Model: 7R77

Setscrew

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.820 inches

Fastener Length

Between 1.155 inches and 1.160 inches

Head Style

Hexagon

Head Height

Between 0.240 inches and 0.250 inches

Width Between Flats

Between 0.5545 inches and 0.5625 inches

Point Length

Between 0.160 inches and 0.170 inches

Point Diameter

Between 0.265 inches and 0.270 inches

Point Style

Dog

Internal Drive Style

W/o internal drive

Thread Diameter

0.375 inches

Features Provided

Casehardened

Thready Qty Per Inch (tpi)

Hardness Rating

498.0 vickers or firth diamond pyramid and 560.0 vickers or firth diamond pyramid

Material

Steel

Material Specification

Sta5, v 18a, k3339 mfr ref single material response

Surface Treatment

Phosphate

Surface Treatment Specification

Def.29, class 1, k3339 mfr ref single treatment response

Thread Series Designator

Unf

NSN

5305-00-169-0765

Part Number

7R77

Description

Setscrew

CAGE

K3743

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 7R77 NSN 5305-00-169-0765

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:

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