PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35229-31Screw,machine

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5305-00-550-9349 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-550-9349 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-550-9349. Primary manufacturer part number: MS35229-31.
Features
  • Screw,machine — FSC 5305
  • Nondefinitive Spec/std Data: 1 TYPE AND 9S STYLE
  • Thread Direction: RIGHT-HAND
  • Thread Length: 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 32
  • Internal Drive Style: SLOT
  • Screw Material Document and Classification: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE
  • Minimum Tensile Strength: 55000 POUNDS PER SQUARE INCH LBS
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-550-9349, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN5305-00-550-9349
Primary Part NumberMS35229-31
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Nondefinitive Spec/std Data1 TYPE AND 9S STYLE
Thread DirectionRIGHT-HAND
Thread Length0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Internal Drive StyleSLOT
Screw Material Document and ClassificationQQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE
Minimum Tensile Strength55000 POUNDS PER SQUARE INCH LBS
Screw MaterialCOPPER ALLOY
Head Diameter0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Nominal Thread Diameter0.138 INCHES IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Fastener Length0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Thread Class2A A
Head Height0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
Head StylePAN NO. 2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-638-0502MS35214-28 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
MS35229-31 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
FFS92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5305-00-638-0502INTERCHANGEABLE
SCREW,MACHINE
MS35214-28

Frequently Asked Questions

What is NSN 5305-00-550-9349?

NSN 5305-00-550-9349 is a Screw,machine, 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 5305-00-550-9349?

NSN 5305-00-550-9349 has 2 cross-referenced part numbers: MS35229-31 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), FFS92 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5305-00-550-9349?

There is 1 known substitute for 5305-00-550-9349: 5305-00-638-0502. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35229-31?

Key specifications for MS35229-31: Nondefinitive Spec/std Data: 1 TYPE AND 9S STYLE; Thread Direction: RIGHT-HAND; Thread Length: 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Thread Quantity Per Inch: 32. 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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