Packing Nut P/N MS21937W4H

Specifications

Screw thread series designator

Unified National Joint Fine (Unjf)

Major unthreaded outside diameter

1.000 in (nominal)

Material

Aluminum Alloy 2014

Thread class

3B

Length to shoulder

0.344 in (nominal)

Surface treatment document and classification

MIL Spec Single Treatment Response -IL-A-8625,Tye 2,Class 1

Width across flats

1.000 in (nominal)

Thread length

0.344 in (nominal)

Thread size

7/16IN-20

Surface treatment

Anodize

Casehardening indicator

Not Case-Hardened

Overall length

0.500 in (nominal)

Test data document

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.). 81349--IL-F-18280C

Unthreaded portion length

0.156 in (nominal)

Thread direction

Right-Hand

Screw thread location

Internal

Largest inside diameter

0.875 in (nominal)

From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.

Cross-reference part numbers

MS21937W4H SAE-AS18280 MS21937-4H 105-01584 AS21937 AS18280 MS21937-4HC

Shown for identification only. SECO can quote against any of these numbers.

Logistics data

Source: public FLIS/PUB LOG cataloging data.

Why buy from SECO

These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.

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FAQ

What is NSN 4730-00-684-0564?
NSN 4730-00-684-0564 (4730006840564) — Packing Nut: SECO Parts has 41 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for packing nut in federal supply class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings).

Is NSN 4730-00-684-0564 available?
SECO Parts has 41 in stock in Augusta, GA — order or request a quote below.

How much does NSN 4730-00-684-0564 cost?
The government catalog (FEDLOG) lists NSN 4730-00-684-0564 at $143.16 per each. That is a public reference, not SECO's price: SECO quotes each request, usually the same business day, and surplus parts often quote below or above it.

What part numbers cross-reference to NSN 4730-00-684-0564?
Part numbers that cross-reference this NSN include MS21937W4H, SAE-AS18280, MS21937-4H, 105-01584, AS21937, AS18280, MS21937-4HC. SECO can quote against any of them.