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166296PC69 Socket Head Cap Screw

5305-00-273-5289

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Official Item Classification

Name
Socket Head Cap Screw
Part Number
166296PC69
(NSN) National Stock Number
5305-00-273-5289
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
16282
(FIIG) Federal Item Identification Guide
A003B0
Date
01/01/1963 (63 years ago)

3a thread class, flat chamfer head style, right-hand thread direction, 0.688 inches nominal fastener length, 0.688 inches maximum thread length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.688 inches maximum

Fastener Length

0.688 inches nominal

Head Style

flat chamfer

Head Diameter

0.265 inches minimum and 0.270 inches maximum

Head Height

0.160 inches minimum and 0.164 inches maximum

Internal Drive Style

hexagon

Nominal Thread Diameter

0.164 inches

Width Across Flats

0.125 inches minimum and 0.127 inches maximum

Thread Quantity Per Inch

32

Hardness Rating

36.0 rockwell c minimum and 43.0 rockwell c maximum overall

Minimum Yield Strength

140000 pounds per square inch

Material

steel comp 4135 or steel comp 4137 or steel comp 8635 or steel comp 8640 overall

Material Document And Classification

qq-s-624 fed spec all material responses overall

Surface Treatment

zinc overall

Thread Series Designator

unc

Nondefinitive Spec/Std Data

1 type and 11 style

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.

Source of Supply Code

S9I

Pseudo Item Name Code

0016282

Related Hardware Products

Part Number Description
12Z51PC685 Socket Head Cap Screw
166296PC69 Socket Head Cap Screw
186039PC68 Socket Head Cap Screw
43-S-4365-248 Socket Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-273-5289?
The FSCG of the NSN 5305-00-273-5289 is 5305
Does the NSN 5305-00-273-5289 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-273-5289 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 5305-00-273-5289 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-273-5289 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 5305-00-273-5289 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963