PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN505-4R7Screw,machine

Aeronautical Standards Group Dept of Navy and Air Force · NSN 5305-01-285-8704 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-285-8704 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-285-8704. Primary manufacturer part number: AN505-4R7.
Features
  • Screw,machine — FSC 5305
  • Screw Surface Treatment: CADMIUM AND CHROMATE
  • Thread Quantity Per Inch: 40
  • Screw Surface Treatment Document and Classification: QQ-P-416 TY1 CL3 FED SPEC ALL TREATMENT RESPONSES
  • Minimum Tensile Strength: 55000 POUNDS PER SQUARE INCH LBS
  • Head Diameter: 0.207 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
  • Countersink Angle: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
  • Internal Drive Style: CROSS RECESS TYPE 1
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-285-8704, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aeronautical Standards Group Dept of Navy and Air Force. Government technical data includes 16 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
NSN5305-01-285-8704
Primary Part NumberAN505-4R7
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAeronautical Standards Group Dept of Navy and Air Force
StatusACTIVE
Screw Surface TreatmentCADMIUM AND CHROMATE
Thread Quantity Per Inch40
Screw Surface Treatment Document and ClassificationQQ-P-416 TY1 CL3 FED SPEC ALL TREATMENT RESPONSES
Minimum Tensile Strength55000 POUNDS PER SQUARE INCH LBS
Head Diameter0.207 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
Countersink Angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
Internal Drive StyleCROSS RECESS TYPE 1
Screw Material Document and ClassificationQQ-S-671 FED SPEC SINGLE MATERIAL RESPONSE
Thread Class2A A
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Diameter0.112 INCHES IN
Screw MaterialSTEEL COMP 1010
Thread Length0.371 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN
Head StyleFLAT COUNTERSUNK
Fastener Length0.438 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-958-6230MS35190-224 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
AN505-4R7 Aeronautical Standards Group Dept of Navy and Air Force (USA)
Related Parts
5305-00-958-6230INTERCHANGEABLE
SCREW,MACHINE
MS35190-224

Frequently Asked Questions

What is NSN 5305-01-285-8704?

NSN 5305-01-285-8704 is a Screw,machine, manufactured by Aeronautical Standards Group Dept of Navy and Air Force, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-285-8704?

NSN 5305-01-285-8704 has 1 cross-referenced part number: AN505-4R7 (Aeronautical Standards Group Dept of Navy and Air Force).

What NSN replaces 5305-01-285-8704?

There is 1 known substitute for 5305-01-285-8704: 5305-00-958-6230. Verify interchangeability with system specifications before substitution.

What are the specifications of AN505-4R7?

Key specifications for AN505-4R7: Screw Surface Treatment: CADMIUM AND CHROMATE; Thread Quantity Per Inch: 40; Screw Surface Treatment Document and Classification: QQ-P-416 TY1 CL3 FED SPEC ALL TREATMENT RESPONSES; Minimum Tensile Strength: 55000 POUNDS PER SQUARE INCH LBS. 16 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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