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5305-01-727-3871

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-01-727-3871
(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
03/01/2025 (1 year ago)

3a thread class, fillister countersunk head style, right-hand thread direction, 0.549 inches nominal fastener length, 0.363 inches nominal thread length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.363 inches nominal

Fastener Length

0.549 inches nominal

Head Style

fillister countersunk

Head Diameter

0.3047 inches nominal

Head Height

0.015 inches maximum

Spline Major Diameter

0.155 inches nominal

Grip Diameter

0.1885 inches minimum and 0.1895 inches maximum

Point Style

flat

Internal Drive Style

torx

Nominal Thread Diameter

0.1900 inches

Grip Length

0.187 inches nominal

Thread Quantity Per Inch

32

Minimum Tensile Strength

2000 pounds per square inch

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Material

steel corrosion resisting overall

Material Document And Classification

ams5731,ams5732,ams5737,ams5853 national std single material response overall

Surface Treatment

passivate overall

Surface Treatment Document And Classification

ams2700,method 1, type 2 or type 8, class 1 national std single treatment response overall

Thread Series Designator

unjf

Specification/Standard Data

80205-nas5320 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
NAS5320E3-3 Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-727-3871?
The FSCG of the NSN 5305-01-727-3871 is 5305
Does the NSN 5305-01-727-3871 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-727-3871 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 5305-01-727-3871 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-727-3871 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 5305-01-727-3871 was assigned to the Federal Catalog?
It was assigned 1 year ago, on Sat, Mar 1, 2025