8S4D

View detailed technical data, stock status, and sourcing information for: 8S4D

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8S4D
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-576-2328
Item Name Code
06660
Assigment Date
01/01/1963 (63 years ago)

An open- or close-coiled spring wound in various forms and from different shapes and types of materials and finished at the ends, designed in such a way as to provide resistance to pulling forces. The close-coiled springs may incorporate the special feature of initial tension created between the coils when wound, requiring an initial load to be applied to separate them. Excludes:spring,reinforcing hose.

0.232 inches maximum thread length, fillister head style, right-hand thread direction, 2a thread class, 0.219 inches minimum and 0.250 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
0.232 inches maximum
Fastener Length
0.219 inches minimum and 0.250 inches maximum
Head Style
fillister
Head Diameter
0.250 inches minimum and 0.270 inches maximum
Head Height
0.102 inches minimum and 0.113 inches maximum
Washer Quantity
1
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.164 inches
Thread Quantity Per Inch
32
Hardness Rating
40.0 rockwell c minimum and 50.0 rockwell c maximum primary washer
Primary Washer Outside Diameter
0.327 inches minimum and 0.338 inches maximum
Primary Washer Style
flat internal teeth
Primary Washer Material Thickness
0.020 inches minimum
Material
steel comp 1010 or steel comp 1011 or steel comp 1013 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 fastener
Surface Treatment
cadmium or zinc overall
Surface Treatment Document And Classification
qq-p-416 ty 1 cl 3 fed spec 1st treatment response or qq-z-325 ty 1 cl 3 fed spec 2nd treatment response overall
Thread Series Designator
unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-282-9833 No Name Available 11/01/1978

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
488223 Assembled Washer Screw
57733 Assembled Washer Screw
8S4D Assembled Washer Screw
S7802 Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-00-576-2328?
The FSCG of the NSN 5305-00-576-2328 is 5305
Does the NSN 5305-00-576-2328 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-576-2328 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 5305-00-576-2328 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-576-2328 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 5305-00-576-2328 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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