PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F-F-S-86 TYPE 6Screw,cap,socket Head

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5305-01-265-2069 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-265-2069 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-265-2069. Primary manufacturer part number: F-F-S-86 TYPE 6.
Features
  • Screw,cap,socket Head — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Thread Length: 0.720 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
  • Fastener Length: 0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
  • Material Document and Classification: ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Head Diameter: 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
  • Head Height: 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
  • Nondefinitive Spec/std Data: 2 TYPE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4340 Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-265-2069, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-265-2069
Primary Part NumberF-F-S-86 TYPE 6
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Thread DirectionRIGHT-HAND
Thread Length0.720 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
Fastener Length0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
Material Document and ClassificationASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Head Diameter0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Head Height0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Nondefinitive Spec/std Data2 TYPE
Head StyleFLAT CHAMFER
Width Across Flats0.312 INCHES NOMINAL IN
MaterialSTEEL COMP 4340 OVERALL
Thread Quantity Per Inch16
Nominal Thread Diameter0.375 INCHES IN
Internal Drive StyleHEXAGON
Thread Class3A A
Minimum Tensile Strength180000 POUNDS PER SQUARE INCH LBS
Hardness Rating39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
Minimum Yield Strength155000 POUNDS PER SQUARE INCH LBS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5305-00-080-4480 INTERCHANGEABLE
Screw,cap,socket Head
5305-00-227-100312F1007-293 INTERCHANGEABLE
Screw,cap,socket Head
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5305-00-273-555712Z1196-14 INTERCHANGEABLE
Screw,cap,socket Head
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5305-00-273-558112Z1007-217 INTERCHANGEABLE
Screw,cap,socket Head
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5305-00-806-2582 INTERCHANGEABLE
Screw,cap,socket Head
5305-00-865-165660-16-1362 INTERCHANGEABLE
Screw,cap,socket Head
Electric Boat Corporation Div General Dynamics Electric Boat
5305-00-865-165960-16-1672 INTERCHANGEABLE
Screw,cap,socket Head
Electric Boat Corporation Div General Dynamics Electric Boat
5305-00-866-310460-16-1670A INTERCHANGEABLE
Screw,cap,socket Head
Electric Boat Corporation Div General Dynamics Electric Boat
5305-00-952-0343 INTERCHANGEABLE
Screw,cap,socket Head
5305-00-995-1539 INTERCHANGEABLE
Screw,cap,socket Head
Cross-Reference Index
Part NumberManufacturer
F-F-S-86 TYPE 6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5305-00-080-4480INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-00-227-1003INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
12F1007-293
5305-00-273-5557INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
12Z1196-14
5305-00-273-5581INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
12Z1007-217
5305-00-806-2582INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-00-865-1656INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
60-16-1362
5305-00-865-1659INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
60-16-1672
5305-00-866-3104INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
60-16-1670A
5305-00-952-0343INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-00-995-1539INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-107-7994INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
20098-4C20C

Frequently Asked Questions

What is NSN 5305-01-265-2069?

NSN 5305-01-265-2069 is a Screw,cap,socket Head, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-265-2069?

NSN 5305-01-265-2069 has 2 cross-referenced part numbers: F-F-S-86 TYPE 6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5305-01-265-2069?

There are 11 known substitutes for 5305-01-265-2069: 5305-00-080-4480, 5305-00-227-1003, 5305-00-273-5557 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of F-F-S-86 TYPE 6?

Key specifications for F-F-S-86 TYPE 6: Thread Direction: RIGHT-HAND; Thread Length: 0.720 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN; Fastener Length: 0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN; Material Document and Classification: ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 19 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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