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5305-00-061-0227

Find complete technical information, availability, and procurement data for: 5305-00-061-0227

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5305-00-061-0227
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-061-0227
Item Name Code
16282
Assigment Date
01/01/1963 (63 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

3a thread class, 1.250 inches nominal fastener length, flat chamfer head style, 0.875 inches minimum 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
0.875 inches minimum
Fastener Length
1.250 inches nominal
Head Style
flat chamfer
Head Diameter
0.262 inches minimum and 0.270 inches maximum
Head Height
0.159 inches minimum and 0.164 inches maximum
Hole Diameter
0.044 inches nominal
Internal Drive Style
hexagon
Nominal Thread Diameter
0.164 inches
Width Across Flats
0.141 inches minimum and 0.143 inches maximum
Hole Quantity
6
Hole Type
drilled
Thread Quantity Per Inch
32
Minimum Tensile Strength
160000 pounds per square inch
Hardness Rating
36.0 rockwell c minimum and 43.0 rockwell c maximum overall
Minimum Yield Strength
130000 pounds per square inch
Hole Configuration Style
round
Material
steel overall
Material Document And Classification
66 fed std single material response overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Thread Series Designator
unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-157-8476 No Name Available 03/01/1979
5305-00-551-0061 No Name Available 11/05/1969
5305-00-843-0080 No Name Available 02/12/1968

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
6MS24676-20 Socket Head Cap Screw
MS24677-20 Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-061-0227?
The FSCG of the NSN 5305-00-061-0227 is 5305
Does the NSN 5305-00-061-0227 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-061-0227 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 5305-00-061-0227 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-061-0227 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 5305-00-061-0227 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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