PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS24621-30Screw,tapping

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5305-00-057-9612 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-057-9612 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-057-9612. Primary manufacturer part number: MS24621-30.
Features
  • Screw,tapping — FSC 5305
  • Features Provided: CASEHARDENED
  • Head Diameter: 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
  • Nonmachine Thread Style: DOG TYPE (TYPE B OR C)
  • Head Height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
  • Material: STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1524 OVERALL
  • Material Document and Classification: AISI ASSN STD ALL MATERIAL RESPONSES OVERALL
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1016 or Steel Comp 1018 or Steel Comp 1019 or Steel Comp 1021 or Steel Comp 1022 or Steel Comp 1524 Overall construction
General Description

The Screw,tapping, cataloged under National Stock Number 5305-00-057-9612, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-057-9612
Primary Part NumberMS24621-30
Item NameScrew,tapping
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Features ProvidedCASEHARDENED
Head Diameter0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
Nonmachine Thread StyleDOG TYPE (TYPE B OR C)
Head Height0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
MaterialSTEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1524 OVERALL
Material Document and ClassificationAISI ASSN STD ALL MATERIAL RESPONSES OVERALL
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Fastener Length0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Internal Drive StyleCROSS RECESS TYPE 1
Surface Treatment Document and ClassificationQQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
Head StylePAN
Nonmachine Nominal Thread Diameter0.164 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5305-00-167-2327 INTERCHANGEABLE
Screw,tapping
5310-00-264-40837371886 INTERCHANGEABLE
Washer,spring Tension
U S Army Tank Automotive Command Amsta-Im-Mm
5999-00-295-4405851915 INTERCHANGEABLE
Contact Assembly,electrical
Honeywell International, Inc Div Aerospace-Tucson
5305-00-432-4170 INTERCHANGEABLE
Screw,tapping
Cross-Reference Index
Part NumberManufacturer
MS24621-30 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
851915 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament (USA)
Related Parts
5305-00-167-2327INTERCHANGEABLE
SCREW,TAPPING
5310-00-264-4083INTERCHANGEABLE
WASHER,SPRING TENSION
7371886
5999-00-295-4405INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL
851915
5305-00-432-4170INTERCHANGEABLE
SCREW,TAPPING

Frequently Asked Questions

What is NSN 5305-00-057-9612?

NSN 5305-00-057-9612 is a Screw,tapping, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-057-9612?

NSN 5305-00-057-9612 has 2 cross-referenced part numbers: MS24621-30 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 851915 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament).

What NSN replaces 5305-00-057-9612?

There are 4 known substitutes for 5305-00-057-9612: 5305-00-167-2327, 5310-00-264-4083, 5999-00-295-4405 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS24621-30?

Key specifications for MS24621-30: Features Provided: CASEHARDENED; Head Diameter: 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN; Nonmachine Thread Style: DOG TYPE (TYPE B OR C); Head Height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-057-9612 still in active supply?

NSN 5305-00-057-9612 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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