MS749

View detailed technical data, stock status, and sourcing information for: MS749
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-208-4271

Item Name Code

05275

Assigment Date

01/01/1963 (63 years ago)

0.250 inches nominal nut height, prevailing torque with nonmetallic insert locking feature, right-hand thread direction, cap nut style, 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 with nonmetallic insert
Nut Style: cap
Nut Height: 0.250 inches nominal
Width Across Flats: 0.250 inches nominal
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unc
Thread Quantity Per Inch: 40
Nominal Thread Size: 0.112 inches
Bearing Surface Type: chamfered
Material: plastic polyamide (nylon) cap
Material: plastic polyamide (nylon) locking insert
Material Document And Classification: astm d4066 assn std single material response cap
Material Document And Classification: astm d4066 assn std single material response locking insert
Surface Treatment: cadmium and chromate nut
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response nut

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-812-5794	No Name Available	10/21/1968
5310-00-815-6505	No Name Available	11/17/1967
5310-00-844-6866	No Name Available	10/21/1968
5310-00-854-2151	No Name Available	12/01/2000

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
0652214-0704	Cap Self-Locking Nut
1JA4996H13	Cap Self-Locking Nut
22NKM40	Cap Self-Locking Nut
22NKM40T2	Cap Self-Locking Nut
472611-1	Cap Self-Locking Nut
525-526-9101	Cap Self-Locking Nut
540347-001	Cap Self-Locking Nut
7108835-001	Cap Self-Locking Nut
867031-0001	Cap Self-Locking Nut
8950929-2	Cap Self-Locking Nut
9022099	Cap Self-Locking Nut
9198184	Cap Self-Locking Nut
F22NKM-40	Cap Self-Locking Nut
F22NKM40	Cap Self-Locking Nut
F22NKM440	Cap Self-Locking Nut
GN510C440	Cap Self-Locking Nut
MS749	Cap Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-208-4271?

The FSCG of the NSN 5310-00-208-4271 is 5310

Does NSN 5310-00-208-4271 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 5310-00-208-4271 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-208-4271 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 5310-00-208-4271 was assigned to the Federal Catalog?

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