PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35309Screw,cap,hexagon Head

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5305-01-633-9898 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-633-9898 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-633-9898. Primary manufacturer part number: MS35309.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Minimum Tensile Strength: 60000 POUNDS PER SQUARE INCH LBS
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Thread Length: 1.000 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
  • Fastener Length: 1.335 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
  • Width Between Flats: 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
  • Head Style: HEXAGON
  • Head Height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-633-9898, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-633-9898
Primary Part NumberMS35309
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Minimum Tensile Strength60000 POUNDS PER SQUARE INCH LBS
Nominal Thread Diameter0.375 INCHES IN
Thread Length1.000 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
Fastener Length1.335 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
Width Between Flats0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Head StyleHEXAGON
Head Height0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
Thread Quantity Per Inch16
Thread Class2A A
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-609-945017331 INTERCHANGEABLE
Screw,cap,hexagon Head
Jenny Products, Inc
Cross-Reference Index
Part NumberManufacturer
MS35309 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS35309-363 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5305-00-609-9450INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
17331

Frequently Asked Questions

What is NSN 5305-01-633-9898?

NSN 5305-01-633-9898 is a Screw,cap,hexagon Head, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-633-9898?

NSN 5305-01-633-9898 has 2 cross-referenced part numbers: MS35309 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS35309-363 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5305-01-633-9898?

There is 1 known substitute for 5305-01-633-9898: 5305-00-609-9450. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35309?

Key specifications for MS35309: Minimum Tensile Strength: 60000 POUNDS PER SQUARE INCH LBS; Nominal Thread Diameter: 0.375 INCHES IN; Thread Length: 1.000 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN; Fastener Length: 1.335 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN. 11 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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