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5305-01-124-1557

Find complete technical information, availability, and procurement data for: 5305-01-124-1557

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5305-01-124-1557
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-124-1557
Item Name Code
06657
Assigment Date
12/28/1981 (44 years ago)

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

flat countersunk head style, 2a thread class, right-hand thread direction, 0.941 inches minimum and 1.065 inches maximum thread length, 1.063 inches minimum and 1.125 inches maximum fastener 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
0.941 inches minimum and 1.065 inches maximum
Fastener Length
1.063 inches minimum and 1.125 inches maximum
Head Style
flat countersunk
Head Diameter
0.238 inches minimum and 0.279 inches maximum
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.138 inches
Thread Quantity Per Inch
32
Minimum Tensile Strength
55000 pounds per square inch
Countersink Angle
99.0 degrees minimum and 101.0 degrees maximum
Screw Material
copper alloy 210 or copper alloy 230 or copper alloy 240 or copper alloy 260 or copper alloy 268 or copper alloy 270 or copper alloy 274 or copper alloy 342 or copper alloy 353 or copper alloy 360 or copper alloy 377 or copper alloy 510 or copper alloy 745 or copper alloy 752 or copper alloy 757 or copper alloy 764 or copper alloy 770
Screw Surface Treatment
cadmium and chromate
Screw Surface Treatment Document And Classification
qq-p-416,type 2,class 3 fed spec single treatment response
Thread Series Designator
unc
Nondefinitive Spec/Std Data
3 type and 3c style

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
10115113 Machine Screw
MS24693-CB33 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-124-1557?
The FSCG of the NSN 5305-01-124-1557 is 5305
Does the NSN 5305-01-124-1557 have a Schedule B code assigned?
Yes, the Schedule B code is 7415338550
Does NSN 5305-01-124-1557 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 5305-01-124-1557 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-124-1557 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 5305-01-124-1557 was assigned to the Federal Catalog?
It was assigned 44 years ago, on Mon, Dec 28, 1981

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