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207719-1

View detailed technical data, stock status, and sourcing information for: 207719-1

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207719-1
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-248-4476
Item Name Code
18257
Assigment Date
01/23/1987 (39 years ago)

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

right-hand thread direction, 0.545 inches minimum and 0.575 inches maximum fastener length, 2a thread class, hexagon head style, 0.545 inches minimum and 0.575 inches maximum thread length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
2a
Thread Direction
right-hand
Thread Length
0.545 inches minimum and 0.575 inches maximum
Fastener Length
0.545 inches minimum and 0.575 inches maximum
Head Style
hexagon
Head Height
0.188 inches nominal
Width Between Flats
0.197 inches nominal
Locking Feature
lockwasher secondary washer
Nominal Thread Diameter
0.112 inches
Thread Quantity Per Inch
40
Special Features
this screw is aprt 0f a assembly that consist of 2-female screwlock,4-washers,2-nuts
Material
steel comp 1008 or steel comp 1010 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1025 or steel comp 1030 or steel comp 1035 or steel comp 1040 or steel comp 1045 or steel comp 1050 or steel comp 1095 or steel comp 1213 or steel comp 1115 or steel comp 1117 or steel comp 1118 or steel comp 1137 or steel comp 1141 or steel comp 1144 or steel comp 1151 or steel comp 12l14 or steel comp 1211 or steel comp 1212 or steel comp 1215 or steel comp 1330 overall
Material Document And Classification
astm a108 assn std all material responses overall
Surface Treatment
zinc and chromate overall
Surface Treatment Document And Classification
astm b633 ty 2 assn std single treatment response overall
Thread Series Designator
unc

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
000-8006-015 Hexagon Head Cap Screw
207719-1 Hexagon Head Cap Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-248-4476?
The FSCG of the NSN 5305-01-248-4476 is 5305
Does the NSN 5305-01-248-4476 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-248-4476 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 5305-01-248-4476 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-248-4476 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 5305-01-248-4476 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Fri, Jan 23, 1987

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