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5305-01-078-8035

Find complete technical information, availability, and procurement data for: 5305-01-078-8035

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5305-01-078-8035
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-078-8035
Item Name Code
18257
Assigment Date
06/20/1979 (47 years ago)

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.

3a thread class, dished hexagon head style, 0.484 inches minimum and 0.531 inches maximum fastener length, 0.420 inches minimum and 0.499 inches maximum thread length, right-hand thread direction

Product Characteristics

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

Thread Class
3a
Thread Direction
right-hand
Thread Length
0.420 inches minimum and 0.499 inches maximum
Fastener Length
0.484 inches minimum and 0.531 inches maximum
Head Style
dished hexagon
Head Height
0.080 inches minimum and 0.093 inches maximum
Width Between Flats
0.243 inches minimum and 0.251 inches maximum
Nominal Thread Diameter
0.138 inches
Thread Quantity Per Inch
32
Minimum Tensile Strength
160000 pounds per square inch
Material
steel comp 4340 or steel comp 8740 overall
Material Document And Classification
mil-s-5000 mil spec single material response or mil-s-6049 mil spec single material response or ams6322 assn std single material response overall
Surface Treatment
cadmium overall
Surface Treatment Document And Classification
qq-p-416, ty 2, cl 2 fed spec single treatment response overall
Thread Series Designator
unjc
Specification/Standard Data
80205 - nas1801 professional/industrial association standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-01-024-8483 No Name Available 12/01/1991

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
BACS12CB06-8 Hexagon Head Cap Screw
NAS1801-06-8 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-078-8035?
The FSCG of the NSN 5305-01-078-8035 is 5305
Does the NSN 5305-01-078-8035 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-078-8035 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 5305-01-078-8035 contain precious materials?
Precious metal content is unknown
Does NSN 5305-01-078-8035 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 5305-01-078-8035 was assigned to the Federal Catalog?
It was assigned 47 years ago, on Wed, Jun 20, 1979

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