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5305-00-139-8178

Machine Screw

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Official Item Classification

Nombre
Machine Screw
(NSN) Número de stock nacional
5305-00-139-8178
(FSG) Grupo de suministro federal
53 Hardware and Abrasives
(FSC) Clasificación Federal de Suministros
5305 Tornillos
(INC) Código de nombre del artículo
06657
(FIIG) Guía Federal de Identificación de Artículos
A500D0
Fecha
08/18/1971 (hace 55 años)

flat countersunk undercut head style, 1.176 inches minimum and 1.206 inches maximum fastener length, 3a thread class, 0.291 inches minimum and 0.341 inches maximum thread length, right-hand thread direction

Specs & Compatibility

Clase de rosca

3a

Dirección de la rosca

right-hand

Longitud de la rosca

0.291 inches minimum and 0.341 inches maximum

Longitud del sujetador

1.176 inches minimum and 1.206 inches maximum

Estilo de cabeza

flat countersunk undercut

Diámetro de la cabeza

0.600 inches minimum and 0.666 inches maximum

Altura de la cabeza

0.097 inches nominal

Estilo de unidad interna

torque set

Diámetro nominal de la rosca

0.250 inches

Cantidad de hilo por pulgada

28

Resistencia mínima a la tracción

160000 pounds per square inch

Ángulo de avellanado

100.0 degrees nominal

Material del tornillo

steel comp 8740

Documento y clasificación del material del tornillo

mil-s-6049 mil spec single material response

Tratamiento de la superficie del tornillo

cadmium and chromate

Documento y clasificación del tratamiento de la superficie del tornillo

qq-p-416,type 2,class 2 fed spec single treatment response

Características especiales

bearing surface of head grooved to accommodate o-ring and furnished with polytetrafluoroethylene washer & rubber o-ring

Designador de serie de roscas

unjf

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0006657

Related Hardware Products

Número de Parte Descripción
ABS20642-4F14 Machine Screw

Preguntas frecuentes

What is the FSCG of the NSN 5305-00-139-8178?
The FSCG of the NSN 5305-00-139-8178 is 5305
Does the NSN 5305-00-139-8178 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-139-8178 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5305-00-139-8178 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-139-8178 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5305-00-139-8178 was assigned to the Federal Catalog?
It was assigned hace 55 años, on Wed, Aug 18, 1971