PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35311-217Screw,cap,hexagon Head

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5305-00-226-9235 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-226-9235 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-226-9235. Primary manufacturer part number: MS35311-217.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Class: 2A A
  • Thread Quantity Per Inch: 9
  • Width Between Flats: 1.285 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
  • Head Height: 0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
  • Material Document and Classification: QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL
  • Material: NICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy 400 or Nickel Alloy R-405 Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-226-9235, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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
NSN5305-00-226-9235
Primary Part NumberMS35311-217
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
Thread Class2A A
Thread Quantity Per Inch9
Width Between Flats1.285 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
Head Height0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
Material Document and ClassificationQQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL
MaterialNICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head StyleHEXAGON
Thread Length2.000 INCHES MINIMUM AND 2.277 INCHES MAXIMUM IN
Nominal Thread Diameter0.875 INCHES IN
Fastener Length4.000 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-01-041-2825 INTERCHANGEABLE
Screw,cap,hexagon Head
Cross-Reference Index
Part NumberManufacturer
MS35311-217 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5305-01-041-2825INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD

Frequently Asked Questions

What is NSN 5305-00-226-9235?

NSN 5305-00-226-9235 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 5305-00-226-9235?

NSN 5305-00-226-9235 has 1 cross-referenced part number: MS35311-217 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5305-00-226-9235?

There is 1 known substitute for 5305-00-226-9235: 5305-01-041-2825. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35311-217?

Key specifications for MS35311-217: Thread Class: 2A A; Thread Quantity Per Inch: 9; Width Between Flats: 1.285 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN; Head Height: 0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN. 12 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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