PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN565E820H16Setscrew

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-409-1651 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-409-1651 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-409-1651. Primary manufacturer part number: AN565E820H16.
Features
  • Setscrew — FSC 5305
  • Fastener Length: 0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN
  • Thread Length: 0.861 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN
  • Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
  • Width Across Flats: 0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Nondefinitive Spec/std Data: 1 TYPE AND 6 STYLE
Applications
  • Applications requiring Steel Comp 4037 or Steel Comp 4137 or Steel Comp 8740 or Steel Comp 8630h Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-409-1651, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-409-1651
Primary Part NumberAN565E820H16
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Fastener Length0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN
Thread Length0.861 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN
Hardness Rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
Width Across Flats0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Nondefinitive Spec/std Data1 TYPE AND 6 STYLE
Nominal Thread Diameter0.500 INCHES IN
MaterialSTEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 8740 OR STEEL COMP 8630H OVERALL
Point StyleHALF DOG
Internal Drive StyleHEXAGON
Thread Series DesignatorUNF
Thread DirectionRIGHT-HAND
Head StyleHEADLESS (SETSCREW)
Thread Class3A A
Thread Quantity Per Inch20
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-297-4009AN565A8H12 INTERCHANGEABLE
Setscrew
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-377-0607 INTERCHANGEABLE
Setscrew
5305-00-638-1832AN565DC4H2 INTERCHANGEABLE
Setscrew
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-722-2735 INTERCHANGEABLE
Setscrew
5305-00-823-5719 INTERCHANGEABLE
Setscrew
5305-00-846-0701 INTERCHANGEABLE
Setscrew
5305-00-877-8742 INTERCHANGEABLE
Setscrew
5305-01-006-8979 INTERCHANGEABLE
Setscrew
5305-01-194-4976NASM565BC2L1 INTERCHANGEABLE
Setscrew
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-01-245-7192AN565F524H16 INTERCHANGEABLE
Setscrew
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
AN565E820H16 Aeronautical Standards Group Dept of Navy and Air Force (USA)
FFS200 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AN565E820H16 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NASM565 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
5305-00-297-4009INTERCHANGEABLE
SETSCREW
AN565A8H12
5305-00-377-0607INTERCHANGEABLE
SETSCREW
5305-00-638-1832INTERCHANGEABLE
SETSCREW
AN565DC4H2
5305-00-722-2735INTERCHANGEABLE
SETSCREW
5305-00-823-5719INTERCHANGEABLE
SETSCREW
5305-00-846-0701INTERCHANGEABLE
SETSCREW
5305-00-877-8742INTERCHANGEABLE
SETSCREW
5305-01-006-8979INTERCHANGEABLE
SETSCREW
5305-01-194-4976INTERCHANGEABLE
SETSCREW
NASM565BC2L1
5305-01-245-7192INTERCHANGEABLE
SETSCREW
AN565F524H16
5305-01-464-3860INTERCHANGEABLE
SETSCREW
AN565E820H9
5305-01-524-4879INTERCHANGEABLE
SETSCREW

Frequently Asked Questions

What is NSN 5305-00-409-1651?

NSN 5305-00-409-1651 is a Setscrew, 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 5305-00-409-1651?

NSN 5305-00-409-1651 has 4 cross-referenced part numbers: AN565E820H16 (Aeronautical Standards Group Dept of Navy and Air Force), FFS200 (Federal Specifications Promulgated by General Services Administration Washington DC), AN565E820H16 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NASM565 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5305-00-409-1651?

There are 12 known substitutes for 5305-00-409-1651: 5305-00-297-4009, 5305-00-377-0607, 5305-00-638-1832 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AN565E820H16?

Key specifications for AN565E820H16: Fastener Length: 0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN; Thread Length: 0.861 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN; Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL; Width Across Flats: 0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN. 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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