Model: GS550BU06-20

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.750 inches

Fastener Length

Between 1.234 inches and 1.266 inches

Head Style

Flat chamfer

Head Diameter

Between 0.218 inches and 0.226 inches

Head Height

Between 0.134 inches and 0.138 inches

Internal Drive Style

Hexagon

Thread Diameter

0.138 inches

Width Across Flats

Between 0.109 inches and 0.111 inches

Thready Qty Per Inch (tpi)

Extra Long Reference Number

Series 1960 no. 6-32 x 1 1/4 type 18-8

Material

Steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303 plus x or steel comp 303se or steel comp 303cu

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Thread Series Designator

Unc

Reference Number Differentiating Characteristics

As differentiated by extra long reference number

NSN

5305-01-143-5036

Part Number

GS550BU06-20

Description

Screw,cap,socket Head

CAGE

26512

An externally threaded fastener whose threaded portion is of one nominal 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.

Part GS550BU06-20 NSN 5305-01-143-5036

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16282

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