PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS51861-15Screw,tapping

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-053-1114 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-053-1114 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-053-1114. Primary manufacturer part number: MS51861-15.
Features
  • Screw,tapping — FSC 5305
  • Fastener Length: 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
  • Material Document and Classification: AISI ASSN STD ALL MATERIAL RESPONSES OVERALL
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Nonmachine Nominal Thread Diameter: 0.112 INCHES IN
  • Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
  • 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
  • Features Provided: CASEHARDENED
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 5305-00-053-1114, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-053-1114
Primary Part NumberMS51861-15
Item NameScrew,tapping
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Fastener Length0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Material Document and ClassificationAISI ASSN STD ALL MATERIAL RESPONSES OVERALL
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Nonmachine Nominal Thread Diameter0.112 INCHES IN
Surface Treatment Document and ClassificationQQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
MaterialSTEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1524 OVERALL
Features ProvidedCASEHARDENED
Head Diameter0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
Head StylePAN
Internal Drive StyleCROSS RECESS TYPE 1
Head Height0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Nonmachine Thread StyleDOG TYPE (TYPE B OR C)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5305-00-432-4173 INTERCHANGEABLE
Screw,tapping
Cross-Reference Index
Part NumberManufacturer
MS24621-11 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS24621-11 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS51861-15 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
B4525-300-58 Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA)
Related Parts
5305-00-432-4173INTERCHANGEABLE
SCREW,TAPPING

Frequently Asked Questions

What is NSN 5305-00-053-1114?

NSN 5305-00-053-1114 is a Screw,tapping, 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 5305-00-053-1114?

NSN 5305-00-053-1114 has 4 cross-referenced part numbers: MS24621-11 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS24621-11 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MS51861-15 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), B4525-300-58 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters).

What NSN replaces 5305-00-053-1114?

There is 1 known substitute for 5305-00-053-1114: 5305-00-432-4173. Verify interchangeability with system specifications before substitution.

What are the specifications of MS51861-15?

Key specifications for MS51861-15: Fastener Length: 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Material Document and Classification: AISI ASSN STD ALL MATERIAL RESPONSES OVERALL; Surface Treatment: CADMIUM AND CHROMATE OVERALL; Nonmachine Nominal Thread Diameter: 0.112 INCHES IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-053-1114 still in active supply?

NSN 5305-00-053-1114 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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