PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS21318-21Screw,drive

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-253-5615 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-253-5615 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-253-5615. Primary manufacturer part number: MS21318-21.
Features
  • Screw,drive — FSC 5305
  • Head Height: 0.075 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN
  • Features Provided: CASEHARDENED
  • Pilot Length: 0.047 INCHES NOMINAL IN
  • Nonmachine Nominal Thread Diameter: 0.114 INCHES IN
  • Fastener Length: 0.250 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
  • Surface Treatment: CADMIUM AND CHROMATE 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 5305-00-253-5615, 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 19 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-253-5615
Primary Part NumberMS21318-21
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 Height0.075 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN
Features ProvidedCASEHARDENED
Pilot Length0.047 INCHES NOMINAL IN
Nonmachine Nominal Thread Diameter0.114 INCHES IN
Fastener Length0.250 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Head Diameter0.193 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
Nonmachine Thread StyleDRIVE SCREW (TYPE U)
Head StyleROUND
Pilot Diameter0.092 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5985-00-239-6119 INTERCHANGEABLE
Switch,radio Frequency Transmiss
1660-00-326-423429930 INTERCHANGEABLE
Adapter,air Inlet,heat Exchanger
Honeywell International Inc. Div Aerospace - Torrance
2910-00-361-964389914 INTERCHANGEABLE
Carburetor,float
Briggs and Stratton Corp
5330-00-532-367929930 INTERCHANGEABLE
Gasket
Mitsubishi Caterpillar Forklift America, Inc
5305-00-874-40034B4158 INTERCHANGEABLE
Screw,drive
Caterpillar Inc Div Caterpillar Defense
5935-01-113-044129930 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Hamilton Sundstrand Corporation Dba Collins Aerospace
5305-01-548-472229930 INTERCHANGEABLE
Screw,cap,hexagon Head
Eagle Components, Inc
5920-01-603-8372192413 INTERCHANGEABLE
Fuse,cartridge
Us Tech Inc Dba Us Tech Inc
Cross-Reference Index
Part NumberManufacturer
5305PL0728670 Jednolity Indeks Materialowy - Uniform Material Index (POL)
815-1289 Cummins Power Generation Inc. (USA)
AL81AF083 Zf Industrieantriebe Witten Gmbh (DEU)
N530P404B6 Zf Industrieantriebe Witten Gmbh (DEU)
192413 Zf Industrieantriebe Witten Gmbh (DEU)
MS21318-21 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
9001314 Us Army Aviation and Missile Command (USA)
AM29581/12 Meggitt Aerospace Limited (GBR)
29930 Kaydon Custom Filtration Corporation (USA)
10125086 Nimikkeistokeskus Ncb Finland (FIN)
24566695770 Sapa Operaciones SL (ESP)
330-1028-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
330-1028-000 Usm Corp Sub of Emhart Industries Inc Parker-Kalon Fastener Div (USA)
5305PL1368866 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS21318-21 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
20Z42D2 Zf Industrieantriebe Witten Gmbh (DEU)
AA1554-18 Meggitt Aerospace Limited (GBR)
4B4158 Zf Industrieantriebe Witten Gmbh (DEU)
5305002535615 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
Related Parts
5985-00-239-6119INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS
1660-00-326-4234INTERCHANGEABLE
ADAPTER,AIR INLET,HEAT EXCHANGER
29930
2910-00-361-9643INTERCHANGEABLE
CARBURETOR,FLOAT
89914
5330-00-532-3679INTERCHANGEABLE
GASKET
29930
5305-00-874-4003INTERCHANGEABLE
SCREW,DRIVE
4B4158
5935-01-113-0441INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
29930
5305-01-548-4722INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
29930
5920-01-603-8372INTERCHANGEABLE
FUSE,CARTRIDGE
192413

Frequently Asked Questions

What is NSN 5305-00-253-5615?

NSN 5305-00-253-5615 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 5305-00-253-5615?

NSN 5305-00-253-5615 has 19 cross-referenced part numbers: 5305PL0728670 (Jednolity Indeks Materialowy - Uniform Material Index), 815-1289 (Cummins Power Generation Inc.), AL81AF083 (Zf Industrieantriebe Witten Gmbh), N530P404B6 (Zf Industrieantriebe Witten Gmbh), 192413 (Zf Industrieantriebe Witten Gmbh) and 14 more.

What NSN replaces 5305-00-253-5615?

There are 8 known substitutes for 5305-00-253-5615: 5985-00-239-6119, 1660-00-326-4234, 2910-00-361-9643 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS21318-21?

Key specifications for MS21318-21: Head Height: 0.075 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN; Features Provided: CASEHARDENED; Pilot Length: 0.047 INCHES NOMINAL IN; Nonmachine Nominal Thread Diameter: 0.114 INCHES IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-253-5615 still in active supply?

NSN 5305-00-253-5615 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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