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307019 Assembled Washer Screw

5305-00-121-8155

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Official Item Classification

Name
Assembled Washer Screw
Part Number
307019
(NSN) National Stock Number
5305-00-121-8155
(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
10/25/1968 (57 years ago)

2a thread class, right-hand thread direction, 0.344 inches minimum and 0.375 inches maximum fastener length, pan no. 2 head style, 0.241 inches minimum and 0.292 inches maximum thread length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.241 inches minimum and 0.292 inches maximum

Fastener Length

0.344 inches minimum and 0.375 inches maximum

Head Style

pan no. 2

Head Diameter

0.357 inches minimum and 0.373 inches maximum

Head Height

0.099 inches minimum and 0.110 inches maximum

Washer Quantity

1

Internal Drive Style

slot

Nominal Thread Diameter

0.190 inches

Thread Quantity Per Inch

24

Hardness Rating

40.0 rockwell c minimum and 50.0 rockwell c maximum primary washer

Hardness Rating

30.0 rockwell c minimum and 40.0 rockwell c maximum fastener

Primary Washer Outside Diameter

0.370 inches minimum and 0.381 inches maximum

Primary Washer Style

flat external teeth

Primary Washer Material Thickness

0.020 inches nominal

Material

steel comp 1022 fastener

Material

steel comp 1050 primary washer

Material Document And Classification

sae assn std single material response fastener

Material Document And Classification

sae assn std single material response primary washer

Surface Treatment

cadmium overall

Thread Series Designator

unc

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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
0307019 Assembled Washer Screw
307019 Assembled Washer Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-121-8155?
The FSCG of the NSN 5305-00-121-8155 is 5305
Does the NSN 5305-00-121-8155 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-121-8155 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 5305-00-121-8155 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-121-8155 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 5305-00-121-8155 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Fri, Oct 25, 1968