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81581-G Round Self-Locking Nut

5310-01-059-0262

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Official Item Classification

Name
Round Self-Locking Nut
Part Number
81581-G
(NSN) National Stock Number
5310-01-059-0262
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
15895
(FIIG) Federal Item Identification Guide
A021A0
Date
04/06/1978 (48 years ago)

right-hand thread direction, 1.500 inches nominal small end diameter, 0.089 inches minimum and 0.096 inches maximum drive point depth, +1.1369 to 1.1409 inches thread pitch diameters, prevailing torque with nonmetallic insert locking feature

Specs & Compatibility

Thread Pitch Diameters

+1.1369 to 1.1409 inches

Thread Direction

right-hand

Locking Feature

prevailing torque with nonmetallic insert

Small End Diameter

1.500 inches nominal

Drive Point Depth

0.089 inches minimum and 0.096 inches maximum

Nut Style

round

Nut Diameter

1.735 inches minimum and 1.750 inches maximum

Nut Thickness

0.437 inches minimum and 0.469 inches maximum

Drive Point Width

0.168 inches minimum and 0.198 inches maximum

Undercut Thickness

0.141 inches nominal

Drive Point Quantity

4

Temp Rating

350.0 fahrenheit maximum

Thread Series

uns

Thread Quantity Per Inch

18

Nominal Thread Size

1.173 inches

Material

plastic polyamide (nylon) locking insert

Material

steel overall except insert

Replacement For

Part Number Description
5310-01-057-2368 No Name Available 02/01/1994

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0015895

Related Hardware Products

Part Number Description
81581-G Round Self-Locking Nut
912065-2 Round Self-Locking Nut
BHM-06 Round Self-Locking Nut
BHM06 Round Self-Locking Nut
BL-N-06 Round Self-Locking Nut
H2650-1050 PIEC Round Self-Locking Nut

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-059-0262?
The FSCG of the NSN 5310-01-059-0262 is 5310
Does the NSN 5310-01-059-0262 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-01-059-0262 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 5310-01-059-0262 contain precious materials?
Precious metal content is unknown
Does NSN 5310-01-059-0262 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 5310-01-059-0262 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Thu, Apr 6, 1978