Part Number
Assembled Washer Plain Nut · MS (Military Standard) · NSN 5310-01-097-8010
| Part number | MS21244-12 |
|---|---|
| Specification family | MS (Military Standard) |
| Item name | Assembled Washer Plain Nut |
| Alternate references | NASM21244 |
| Unit of issue | EA |
| Cross-referenced NSN | 5310-01-097-8010 |
| Federal Supply Class (FSC) | 5310 — Nuts and Washers |
| Unit price (USD) | $6.13 |
| 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 assembled washer plain nut. Confirm controlling dimensions against your drawing or standard sheet before ordering.
| Hardness Rating | 80.0 Rockwell B Minimum And 32.0 Rockwell C Maximum |
|---|---|
| Material | Steel Comp 1005 Nut Or Steel Comp 1006 Nut Or Steel Comp 1008 Nut Or Steel Comp 1009 Nut Or Steel Comp 1010 Nut Or Steel Comp 1011 Nut Or Steel Comp 1012 Nut Or Steel Comp 1013 Nut Or Steel Comp 1015 Nut Or Steel Comp 1016 Nut Or Steel Comp 1017 Nut Or Steel Comp 1018 Nut Or Steel Comp 1019 Nut Or Steel Comp 1020 Nut Or Steel Comp 1021 Nut Or Steel Comp 1022 Nut Or Steel Comp 1023 Nut Or Steel Comp 1524 Nut Or Steel Comp 1025 Nut Or Steel Comp 1026 Nut Or Steel Comp 1527 Nut Or Steel Comp 1029 Nut Or Steel Comp 1030 Nut Or Steel Comp 1033 Nut Or Steel Comp 1034 Nut Or Steel Comp 1035 Nut Or Steel Comp 1536 Nut Or Steel Comp 1037 Nut Or Steel Comp 1038 Nut Or Steel Comp 1039 Nut Or Steel Comp 1040 Nut Or Steel Comp 1541 Nut |
| Surface Treatment | Cadmium Nut And Chromate Nut |
| Surface Treatment | Passivate Washer |
| Thread Class | 3B |
| Thread Quantity Per Inch | 16 |
Internally threaded fasteners (hex nuts, lock nuts, castle nuts, wing nuts, self-locking nuts) and washers (flat, lock, spring, and special washers) used to distribute load and secure threaded assemblies.
Reading the part number. MS21244-12 breaks down as MS21244 — the Military Standard sheet that fixes the part's design — plus the dash/suffix code 12, which selects the exact size, material, or finish variant from the tables on that standard. Two parts sharing the MS21244 base are the same design in different variants.
Price in context. Across the 1,144 items we currently stock in FSC 5310 (Nuts and Washers), published unit prices run from $0.12 to $68,673.00. At $6.13, this item sits below the class median of $8.76.
Stock activity. This item has appeared once in our supplier stock feed, most recently listed 2026-08-21, with a lot quantity of 696 units. Listing activity is a practical signal of ongoing availability; confirm current stock and firm pricing on your quote.
Who orders MS21244-12. Aircraft owners and MRO shops replacing standard hardware, machine shops and OEMs filling a bill of materials, and government contractors sourcing against NSN 5310-01-097-8010. 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. ASME B18.2.2 / B18.16, B18.21 / B18.22, NASM/MS series; steel, stainless, and self-locking (nylon-insert and all-metal) designs.
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.
NSN 5310-01-097-9034
NSN 5310-01-097-9930
NSN 5310-01-097-9936
NSN 5310-01-099-6538
NSN 5310-01-101-0188
NSN 5310-01-101-2025
NSN 5310-01-102-6099
NSN 5310-01-102-6100
NSN 5310-01-102-6101
NSN 5310-01-104-6820
NSN 5310-01-107-1232
NSN 5310-01-107-4162
