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5305-00-439-5920

Find complete technical information, availability, and procurement data for: 5305-00-439-5920

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5305-00-439-5920
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-439-5920
Item Name Code
06657
Assigment Date
12/10/1969 (56 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.

0.250 inches nominal fastener length, right-hand thread direction, 0.250 inches minimum thread length, binding 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
0.250 inches minimum
Fastener Length
0.250 inches nominal
Head Style
binding
Head Diameter
0.275 inches minimum and 0.290 inches maximum
Head Height
0.071 inches minimum and 0.087 inches maximum
Internal Drive Style
slot
Nominal Thread Diameter
0.138 inches
Thread Quantity Per Inch
32
Screw Material
steel corrosion resisting
Screw Material Document And Classification
66 fed std single material response
Screw Surface Treatment
passivate
Thread Series Designator
unc

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
2074099-3403 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-439-5920?
The FSCG of the NSN 5305-00-439-5920 is 5305
Does the NSN 5305-00-439-5920 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-439-5920 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 5305-00-439-5920 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-439-5920 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 5305-00-439-5920 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Wed, Dec 10, 1969

Professional Distribution

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