Part Number
Wire Rope Socket · Military specification (M-prefix) · NSN 4030-00-249-2995
| Part number | M21433 TYI CLB 0.500 IN |
|---|---|
| Specification family | Military specification (M-prefix) |
| Item name | Wire Rope Socket |
| Alternate references | MIL-S-21433; IS-137; 1S-137 |
| Unit of issue | EA |
| Cross-referenced NSN | 4030-00-249-2995 |
| Federal Supply Class (FSC) | 4030 — Fittings for Rope, Cable, and Chain |
| Unit price (USD) | $122.66 |
| Country of origin | Türkiye (Turkey) |
| Lead time | Within 90 days of order |
| Minimum order | May apply — confirm on quote |
| Documentation | Source documentation provided on all orders |
Characteristics decoded from the federal cataloging record for this wire rope socket. Confirm controlling dimensions against your drawing or standard sheet before ordering.
| Material | Steel |
|---|---|
| Overall Length | 4.844 Inches Nominal |
| Surface Treatment | Cadmium Or Zinc |
End fittings and hardware for wire rope, cable, and chain including clips, thimbles, turnbuckles, shackles, and swaged terminals.
A wedge-and-bolt wire rope socket fitting for wire rope of 0.375-inch nominal diameter.
Reading the part number. M21433 TYI CLB 0.500 IN is a vendor part number for this wire rope socket. If your documentation lists a different reference for the same item, include it on the quote and we will confirm the cross-reference.
Price in context. Across the 36 items we currently stock in FSC 4030 (Fittings for Rope, Cable, and Chain), published unit prices run from $1.32 to $255.00. At $122.66, this item sits well above the class median of $34.17 — typical of assemblies and higher-value line items in this class.
Who orders M21433 TYI CLB 0.500 IN. Aircraft owners and MRO shops replacing standard hardware, machine shops and OEMs filling a bill of materials, and government contractors sourcing against NSN 4030-00-249-2995. You can order by part number or by stock number — it is the same item, the same published price, and the same quote form.
Applicable standards. MS/MIL and commercial rigging-hardware standards.
Need this part modified, or a similar part made to your print? See our U.S.-based CNC machining services and aerospace machining capability.
Country of origin: Türkiye (Turkey). Turkey is a NATO ally and a normal-trade-relations partner of the United States, and Turkish-origin end items are eligible for a wide range of U.S. federal and DLA procurements.
TAA note: Turkey is not a Trade Agreements Act (TAA) designated country, so these items are generally not eligible for TAA-covered solicitations. They are offerable under the Buy American Act and many non-TAA DLA buys. Buyers are responsible for confirming the origin requirements of their specific solicitation.
Full country-of-origin and source documentation is provided with every order. Fulfillment within 90 days of order. Minimum order may apply.
Items are supplied as stock mil-spec / commercial hardware with source documentation and country-of-origin paperwork on every order. Parts are not supplied with an FAA Form 8130-3 airworthiness tag unless expressly stated on the quote. Buyers installing hardware on certificated aircraft are responsible for acceptance under their own maintenance program, repair station procedures, or owner/operator authority.
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