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5305-01-042-2771

Find complete technical information, availability, and procurement data for: 5305-01-042-2771

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5305-01-042-2771
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-042-2771
Item Name Code
06657
Assigment Date
06/08/1977 (49 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.

3.348 inches minimum and 3.500 inches maximum thread length, 3.410 inches minimum and 3.500 inches maximum fastener length, 2a thread class, pan head style, 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
2a
Thread Direction
right-hand
Thread Length
3.348 inches minimum and 3.500 inches maximum
Fastener Length
3.410 inches minimum and 3.500 inches maximum
Head Style
pan
Head Diameter
0.357 inches minimum and 0.373 inches maximum
Head Height
0.122 inches minimum and 0.133 inches maximum
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.190 inches
Thread Quantity Per Inch
32
Minimum Tensile Strength
80000 pounds per square inch
Screw Material
steel comp 301 or steel comp 302 or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 323 or steel comp 324 or steel comp 347 or steel comp 348 or steel comp 385
Screw Surface Treatment
passivate
Thread Series Designator
unf

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
343-0242-000 Machine Screw
P343-0242-000 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-042-2771?
The FSCG of the NSN 5305-01-042-2771 is 5305
Does the NSN 5305-01-042-2771 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-042-2771 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 5305-01-042-2771 contain precious materials?
Precious metal content is unknown
Does NSN 5305-01-042-2771 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 5305-01-042-2771 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Wed, Jun 8, 1977

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