392684

View detailed technical data, stock status, and sourcing information for: 392684

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392684
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-147-9521
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.

0.625 inches nominal fastener length, fillister head style, right-hand thread direction, 0.531 inches nominal thread length, 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
0.531 inches nominal
Fastener Length
0.625 inches nominal
Head Style
fillister
Head Diameter
0.292 inches minimum and 0.313 inches maximum
Head Height
0.148 inches minimum and 0.180 inches maximum
Internal Drive Style
slot
Nominal Thread Diameter
0.190 inches
Thread Quantity Per Inch
24
Screw Material
steel comp 303 or steel comp 303se or steel comp 303 plus x
Screw Material Document And Classification
ams 5640 assn std all material responses
Screw Surface Treatment
passivate
Special Features
two drilled holes
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
392684 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-147-9521?
The FSCG of the NSN 5305-00-147-9521 is 5305
Does the NSN 5305-00-147-9521 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-147-9521 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 5305-00-147-9521 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-147-9521 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 5305-00-147-9521 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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