Model: MS51955-20

Setscrew

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.875 inches

Fastener Length

Between 0.844 inches and 0.875 inches

Head Style

Square

Head Height

Between 0.224 inches and 0.245 inches

Width Between Flats

Between 0.302 inches and 0.312 inches

Point Style

Cup

Internal Drive Style

W/o internal drive

Thread Diameter

0.312 inches

Thready Qty Per Inch (tpi)

Hardness Rating

30.0 rockwell c and 37.0 rockwell c

Material Specification

66 federal standard all material responses

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416 type 2 class 3 federal specification all treatment responses

Thread Series Designator

Unc

NSN

5305-00-058-0764

Part Number

MS51955-20

Description

Setscrew

CAGE

96906

Part MS51955-20 NSN 5305-00-058-0764

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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