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5305-01-285-7726

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-01-285-7726
(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
09/20/1988 (38 years ago)

1.098 inches minimum and 1.128 inches maximum fastener length, right-hand thread direction, 3a thread class, 0.338 inches minimum and 0.388 inches maximum thread length, flat countersunk head style

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.338 inches minimum and 0.388 inches maximum

Fastener Length

1.098 inches minimum and 1.128 inches maximum

Head Style

flat countersunk

Head Diameter

0.2578 inches minimum and 0.3047 inches maximum

Grip Diameter

0.1885 inches minimum and 0.1895 inches maximum

Internal Drive Style

torque-set ribbed

Nominal Thread Diameter

0.190 inches

Grip Length

0.740 inches minimum and 0.760 inches maximum

Thread Quantity Per Inch

32

Minimum Tensile Strength

160000 pounds per square inch

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Material

iron alloy 660 overall

Material Document And Classification

ams 5737 assn std single material response or ams 5731 assn std single material response or 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

Specification/Standard Data

80205-nas1581 professional/industrial association standard

Replacement For

Part Number Description
5305-01-284-1395 No Name Available 03/01/1998

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
NAS1581C3R12 Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-285-7726?
The FSCG of the NSN 5305-01-285-7726 is 5305
Does the NSN 5305-01-285-7726 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-285-7726 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 5305-01-285-7726 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-285-7726 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 5305-01-285-7726 was assigned to the Federal Catalog?
It was assigned 38 years ago, on Tue, Sep 20, 1988