74048M-4

View detailed technical data, stock status, and sourcing information for: 74048M-4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-968-3118

Item Name Code

29732

Assigment Date

06/06/1966 (60 years ago)

0.426 inches nominal washer outside diameter, right-hand thread direction, prevailing torque all metal design locking feature, dry film lubricant lubrication, 3b thread class

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 all metal design
Washer Outside Diameter: 0.426 inches nominal
Lubrication: dry film lubricant
Overall Height: 0.299 inches nominal
Ball Seat Radius: 0.265 inches nominal
Washer Thickness: 0.079 inches nominal
Width Across Flats: 0.308 inches minimum and 0.316 inches maximum
Temp Rating: 450.0 fahrenheit maximum
Thread Series: unf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec single treatment response overall

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
74048M-4	Single Ball Sea Self-Locking Nut
74048M-428	Single Ball Sea Self-Locking Nut
GN510AE4L	Single Ball Sea Self-Locking Nut
H29263P4	Single Ball Sea Self-Locking Nut
H52300-4	Single Ball Sea Self-Locking Nut
RM52LH4367-048	Single Ball Sea Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-968-3118?

The FSCG of the NSN 5310-00-968-3118 is 5310

Does the NSN 5310-00-968-3118 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-968-3118 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 5310-00-968-3118 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-968-3118 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 5310-00-968-3118 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Mon, Jun 6, 1966