Part Number
Storage Battery · Commercial Item Description (CID) · NSN 6140-01-203-4912
| Part number | AA55439-2-4D-925-D |
|---|---|
| Specification family | Commercial Item Description (CID) |
| Item name | Storage Battery |
| Alternate references | SAE J537-4D-925; AA55439-2-4D-925-D; SAE J537; A-A-55439; W-B-131-2-4D-925-D; W-B-131; 4D-925 |
| Unit of issue | EA |
| Cross-referenced NSN | 6140-01-203-4912 |
| Federal Supply Class (FSC) | 6140 — Miscellaneous Supply Item |
| Unit price (USD) | $236.56 |
| 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 storage battery. Confirm controlling dimensions against your drawing or standard sheet before ordering.
| Overall Length | 20.750 Inches Nominal |
|---|
Miscellaneous Supply Item. This item falls under Federal Supply Class 6140 within Federal Supply Group 61.
Reading the part number. AA55439-2-4D-925-D is a Commercial Item Description (CID) reference: A-A-55439 is the federal CID document, and the trailing characters (2-4D-925-D) select the specific size, class, or finish variant described in it. CIDs let the government buy proven commercial products — this one covers the storage battery supplied on this page.
Price in context. We currently stock 1 item in Federal Supply Class 6140 (Miscellaneous Supply Item).
Stock activity. This item has appeared once in our supplier stock feed, most recently listed 2026-07-17, with a lot quantity of 2 units. Listing activity is a practical signal of ongoing availability; confirm current stock and firm pricing on your quote.
Who orders AA55439-2-4D-925-D. Aircraft owners and MRO shops replacing standard hardware, machine shops and OEMs filling a bill of materials, and government contractors sourcing against NSN 6140-01-203-4912. 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. Applicable MIL and commercial specifications.
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.
