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1663257 Spacing Threaded Standoff

5340-01-161-9143

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Official Item Classification

Name
Spacing Threaded Standoff
Part Number
1663257
(NSN) National Stock Number
5340-01-161-9143
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5340 Commercial Hardware
(INC) Item Name Code
40280
(FIIG) Federal Item Identification Guide
A08900
Date
09/12/1983 (42 years ago)

0.187 inches nominal flange diameter, right-hand left internal (includes thru thread) thread direction, 2b left internal (includes thru thread)2a right external thread class, right-hand right external thread direction, 0.200 inches nominal left internal (includes thru thread)0.140 inches nominal right external thread length

Specs & Compatibility

Thread Class

2b left internal (includes thru thread)2a right external

Thread Direction

right-hand right external

Thread Direction

right-hand left internal (includes thru thread)

Thread Length

0.200 inches nominal left internal (includes thru thread)0.140 inches nominal right external

Flange Diameter

0.187 inches nominal

Flange Thickness

0.542 inches minimum and 0.552 inches maximum

Length

0.737 inches nominal

Thread Quantity Per Inch

40 left internal (includes thru thread)

Thread Quantity Per Inch

56 right external

Nominal Thread Size

0.086 inches right external

Nominal Thread Size

0.112 inches left internal (includes thru thread)

Material

steel comp 303se standoff

Material Document And Classification

astma582 assn std single material response standoff

Surface Treatment

passivate standoff

Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response standoff

Style Designator

flanged with left internal thread

Thread Series Designator

unc left internal (includes thru thread)

Thread Series Designator

unc right external

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
P

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

Pseudo Item Name Code

0040280

Related Hardware Products

Part Number Description
1663257 Spacing Threaded Standoff

Frequently Asked Questions

What is the FSCG of the NSN 5340-01-161-9143?
The FSCG of the NSN 5340-01-161-9143 is 5340
Does NSN 5340-01-161-9143 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 5340-01-161-9143 contain precious materials?
Item does not contain precious metal.
Does NSN 5340-01-161-9143 contain hazardous materials?
Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.
When the NSN 5340-01-161-9143 was assigned to the Federal Catalog?
It was assigned 42 years ago, on Mon, Sep 12, 1983