Socket Head Cap Screw

Model / MPN: FF-S-86 | NSN: 5305-00-004-4040

An externally threaded fastener whose threaded portion is of one diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Product Details

NATO Stock Number

5305-00-004-4040

Sold in multiples of

100 EA

DEMIL

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.297 inches and 0.391 inches

Fastener Length

Between 0.359 inches and 0.391 inches

Head Style

Flat chamfer

Head Diameter

Between 0.303 inches and 0.312 inches

Head Height

Between 0.185 inches and 0.190 inches

Locking Feature

Patch threads or pellet threads or strip threads

Internal Drive Style

Hexagon

Thread Diameter

0.190 inches

Width Across Flats

Between 0.156 inches and 0.159 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

180000 pounds per square inch

Hardness Rating

38.0 rockwell c and 45.0 rockwell c

Minimum Yield Strength

155000 pounds per square inch

Material

Plastic polyamide locking feature

Material

Steel fastener

Material Specification

66 federal standard single material response

Surface Treatment

Oxide fastener

Surface Treatment Specification

Mil-c-13924, class 3 military specification single treatment response fastener

Thread Series Designator

Unrf

Specification Data

80205-nas1351 professional/industrial association standard

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

FF-S-86 Cross Reference

NAS1351-3LE6
LK1351-3LE6