STD616

View detailed technical data, stock status, and sourcing information for: STD616
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-274-8335

Item Name Code

05277

Assigment Date

01/01/1963 (63 years ago)

0.500 inches nominal width across flats, 0.343 inches nominal nut height, 3b thread class, right-hand thread direction, prevailing torque with nonmetallic insert locking feature

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque with nonmetallic insert
Nut Height: 0.343 inches nominal
Width Across Flats: 0.500 inches nominal
Thread Series: unf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.312 inches
Material: fiber locking insert
Material: steel comp 1118 nut
Material Document And Classification: qq-s-633 canc fed spec single material response nut
Surface Treatment: cadmium nut

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-537-8114	No Name Available	04/23/1969

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
3505244C6L	Hexagon Self-Locking Nut
406683	Hexagon Self-Locking Nut
42E054	Hexagon Self-Locking Nut
STD616	Hexagon Self-Locking Nut
TFA9003	Hexagon Self-Locking Nut

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-00-274-8335?

The FSCG of the NSN 5310-00-274-8335 is 5310

Does the NSN 5310-00-274-8335 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-274-8335 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 5310-00-274-8335 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-274-8335 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 5310-00-274-8335 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963