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5305-01-284-8101

Assembled Washer Screw

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Official Item Classification

Name
Assembled Washer Screw
(NSN) National Stock Number
5305-01-284-8101
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
06660
(FIIG) Federal Item Identification Guide
A003B0
Date
09/01/1988 (38 years ago)

0.248 inches minimum and 0.250 inches maximum fastener length, pan head style, right-hand thread direction, 0.256 inches minimum and 0.270 inches maximum head diameter, 2a thread class

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Fastener Length

0.248 inches minimum and 0.250 inches maximum

Head Style

pan

Head Diameter

0.256 inches minimum and 0.270 inches maximum

Head Height

0.087 inches minimum and 0.097 inches maximum

Washer Quantity

1

Internal Drive Style

cross recess type iii

Nominal Thread Diameter

0.138 inches

Thread Quantity Per Inch

32

Primary Washer Outside Diameter

0.305 inches minimum and 0.320 inches maximum

Primary Washer Style

flat external teeth

Primary Washer Material Thickness

0.016 inches minimum and 0.022 inches maximum

Material

steel overall

Surface Treatment

zinc overall

Thread Series Designator

unc

Replacement For

Part Number Description
5305-00-619-6004 No Name Available 11/01/1997

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0006660

Related Hardware Products

Part Number Description
0604EPP Assembled Washer Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-284-8101?
The FSCG of the NSN 5305-01-284-8101 is 5305
Does the NSN 5305-01-284-8101 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-284-8101 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 5305-01-284-8101 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-284-8101 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 5305-01-284-8101 was assigned to the Federal Catalog?
It was assigned 38 years ago, on Thu, Sep 1, 1988