Socket Head Cap Screw

Model / MPN: 0.312-18UNC X 0.875-NICU | NSN: 5305-01-337-3257

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

5305-01-337-3257

Sold in multiples of

1 EA

DEMIL

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.764 inches and 0.875 inches

Fastener Length

0.875 inches

Head Style

Flat chamfer

Head Diameter

Between 0.457 inches and 0.469 inches

Head Height

Between 0.306 inches and 0.312 inches

Internal Drive Style

Hexagon

Thread Diameter

0.312 inches

Width Across Flats

0.250 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

80000 pounds per square inch

Minimum Yield Strength

40000 pounds per square inch

Material

Nickel alloy 400

Material Specification

Qq-n-281, cla federal specification single material response

Thread Series Designator

Unc

0.312 Series Parts

Solicitations

Solicitation	Description	Qty	UOM	Close Date
SPE5E216TE438	Screw, Cap, Socket He	12	EA	08/08/2016

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.

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0.312-18UNC X 0.875-NICU Cross Reference

695049
FF-S-86 TY6,.31 2-18UNC-3AX.875
FF-S-86
845-4788683 SHEET 100