Model: MS51974-139

Setscrew

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.552 inches and 0.572 inches

Fastener Length

Between 0.552 inches and 0.572 inches

Head Style

Headless (setscrew)

Locking Feature

Pellet threads or patch threads or strip threads

Point Style

Cone

Internal Drive Style

Hexagon

Thread Diameter

0.375 inches

Width Across Flats

0.188 inches

Thready Qty Per Inch (tpi)

Hardness Rating

45.0 rockwell c and 53.0 rockwell c 45.0 rockwell c fastener and 53.0 rockwell c fastener

Material

Steel plastic polyamide locking featuresteel comp 4032 fastener or steel comp 4037 fastener or steel comp 4137 fastener or steel comp 4140 fastener or steel comp 8630 fastener or steel comp 8740 fastener

Surface Treatment

Cadmium and chromate cadmium fastener and chromate fastener

Surface Treatment Specification

Qq-p-416, type 2, cl 3 federal specification single treatment response qq-p-416, type 2, cl 3 federal specification single treatment response fastener

Thread Series Designator

Unf

Nondefinitive Specification/std Data

1 type and 101 style

NSN

5305-01-358-3659

Part Number

MS51974-139

Description

Setscrew

CAGE

80205

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 MS51974-139 NSN 5305-01-358-3659

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