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5305-00-271-3499

Find complete technical information, availability, and procurement data for: 5305-00-271-3499

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5305-00-271-3499
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-271-3499
Item Name Code
06657
Assigment Date
01/01/1963 (63 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.

1.891 inches minimum and 1.938 inches maximum fastener length, right-hand thread direction, 3a thread class, 0.376 inches minimum and 0.515 inches maximum thread length, round head style

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
0.376 inches minimum and 0.515 inches maximum
Fastener Length
1.891 inches minimum and 1.938 inches maximum
Head Style
round
Head Diameter
0.361 inches minimum and 0.385 inches maximum
Head Height
0.103 inches minimum and 0.118 inches maximum
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.190 inches
Thread Quantity Per Inch
32
Minimum Tensile Strength
62000 pounds per square inch
Part Name Assigned By Controlling Agency
navy special project
Screw Material
aluminum alloy 2024
Screw Material Document And Classification
qq-w-298 fed spec 1st material response or qq-a-354 fed spec 2nd material response
Screw Surface Treatment
anodize
Screw Surface Treatment Document And Classification
mil-a-8625 mil spec single treatment response
Thread Series Designator
unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-579-0125 No Name Available 01/01/1963

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
NAS221DD30 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-271-3499?
The FSCG of the NSN 5305-00-271-3499 is 5305
Does the NSN 5305-00-271-3499 have a Schedule B code assigned?
Yes, the Schedule B code is 7616106000
Does NSN 5305-00-271-3499 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 5305-00-271-3499 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-271-3499 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 5305-00-271-3499 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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