Model: 51281

Setscrew

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 1.110 inches and 1.150 inches

Fastener Length

Between 1.310 inches and 1.330 inches

Head Style

Flat chamfer

Head Diameter

Between 0.230 inches and 0.250 inches

Head Height

Between 0.110 inches and 0.130 inches

Point Length

Between 0.180 inches and 0.200 inches

Point Diameter

Between 0.180 inches and 0.185 inches

Point Style

Chamfer dog

Internal Drive Style

Cross recess type 1

Thread Diameter

0.312 inches

Thready Qty Per Inch (tpi)

Point Chamfer Angle

45.0 degrees

Material

Steel comp 1213

Material Specification

Qq-s-633 federal specification single material response

Thread Series Designator

Unf

NSN

5305-00-286-0520

Part Number

51281

Description

Setscrew

CAGE

63728

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

Part 51281 NSN 5305-00-286-0520

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06672

FIIG:

A003B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

50.0

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7318152000
SITC: 69421
End Use: Iron and steel products, other
NAICS: 332722
USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment