A-1978-77

View detailed technical data, stock status, and sourcing information for: A-1978-77
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5315 Pins, Machine Keys and Nails

National Stock Number

5315-00-241-6725

Item Name Code

02378

Assigment Date

07/11/1969 (57 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

0.500 inches nominal overall height, 3.000 inches nominal overall length, 0.500 inches nominal overall width, straight starting edge shape, steel comp 1018 overall material

Product Characteristics

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

Overall Length: 3.000 inches nominal
Overall Height: 0.500 inches nominal
Overall Width: 0.500 inches nominal
Starting Edge Shape: straight
Material: steel comp 1018 overall
Style Designator: plain

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
230680	Machine Key
A-1978 PIECE 77	Machine Key
A-1978-77	Machine Key
OO-K-220A TY2 ST1 GRC	Machine Key
PL-D-4453 PIECE	Machine Key
PL-D4503PC77	Machine Key

FAQs

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

What is the FSCG of the NSN 5315-00-241-6725?

The FSCG of the NSN 5315-00-241-6725 is 5315

Does the NSN 5315-00-241-6725 have a Schedule B code assigned?

Yes, the Schedule B code is 8301700000

Does NSN 5315-00-241-6725 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 5315-00-241-6725 contain precious materials?

Precious metal content is unknown

Does NSN 5315-00-241-6725 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 5315-00-241-6725 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Jul 11, 1969