Model: MS51959-52

Machine Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 1.688 inches and 1.750 inches

Fastener Length

1.750 inches

Head Style

Flat countersunk

Head Diameter

Between 0.292 inches and 0.332 inches

Internal Drive Style

Cross recess type 1

Thread Diameter

0.164 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

80000 pounds per square inch

Countersink Angle

Between 80.0 degrees and 82.0 degrees

Screw Material

Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316

Screw Material Specification

66 federal standard all material responses

Screw Surface Treatment

Passivate

Screw Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Thread Series Designator

Unc

NSN

5305-00-764-0080

Part Number

MS51959-52

Description

Screw,machine

CAGE

96906

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

Part MS51959-52 NSN 5305-00-764-0080

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06657

FIIG:

A500D0

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

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

End Items End applications NSN 5305-00-764-0080 is a component of

Mh-53e Helicopter
Ah-1w Advance Attack Helicopter
Sh-60f Carrier Based Asw Helicopter
Hh-60h Search And Rescue Helicopter
Hh-60j Uscg Search And Rescue Helicopter
Spruance Class Dd (963)
Forrestal Class Cv
Nimitz Class Cvn
Oliver Perry Class Ffg
012961360
Electrical-electronic Equipment Test Fixture
011150060
Wheeled Carrier
010488824
Lo Paper Tape Punch
009119775
Radar Set Control

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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