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CA21017-4-24 Close Tolerance Screw

5305-01-193-7607

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Official Item Classification

Name
Close Tolerance Screw
Part Number
CA21017-4-24
(NSN) National Stock Number
5305-01-193-7607
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
29294
(FIIG) Federal Item Identification Guide
A003B0
Date
11/07/1984 (41 years ago)

2.026 inches minimum and 2.046 inches maximum fastener length, right-hand thread direction, 0.516 inches minimum and 0.556 inches maximum thread length, 3a thread class, pan no. 2 head style

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.516 inches minimum and 0.556 inches maximum

Fastener Length

2.026 inches minimum and 2.046 inches maximum

Head Style

pan no. 2

Head Diameter

0.477 inches minimum and 0.492 inches maximum

Head Height

0.140 inches minimum and 0.150 inches maximum

Grip Diameter

0.2490 inches minimum and 0.2495 inches maximum

Internal Drive Style

hexagon

Nominal Thread Diameter

0.250 inches

Grip Length

1.490 inches minimum and 1.510 inches maximum

Width Across Flats

0.1565 inches minimum and 0.1587 inches maximum

Thread Quantity Per Inch

28

Minimum Tensile Strength

160000 pounds per square inch

Surface Finish

32.0 microinches bearing surface of head

Surface Finish

32.0 microinches grip

Surface Finish

32.0 microinches threads

Special Features

hole at threaded end with dia reamed to accept plug

Material

iron alloy 660 overall

Material Document And Classification

ams 5732 assn std single material response overall

Surface Treatment

passivate overall

Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response overall

Thread Series Designator

unjf

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

0029294

Related Hardware Products

Part Number Description
CA21017-4-24 Close Tolerance Screw
LE111-0001-4024 Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-193-7607?
The FSCG of the NSN 5305-01-193-7607 is 5305
Does the NSN 5305-01-193-7607 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-193-7607 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 5305-01-193-7607 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-193-7607 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 5305-01-193-7607 was assigned to the Federal Catalog?
It was assigned 41 years ago, on Wed, Nov 7, 1984