PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35307-370Screw,cap,hexagon Head

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-543-4406 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-543-4406 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-543-4406. Primary manufacturer part number: MS35307-370.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Head Style: HEXAGON
  • Width Between Flats: 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
  • Head Height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
  • Fastener Length: 3.000 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: QQ-P-416,TY2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 302 or Steel Comp 303 or Steel Comp 304 or Steel Comp 305 or Steel Comp 316 Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-543-4406, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-543-4406
Primary Part NumberMS35307-370
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Head StyleHEXAGON
Width Between Flats0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Head Height0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
Fastener Length3.000 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-416,TY2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL
Nominal Thread Diameter0.375 INCHES IN
Minimum Tensile Strength80000 POUNDS PER SQUARE INCH LBS
Thread Length1.000 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
Thread Quantity Per Inch16
Thread DirectionRIGHT-HAND
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5305-00-021-3806001-020121-000 INTERCHANGEABLE
Screw,cap,hexagon Head
Insitu, Inc.
5305-01-422-9270MS35307-413S316 INTERCHANGEABLE
Screw,cap,hexagon Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-01-423-5372 INTERCHANGEABLE
Screw,cap,hexagon Head
Cross-Reference Index
Part NumberManufacturer
3H6624 Caterpillar Inc Div Caterpillar Defense (USA)
MS35307-370 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS35307-413 Zf Industrieantriebe Witten Gmbh (DEU)
MS35307-370 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
ASC1542795 Asc Pty Ltd (AUS)
Related Parts
5305-00-021-3806INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
001-020121-000
5305-01-422-9270INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
MS35307-413S316
5305-01-423-5372INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD

Frequently Asked Questions

What is NSN 5305-00-543-4406?

NSN 5305-00-543-4406 is a Screw,cap,hexagon Head, 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: active.

What are the part numbers for NSN 5305-00-543-4406?

NSN 5305-00-543-4406 has 5 cross-referenced part numbers: 3H6624 (Caterpillar Inc Div Caterpillar Defense), MS35307-370 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS35307-413 (Zf Industrieantriebe Witten Gmbh), MS35307-370 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), ASC1542795 (Asc Pty Ltd).

What NSN replaces 5305-00-543-4406?

There are 3 known substitutes for 5305-00-543-4406: 5305-00-021-3806, 5305-01-422-9270, 5305-01-423-5372. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35307-370?

Key specifications for MS35307-370: Head Style: HEXAGON; Width Between Flats: 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN; Head Height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN; Fastener Length: 3.000 INCHES NOMINAL IN. 15 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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