part numbers: MS24693-BB26 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS24693-BB26 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), GA507C632-6 (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5305-00-958-9546?

There are 2 known substitutes for 5305-00-958-9546: 5305-00-958-2918, 5305-00-982-8625. Verify interchangeability with system specifications before substitution.

What are the specifications of MS24693-BB26?

Key specifications for MS24693-BB26: Thread Class: 2A A; Head Style: FLAT COUNTERSUNK; Thread Quantity Per Inch: 32; Thread Length: 0.222 INCHES MINIMUM AND 0.284 INCHES MAXIMUM IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-958-9546 still in active supply?

NSN 5305-00-958-9546 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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