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5305-00-225-9081

Find complete technical information, availability, and procurement data for: 5305-00-225-9081

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5305-00-225-9081
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-225-9081
Item Name Code
18257
Assigment Date
01/01/1963 (63 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, 0.874 inches minimum thread length, 1.250 inches nominal fastener length, hexagon head style, 2a thread class

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
0.874 inches minimum
Fastener Length
1.250 inches nominal
Head Style
hexagon
Head Height
0.195 inches minimum and 0.211 inches maximum
Width Between Flats
0.489 inches minimum and 0.500 inches maximum
Nominal Thread Diameter
0.312 inches
Thread Quantity Per Inch
18
Minimum Tensile Strength
120000 pounds per square inch
Hardness Rating
23.0 rockwell c minimum and 32.0 rockwell c maximum overall
Material
steel overall
Material Document And Classification
sae gr 5 assn std single material response overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416,type 2,class 3 fed spec single treatment response overall
Thread Series Designator
unc
Nondefinitive Spec/Std Data
2 type and 10p style and 5 grade

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5306-00-012-2027 No Name Available 10/01/1981
5306-00-021-5369 No Name Available 09/01/1979
5306-00-021-6933 No Name Available 02/01/1993
5306-00-282-0954 No Name Available 01/01/1982
5306-00-298-4781 No Name Available 01/01/1983
5306-00-514-7920 No Name Available 07/23/1979
5306-00-660-2747 No Name Available 09/01/2023
5306-00-776-8024 No Name Available 06/01/1976
5305-00-922-3277 No Name Available 07/28/1973
5305-00-988-5974 No Name Available 07/15/1968
5306-01-025-7738 No Name Available 03/01/1978

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
21535R1 Hexagon Head Cap Screw
330C889D5018C20 Hexagon Head Cap Screw
5-16-18X1-1-4SCP Hexagon Head Cap Screw
5-4-1304-98 Hexagon Head Cap Screw
5305002259081 Hexagon Head Cap Screw
5306002259081 Hexagon Head Cap Screw
56235 Hexagon Head Cap Screw
70009-36 Hexagon Head Cap Screw
800-1030 Hexagon Head Cap Screw
MS35291-30 Hexagon Head Cap Screw
S119 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-225-9081?
The FSCG of the NSN 5305-00-225-9081 is 5305
Does the NSN 5305-00-225-9081 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-225-9081 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 5305-00-225-9081 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-225-9081 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 5305-00-225-9081 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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