PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS206-11Screw,machine

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-274-0551 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-274-0551 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-274-0551. Primary manufacturer part number: NAS206-11.
Features
  • Screw,machine — FSC 5305
  • Thread Class: 3A A
  • Minimum Tensile Strength: 125000 POUNDS PER SQUARE INCH LBS
  • Thread Length: 0.531 INCHES MINIMUM IN
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Countersink Angle: 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
  • Screw Surface Treatment: CADMIUM
  • Fastener Length: 0.703 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-274-0551, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-274-0551
Primary Part NumberNAS206-11
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Thread Class3A A
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Thread Length0.531 INCHES MINIMUM IN
Nominal Thread Diameter0.250 INCHES IN
Countersink Angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
Screw Surface TreatmentCADMIUM
Fastener Length0.703 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Screw MaterialSTEEL
Head StyleFLAT COUNTERSUNK
Head Diameter0.447 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
Thread Quantity Per Inch28
Thread Series DesignatorUNF
Thread DirectionRIGHT-HAND
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Internal Drive StyleCROSS RECESS TYPE 1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5330-00-079-191911601229 INTERCHANGEABLE
Seal,plain Encased
U S Army Tank Automotive Command Amsta-Im-Mm
5905-00-110-0310 INTERCHANGEABLE
Resistor,fixed,composition
5998-01-069-3401410071 INTERCHANGEABLE
Circuit Card Assembly
Telemechanics Inc
5315-01-395-961441007-01 INTERCHANGEABLE
Key,machine
Aps Systems, Inc Dba Eidal International Corp
Cross-Reference Index
Part NumberManufacturer
410 071 Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company (USA)
AN509-416R11 Aeronautical Standards Group Dept of Navy and Air Force (USA)
NAS206-11 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
5330-00-079-1919INTERCHANGEABLE
SEAL,PLAIN ENCASED
11601229
5905-00-110-0310INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5998-01-069-3401INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
410071
5315-01-395-9614INTERCHANGEABLE
KEY,MACHINE
41007-01

Frequently Asked Questions

What is NSN 5305-00-274-0551?

NSN 5305-00-274-0551 is a Screw,machine, 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: cancelled.

What are the part numbers for NSN 5305-00-274-0551?

NSN 5305-00-274-0551 has 3 cross-referenced part numbers: 410 071 (Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company), AN509-416R11 (Aeronautical Standards Group Dept of Navy and Air Force), NAS206-11 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5305-00-274-0551?

There are 4 known substitutes for 5305-00-274-0551: 5330-00-079-1919, 5905-00-110-0310, 5998-01-069-3401 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS206-11?

Key specifications for NAS206-11: Thread Class: 3A A; Minimum Tensile Strength: 125000 POUNDS PER SQUARE INCH LBS; Thread Length: 0.531 INCHES MINIMUM IN; Nominal Thread Diameter: 0.250 INCHES IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-274-0551 still in active supply?

NSN 5305-00-274-0551 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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