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FFIL408CSS8 Machine Screw

5305-00-688-2353

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Official Item Classification

Name
Machine Screw
Part Number
FFIL408CSS8
(NSN) National Stock Number
5305-00-688-2353
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
06657
(FIIG) Federal Item Identification Guide
A500D0
Date
01/01/1963 (63 years ago)

2a thread class, flat chamfer head style, 0.195 inches minimum and 0.260 inches maximum thread length, right-hand thread direction, 0.245 inches minimum and 0.260 inches maximum fastener length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.195 inches minimum and 0.260 inches maximum

Fastener Length

0.245 inches minimum and 0.260 inches maximum

Head Style

flat chamfer

Head Diameter

0.174 inches minimum and 0.179 inches maximum

Head Height

0.073 inches minimum and 0.078 inches maximum

Internal Drive Style

slot

Nominal Thread Diameter

0.112 inches

Thread Quantity Per Inch

40

Screw Material

steel comp 302 or steel comp 304 or steel comp 303

Screw Material Document And Classification

qq-s-763 fed spec 1st material response or qq-s-763 fed spec 2nd material response or qq-s-764 fed spec 3rd material response

Screw Surface Treatment

passivate

Screw Surface Treatment Document And Classification

kps51-200 fscm 89944 mfr ref single treatment response

Supplementary Features

navweps 05-35-62 figure 7 index 2,used on dial assy p/n 1708-903 nsn 5335-01-102-9247

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.

Source of Supply Code

S9I

Pseudo Item Name Code

0006657

Related Hardware Products

Part Number Description
61301050416 Machine Screw
FFIL408CSS8 Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-688-2353?
The FSCG of the NSN 5305-00-688-2353 is 5305
Does the NSN 5305-00-688-2353 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-688-2353 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 5305-00-688-2353 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-688-2353 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 5305-00-688-2353 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963