MILS1222TYIIIGR4 11/4 8UN

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-045-1608

Item Name Code

01857

Assigment Date

07/28/1977 (49 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.)

hexagon nut style, right-hand thread direction, 1.062 inches nominal nut height, 2b thread class, 1.334 inches nominal width across flats

Product Characteristics

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

Thread Class: 2b
Thread Direction: right-hand
Nut Style: hexagon
Nut Height: 1.062 inches nominal
Width Across Flats: 1.334 inches nominal
Thread Series: unc
Thread Quantity Per Inch: 8
Nominal Thread Size: 1.250 inches
Criticality Code Justification: zzzw
Material: steel overall
Departure From Cited Document: quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items

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
MILS1222TYIIIGR4 11/4 8UN	Hexagon Plain Nut
MILS1222TYIIIGR4 11/4 8UNL1	Hexagon Plain Nut
TY III,GR 4,STYA1 1/4-8UNC-2BL1	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-045-1608?

The FSCG of the NSN 5310-01-045-1608 is 5310

Does the NSN 5310-01-045-1608 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-045-1608 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 5310-01-045-1608 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-045-1608 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 5310-01-045-1608 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Thu, Jul 28, 1977