01770-0251

View detailed technical data, stock status, and sourcing information for: 01770-0251
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-516-5059

Item Name Code

01859

Assigment Date

01/01/1963 (63 years ago)

0.495 inches minimum and 0.505 inches maximum width across flats, slotted, hexagon nut style, right-hand thread direction, 3b thread class, 0.308 inches minimum and 0.318 inches maximum nut height

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
Nut Style: slotted, hexagon
Nut Height: 0.308 inches minimum and 0.318 inches maximum
Width Across Flats: 0.495 inches minimum and 0.505 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 24
Hardness Rating: 19.0 rockwell c minimum and 26.0 rockwell c maximum
Nominal Thread Size: 0.312 inches
Countersink Angle: 88.0 degrees minimum and 92.0 degrees maximum nut
Bearing Surface Type: chamfered or washer faced
Material: steel comp 1035 or steel comp 1536 or steel comp 1040 or steel comp 1137 or steel comp 1141 overall
Material Document And Classification: astm a108 assn std 1st material response or astm a576 assn std 1st material response or qq-s-633-canceled fed spec 2nd material response or astm a108 assn std 3rd material response or qq-s-637 fed spec 4th material response or qq-s-637 fed spec 5th material response overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: qq-z-325,ty 2,cl 3 fed spec single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2520-00-028-3377	No Name Available	01/01/1963

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
01770-0251	Nut,plain,slotted,hexagon
1770-251	Nut,plain,slotted,hexagon
458708	Nut,plain,slotted,hexagon
5165059	Nut,plain,slotted,hexagon

FAQs

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

What is the FSCG of the NSN 5310-00-516-5059?

The FSCG of the NSN 5310-00-516-5059 is 5310

Does the NSN 5310-00-516-5059 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-516-5059 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 5310-00-516-5059 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-516-5059 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 5310-00-516-5059 was assigned to the Federal Catalog?

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