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MS21075L4N

The MS21075L4N is a self-locking nutplate from Military Spec with a 1/4-28 UNJF thread. It is constructed from cadmium plated steel and rated for 450 F.

✓ Total Stock: 995 pcs

$ Price Range: $2.05

MS21075L4N Available from 1 distributor

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Hybrid Electronics ✓ Non-Authorised Inventory information	995 pcs On Request	995 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

MS21075L4N Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	Military Spec
Locking Feature	Prevailing torque all metal design
Material	Steel
Mounting Hole Diameter	0.100 in
Temperature Rating	450 F
Thread Size	0.250 in

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MS21075L4N Description

Short technical summary and product information.

The MS21075L4N is a military standard self-locking nutplate manufactured by Military Spec. This component features a 1/4-28 UNJF thread with a right-hand direction and a 3B thread class.

Constructed from steel (compatible with AAMS5080 or AAMS6350 specifications), it is plated with cadmium and chromate for corrosion resistance, meeting QQ-P-416 federal specification. The nutplate has a prevailing torque, all-metal design for secure locking.

Key mechanical dimensions include a plate width between 0.350 and 0.500 inches, a plate thickness of 0.027 to 0.097 inches, a nut height of 0.281 inches, and a nut length of 0.801 inches. It features two mounting holes with a diameter of 0.100 inches, spaced 0.286 inches center-to-center along the length. The distance from the aperture center to the mounting hole center is 0.143 inches, and the counterbore diameter is 0.254 inches.

This nutplate is lubricated with dry film and has a temperature rating of 450 degrees Fahrenheit. It is sold in a standard package quantity of 25.

MS21075L4N Quick Information

Product Type: Nutplate

Series: MS21075L

Canonical Name: MS21075L4N Military Standard Locking Nutplate

Subcategory: Self-Locking Nutplate

MS21075L4N Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

MS21075L4N Estimated Pricing

Qty	Low	High
1+	$2.05	$2.05

Estimated market price range - modelled values for guidance only, not live distributor offers.

MS21075L4N Features

1/4-28 UNJF self-locking thread.
Cadmium plated steel construction.
Rated for 450 degrees Fahrenheit.
Prevailing torque all-metal design.
Two-lug floating nutplate.

MS21075L4N Applications

Used in aerospace applications.
Suitable for high-vibration environments.
Ideal for reduced rivet spacing.
Low height nutplate design.

MS21075L4N FAQs

7 frequently asked questions generated from this part’s specifications.

What is the thread size of the MS21075L4N?

0.250-28 UNJF-3B (right-hand thread).

What material is the MS21075L4N made of?

Steel (comp 1035, 4130, 1060, 1040, or 1042) per AAMS5080 or AAMS6350.

What is the surface treatment on the MS21075L4N?

Cadmium and chromate per QQ-P-416.

What is the temperature rating of the MS21075L4N?

450°F.

What locking feature does the MS21075L4N have?

Prevailing torque all-metal design.

What is the mounting hole arrangement for the MS21075L4N?

Two straight holes with 0.100 inch diameter, spaced 0.286 inches center-to-center.

What is the hardness of the MS21075L4N?

40.0 Rockwell C minimum.