PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1016-27Screw,cap,hexagon Head

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-01-080-3779 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-080-3779 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-080-3779. Primary manufacturer part number: NAS1016-27.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Surface Treatment: PASSIVATE OVERALL
  • Specification/standard Data: 80205-NAS1016 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF)
  • Thread Quantity Per Inch: 12
  • Material Document and Classification: AMS 5732 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5737 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5733 ASSN STD 2ND MATERIAL RESPONSE OVERALL
  • Material: IRON ALLOY 660 OVERALL
  • Width Between Flats: 1.427 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Iron Alloy 660 Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-080-3779, 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 17 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: Active.

Technical Specifications
ParameterValue
NSN5305-01-080-3779
Primary Part NumberNAS1016-27
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Surface TreatmentPASSIVATE OVERALL
Specification/standard Data80205-NAS1016 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF)
Thread Quantity Per Inch12
Material Document and ClassificationAMS 5732 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5737 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5733 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MaterialIRON ALLOY 660 OVERALL
Width Between Flats1.427 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN
Thread Length1.451 INCHES MINIMUM AND 1.511 INCHES MAXIMUM IN
Head Height0.531 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
Head StyleHEXAGON
Fastener Length3.154 INCHES MINIMUM AND 3.184 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread DirectionRIGHT-HAND
Thread Class3A A
Nominal Thread Diameter1.000 INCHES IN
Shank Unthreaded Hole Diameter0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE IN
Distance From Head Largest Bearing Surface to Shank Hole Center2.772 INCHES MINIMUM AND 2.792 INCHES MAXIMUM FIRST HOLE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-00-340-5424NAS1189E06P6 INTERCHANGEABLE
Screw,cap,socket Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5306-01-004-9474327B455P23 INTERCHANGEABLE
Bolt,machine
General Electric Company Dba Ge Aerospace
Cross-Reference Index
Part NumberManufacturer
AS7478 Society of Automotive Engineers Inc (USA)
AS7478 Sae International Dba Sae International (USA)
NAS1016-27 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
5305-00-340-5424INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
NAS1189E06P6
5306-01-004-9474INTERCHANGEABLE
BOLT,MACHINE
327B455P23

Frequently Asked Questions

What is NSN 5305-01-080-3779?

NSN 5305-01-080-3779 is a Screw,cap,hexagon 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: active.

What are the part numbers for NSN 5305-01-080-3779?

NSN 5305-01-080-3779 has 3 cross-referenced part numbers: AS7478 (Society of Automotive Engineers Inc), AS7478 (Sae International Dba Sae International), NAS1016-27 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5305-01-080-3779?

There are 2 known substitutes for 5305-01-080-3779: 5305-00-340-5424, 5306-01-004-9474. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1016-27?

Key specifications for NAS1016-27: Surface Treatment: PASSIVATE OVERALL; Specification/standard Data: 80205-NAS1016 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF); Thread Quantity Per Inch: 12. 18 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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