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5305-01-199-4358

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-01-199-4358
(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
01/22/1985 (41 years ago)

right-hand thread direction, 1.363 inches minimum and 1.393 inches maximum fastener length, 3a thread class, 0.291 inches minimum and 0.341 inches maximum thread length, flat chamfer head style

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.291 inches minimum and 0.341 inches maximum

Fastener Length

1.363 inches minimum and 1.393 inches maximum

Head Style

flat chamfer

Head Diameter

0.365 inches minimum and 0.375 inches maximum

Head Height

0.133 inches minimum and 0.150 inches maximum

Grip Diameter

0.2485 inches minimum and 0.2495 inches maximum

Internal Drive Style

offset cruciform (torque set)

Nominal Thread Diameter

0.250 inches

Grip Length

1.052 inches minimum and 1.072 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

Material

iron alloy 660 overall

Material Document And Classification

ams 5731 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

Specification/Standard Data

80205-nas1124 professional/industrial association standard

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
NAS1124E17 Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-199-4358?
The FSCG of the NSN 5305-01-199-4358 is 5305
Does the NSN 5305-01-199-4358 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-199-4358 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 5305-01-199-4358 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-199-4358 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 5305-01-199-4358 was assigned to the Federal Catalog?
It was assigned 41 years ago, on Tue, Jan 22, 1985