What parts does the MK-556 use?

The federal catalog ties 29 national stock numbers to the MK-556, most of them in supply classes 7021 (Information Technology Central Processing Unit (Cpu, Computer), Digital), 7025 (Information Technology Input/Output And Storage Devices). 2 of them have a DLA solicitation or award on record; the most-bought include 7021-01-574-7503 Computer,Digital; 7025-01-574-7510 Printer,Automatic D.

Who supplies MK-556 parts to the government?

No DLA award on these stock numbers is on record in the last 36 months.

Is the government buying MK-556 parts right now?

No DLA solicitation is open today on MK-556 stock numbers; 2 were issued in the last twelve months. 2 of the platform's stock numbers show supply-risk signals (few sources, long gaps between buys, or DMSMS notices). Each solicitation page shows the quantity, due date, the gates a seller must clear, and what was paid before.

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MK-556: parts, government demand, prices, suppliers

The federal catalog names the MK-556 as the end item on 29 stock numbers; 2 of them have a DLA solicitation or award on record. What the government buys for this aircraft, what it paid, who wins, and which parts are at supply risk. Rebuilt nightly; this page is from 2026-09-28.

stock numbers

with demand

open now

awards, 36 m

sellers here

at supply risk

Most-bought stock numbers

Ranked by DLA awards in the last 36 months, then open solicitations. Price is the last award.

NSN	Item	Awards 36 m	Open	Last paid	Sellers	Risk
7021-01-574-7503	Computer,Digital	—	—	—	—	watch
7025-01-574-7510	Printer,Automatic D	—	—	—	—	watch

MK-556 parts at supply risk

From the obsolescence watch: terminal codes, sources whose SAM registration has expired, single sources, years of solicitations without an award. Reasons in words; unverified is never counted as gone.

watch 317021-01-574-7503 Computer,Digital — one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; no award in our record; AMSC C on the latest solicitation: only approved sources may supply
watch 317025-01-574-7510 Printer,Automatic D — one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; no award in our record; AMSC C on the latest solicitation: only approved sources may supply

Supply classes

Sell into this platform

List the parts you hold and every DLA and SAM.gov request for a MK-556 stock number lands on your dashboard the morning it posts, ranked by your price edge. Free account →

About this page

A stock number is tied to the MK-556 when the federal catalog's item characteristics name it as the end item; spellings and series letters (KC-46A, F/A-22) are folded together. Demand and prices come from DLA DIBBS, vendors from the award record, risk from the obsolescence watch. Same page for every reader. Data, not advice.

Questions

What parts does the MK-556 use?: The federal catalog ties 29 national stock numbers to the MK-556, most of them in supply classes 7021 (Information Technology Central Processing Unit (Cpu, Computer), Digital), 7025 (Information Technology Input/Output And Storage Devices). 2 of them have a DLA solicitation or award on record; the most-bought include 7021-01-574-7503 Computer,Digital; 7025-01-574-7510 Printer,Automatic D.
Who supplies MK-556 parts to the government?: No DLA award on these stock numbers is on record in the last 36 months.
Is the government buying MK-556 parts right now?: No DLA solicitation is open today on MK-556 stock numbers; 2 were issued in the last twelve months. 2 of the platform's stock numbers show supply-risk signals (few sources, long gaps between buys, or DMSMS notices). Each solicitation page shows the quantity, due date, the gates a seller must clear, and what was paid before.

Numbers as of the nightly build. Data, not advice.