751-6402401 ITEM 9

View detailed technical data, stock status, and sourcing information for: 751-6402401 ITEM 9
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-006-2250

Item Name Code

05277

Assigment Date

06/21/1972 (54 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

0.855 inches minimum and 0.891 inches maximum nut height, 3b thread class, hexagon nut style, 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 Style: hexagon
Nut Height: 0.855 inches minimum and 0.891 inches maximum
End Item Identification: submarine vertical launch system (vls),systems, jp-5 aviation fuels, ssbn mk-118 fire control sys, forrestal class cv,nimitz class cvn,dry deck shelter, ticonderoga class cg (47),spruance class dd (963), los angeles class ssn(688)
Width Across Flats: 1.052 inches minimum and 1.068 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unc
Thread Quantity Per Inch: 10
Nominal Thread Size: 0.750 inches
Countersink Angle: 88.0 degrees nominal nut
Bearing Surface Type: chamfered or washer faced
Bearing Surface Finish: 125.0 microinches
Material: nickel alloy 400 or nickel alloy r-405 nut
Material: plastic polyhexamethylene amide locking insert
Material Document And Classification: astm d4066,comp a,type 1 assn std single material response locking insert
Special Test Features: special quality control testing
Test Data Document: "81349-mil-p-23199 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Departure From Cited Designator: as modified by material which must conform to ships parts control center special quality control provisions

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-01-160-2035	No Name Available	10/01/2017
5310-01-230-9837	No Name Available	10/01/1994

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
07058007127	Hexagon Self-Locking Nut
125-2143986 PIE	Hexagon Self-Locking Nut
1504-50 PIECE 7	Hexagon Self-Locking Nut
244-6308948-10	Hexagon Self-Locking Nut
704-5940676 PC	Hexagon Self-Locking Nut
751-6402401 ITEM 9	Hexagon Self-Locking Nut
751-6402402 ITEM 9	Hexagon Self-Locking Nut
A7058.007.127	Hexagon Self-Locking Nut
MS17828-120	Hexagon Self-Locking Nut
MS17828E	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-006-2250?

The FSCG of the NSN 5310-00-006-2250 is 5310

Does the NSN 5310-00-006-2250 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5310-00-006-2250 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 5310-00-006-2250 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-006-2250 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 5310-00-006-2250 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Jun 21, 1972