PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7226370-5Screw,machine

Naval Sea Systems Command · NSN 5305-01-522-9278 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-522-9278 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-522-9278. Primary manufacturer part number: 7226370-5.
Features
  • Screw,machine — FSC 5305
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Class: 2A A
  • Fastener Length: 0.375 INCHES NOMINAL IN
  • Thread Length: 0.375 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.164 INCHES IN
  • Head Hole Configuration Style: ROUND
  • Hole Quantity: 1
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-522-9278, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 15 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-522-9278
Primary Part Number7226370-5
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class2A A
Fastener Length0.375 INCHES NOMINAL IN
Thread Length0.375 INCHES NOMINAL IN
Nominal Thread Diameter0.164 INCHES IN
Head Hole Configuration StyleROUND
Hole Quantity1
Screw MaterialSTEEL CORROSION RESISTING
Hole Diameter0.046 INCHES NOMINAL IN
Head StyleFILLISTER
Thread DirectionRIGHT-HAND
Head Height0.141 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
Internal Drive StyleSLOT
Head Diameter0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5305-00-939-9177MS35275-258 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-939-9189MS35275-264 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-939-9230MS35275-243 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-939-9232MS35275-246 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-940-9486MS35275-224 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-941-3551MS35275-213 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-943-5281MS35275-222 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-943-5918MS35275-249 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
NASM35275 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
7226370-5 Aaa Plating and Inspection Inc (USA)
MS35275-243 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
7226370-5 PRIMARY Naval Sea Systems Command (USA)
Related Parts
5305-00-939-9177INTERCHANGEABLE
SCREW,MACHINE
MS35275-258
5305-00-939-9189INTERCHANGEABLE
SCREW,MACHINE
MS35275-264
5305-00-939-9230INTERCHANGEABLE
SCREW,MACHINE
MS35275-243
5305-00-939-9232INTERCHANGEABLE
SCREW,MACHINE
MS35275-246
5305-00-940-9486INTERCHANGEABLE
SCREW,MACHINE
MS35275-224
5305-00-941-3551INTERCHANGEABLE
SCREW,MACHINE
MS35275-213
5305-00-943-5281INTERCHANGEABLE
SCREW,MACHINE
MS35275-222
5305-00-943-5918INTERCHANGEABLE
SCREW,MACHINE
MS35275-249

Frequently Asked Questions

What is NSN 5305-01-522-9278?

NSN 5305-01-522-9278 is a Screw,machine, manufactured by Naval Sea Systems Command, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-522-9278?

NSN 5305-01-522-9278 has 4 cross-referenced part numbers: NASM35275 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 7226370-5 (Aaa Plating and Inspection Inc), MS35275-243 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 7226370-5 (Naval Sea Systems Command).

What NSN replaces 5305-01-522-9278?

There are 8 known substitutes for 5305-01-522-9278: 5305-00-939-9177, 5305-00-939-9189, 5305-00-939-9230 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7226370-5?

Key specifications for 7226370-5: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Thread Class: 2A A; Fastener Length: 0.375 INCHES NOMINAL IN; Thread Length: 0.375 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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