PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS608C832-8Screw,cap,socket Head

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-687-6738 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-687-6738 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-687-6738. Primary manufacturer part number: NAS608C832-8.
Features
  • Screw,cap,socket Head — FSC 5305
  • Nominal Thread Diameter: 0.164 INCHES IN
  • Nondefinitive Spec/std Data: 1 TYPE AND 11 STYLE
  • Material: STEEL CORROSION RESISTING OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Head Diameter: 0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
  • Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
  • Thread Class: 3A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-687-6738, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-687-6738
Primary Part NumberNAS608C832-8
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
StatusACTIVE
Nominal Thread Diameter0.164 INCHES IN
Nondefinitive Spec/std Data1 TYPE AND 11 STYLE
MaterialSTEEL CORROSION RESISTING OVERALL
Surface TreatmentPASSIVATE OVERALL
Head Diameter0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Hardness Rating36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
Thread Class3A A
Internal Drive StyleHEXAGON
Head StyleFLAT CHAMFER
Head Height0.160 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
Thread Length0.500 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch32
Width Across Flats0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
Fastener Length0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5305-00-207-7131 INTERCHANGEABLE
Screw,cap,socket Head
5305-00-570-6002 INTERCHANGEABLE
Screw,machine
5305-00-582-9523 INTERCHANGEABLE
Screw,cap,socket Head
5305-00-722-2736 INTERCHANGEABLE
Screw,cap,socket Head
5305-00-727-98705A31020 INTERCHANGEABLE
Screw,cap,socket Head
Triumph Engine Control Systems Llc
5305-00-804-5211NAS608C3-24 INTERCHANGEABLE
Screw,cap,socket Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-954-9810 INTERCHANGEABLE
Screw,cap,socket Head
5305-00-988-7602MS16995-26 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
NAS608C832-8 Leonardo Spa Helicopters Division - Production Site (ITA)
FFS86TYPE1STYLE2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
NAS608C832-8 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
5305-00-207-7131INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-00-570-6002INTERCHANGEABLE
SCREW,MACHINE
5305-00-582-9523INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-00-722-2736INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-00-727-9870INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5A31020
5305-00-804-5211INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
NAS608C3-24
5305-00-954-9810INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-00-988-7602INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
MS16995-26

Frequently Asked Questions

What is NSN 5305-00-687-6738?

NSN 5305-00-687-6738 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: active.

What are the part numbers for NSN 5305-00-687-6738?

NSN 5305-00-687-6738 has 3 cross-referenced part numbers: NAS608C832-8 (Leonardo Spa Helicopters Division - Production Site), FFS86TYPE1STYLE2 (Federal Specifications Promulgated by General Services Administration Washington DC), NAS608C832-8 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5305-00-687-6738?

There are 8 known substitutes for 5305-00-687-6738: 5305-00-207-7131, 5305-00-570-6002, 5305-00-582-9523 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS608C832-8?

Key specifications for NAS608C832-8: Nominal Thread Diameter: 0.164 INCHES IN; Nondefinitive Spec/std Data: 1 TYPE AND 11 STYLE; Material: STEEL CORROSION RESISTING OVERALL; Surface Treatment: PASSIVATE OVERALL. 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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