Model: 1786858

Machine Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.132 inches and 0.199 inches

Fastener Length

Between 0.219 inches and 0.250 inches

Head Style

Flat countersunk

Head Diameter

Between 0.147 inches and 0.172 inches

Internal Drive Style

Cross recess type 1

Thread Diameter

0.086 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

Stainless steel or steel

Screw Material Specification

Qq-s-763, 300 series federal specification 1st material response or 66, 300 series federal standard 1st material response or comp 16-18 or 18-8 assn standard 2nd material response

Screw Surface Treatment

Oxide

Screw Surface Treatment Specification

Mil-c-13924, cl 4 military specification single treatment response

Thread Series Designator

Unc

Nondefinitive Specification/std Data

3 type and 2c style

Departure From Cited Designator

As modified by finish

NSN

5305-00-455-2507

Part Number

1786858

Description

Screw,machine

CAGE

10001

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 1786858 NSN 5305-00-455-2507

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 5305-00-455-2507 is a component of

Advanced Medium Range Air-to-air (amraam)/aim120a Missile
Hc-130) Ec-130e Mc-130h Sof ( Ac-130h Aircraft
An/tsc-85c Communications Terminal
Ground Mobile Force Satellite Comm Term (an/tsc-93a)
Non-trident Exterior Communication
C-2a (reprocured) Aircraft
Mh-53e Helicopter
Ah-1w Advance Attack Helicopter
Harm Air-to-ground Missile
014594870
Attitude Indicator
011877844
Facsimile Lightwe
005764866
Radio Transmitter
007023557
Film Magazine
011463260
Kg-84a
004356212
Film Magazine
003977852
Interrogator Set Control
001683292
Film Magazine
002322171
Radar Set Subassembly
008592225
Power Supply
010818140
Chemical Agent Automatic Alarm Detector Unit
010377339
Night Vision Sight
011504140
Diesel Engine Generator Set
012721915
Tactical S Terminal
011055623
Automatic Chemical Agent Alarm
014722073
Television Camera Lens
010932739
Power Supply
013279838
Antenna Group
001798429
Infrared Detecting Set
013467682
Assembly Gimbal
013536592
Power Supply
013681169
Electrical-electronic Equipment Chassis
013047573
Indicator Control Group
013996365
Diffuser-shutter As
013616137
Vaneaxial Fan
012543041
Gimbal Assembly
012562550
Optical Instrument Eyepiece Assembly
014239772
Optical Instrument Cell Assembly
013983957
Sensor Unit Assembl
012551578
Radar Target Indicator
013400901
Antenna Control Subassembly
013996782
Optical Instrument Cell Assembly
011275077
Cargo Truck
011502593
Switch Assembly
012249334
Indicator Assembly
011021070
Keyer Control
010628194
Communicat Terminal
010791708
Scanner Assembly
010724373
Infrared Collimator
010754495
Solenoid Assembly
010524956
Mechanical Scanner
012509557
Si Modem Converter
009356955
Automatic Chemical Agent Alarm
010414689
Film Magazine
010564836
Pho Source Assembly
008592215
Chemical Agent Automatic Alarm Alarm Unit
010883669
Cargo-transport Helicopter
010308593
Mechanical Scanner
008790899
Film Magazine

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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