PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NASM21318-28Screw,drive

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-253-5619 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-253-5619 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-253-5619. Primary manufacturer part number: NASM21318-28.
Features
  • Screw,drive — FSC 5305
  • Head Diameter: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
  • Pilot Length: 0.047 INCHES NOMINAL IN
  • Head Height: 0.091 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
  • Head Style: ROUND
  • Nonmachine Nominal Thread Diameter: 0.138 INCHES IN
  • Pilot Diameter: 0.112 INCHES MINIMUM AND 0.116 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,drive, cataloged under National Stock Number 5305-00-253-5619, 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 5 commercial cross-references from 4 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
NSN5305-00-253-5619
Primary Part NumberNASM21318-28
Item NameScrew,drive
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Head Diameter0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
Pilot Length0.047 INCHES NOMINAL IN
Head Height0.091 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
Head StyleROUND
Nonmachine Nominal Thread Diameter0.138 INCHES IN
Pilot Diameter0.112 INCHES MINIMUM AND 0.116 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Features ProvidedCASEHARDENED
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Surface Treatment Document and ClassificationQQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
Fastener Length0.312 INCHES NOMINAL IN
Nonmachine Thread StyleDRIVE SCREW (TYPE U)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5305-00-253-5618MS21318-27 INTERCHANGEABLE
Screw,drive
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
5305002535619 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
NASM21318-28 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS21318-28 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS21318-28 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NASM21318-28 De Technologies Inc (USA)
Related Parts
5305-00-253-5618INTERCHANGEABLE
SCREW,DRIVE
MS21318-27

Frequently Asked Questions

What is NSN 5305-00-253-5619?

NSN 5305-00-253-5619 is a Screw,drive, 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 5305-00-253-5619?

NSN 5305-00-253-5619 has 5 cross-referenced part numbers: 5305002535619 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), NASM21318-28 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MS21318-28 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS21318-28 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NASM21318-28 (De Technologies Inc).

What NSN replaces 5305-00-253-5619?

There is 1 known substitute for 5305-00-253-5619: 5305-00-253-5618. Verify interchangeability with system specifications before substitution.

What are the specifications of NASM21318-28?

Key specifications for NASM21318-28: Head Diameter: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Pilot Length: 0.047 INCHES NOMINAL IN; Head Height: 0.091 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN; Head Style: ROUND. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-253-5619 still in active supply?

NSN 5305-00-253-5619 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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