PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1352-066PScrew,cap,socket Head

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-480-3971 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-480-3971 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-480-3971. Primary manufacturer part number: NAS1352-066P.
Features
  • Screw,cap,socket Head — FSC 5305
  • Width Across Flats: 0.109 INCHES MINIMUM AND 0.111 INCHES MAXIMUM IN
  • Minimum Yield Strength: 155000 POUNDS PER SQUARE INCH LBS
  • Specification/standard Data: 80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Nominal Thread Diameter: 0.138 INCHES IN
  • Head Height: 0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN
  • Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
  • Thread Series Designator: UNRC
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-480-3971, 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 19 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-480-3971
Primary Part NumberNAS1352-066P
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Width Across Flats0.109 INCHES MINIMUM AND 0.111 INCHES MAXIMUM IN
Minimum Yield Strength155000 POUNDS PER SQUARE INCH LBS
Specification/standard Data80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nominal Thread Diameter0.138 INCHES IN
Head Height0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN
Hardness Rating38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
Thread Series DesignatorUNRC
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
MaterialSTEEL OVERALL
Fastener Length0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Thread Length0.283 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Internal Drive StyleHEXAGON
Head StyleFLAT CHAMFER
Thread Quantity Per Inch32
Thread DirectionRIGHT-HAND
Thread Class3A A
Minimum Tensile Strength180000 POUNDS PER SQUARE INCH LBS
Head Diameter0.218 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5305-00-978-9347 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-274-5572NAS1352-06-6P INTERCHANGEABLE
Screw,cap,socket Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
090-45099C6-12 Moog Inc (USA)
5305PL0719008 Jednolity Indeks Materialowy - Uniform Material Index (POL)
NAS1352-066P PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
5305-00-978-9347INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-274-5572INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
NAS1352-06-6P

Frequently Asked Questions

What is NSN 5305-00-480-3971?

NSN 5305-00-480-3971 is a Screw,cap,socket Head, 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 5305-00-480-3971?

NSN 5305-00-480-3971 has 3 cross-referenced part numbers: 090-45099C6-12 (Moog Inc), 5305PL0719008 (Jednolity Indeks Materialowy - Uniform Material Index), NAS1352-066P (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5305-00-480-3971?

There are 2 known substitutes for 5305-00-480-3971: 5305-00-978-9347, 5305-01-274-5572. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1352-066P?

Key specifications for NAS1352-066P: Width Across Flats: 0.109 INCHES MINIMUM AND 0.111 INCHES MAXIMUM IN; Minimum Yield Strength: 155000 POUNDS PER SQUARE INCH LBS; Specification/standard Data: 80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Nominal Thread Diameter: 0.138 INCHES IN. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-480-3971 still in active supply?

NSN 5305-00-480-3971 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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