D21239 — CARRIER,DEAD RECKON

✓ Government record, cited

LITTON SYSTEMS INC ITEK OPTICAL SYSTEMS DIV · COMPONENT

PRODUCT OVERVIEW

D21239: CARRIER,DEAD RECKON.

The CARRIER,DEAD RECKON is a LITTON SYSTEMS INC ITEK OPTICAL SYSTEMS DIV industrial component. This part is cataloged in the U.S. Government catalog under NSN 6605-00-337-1223, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

D21239

NSN: 6605-00-337-1223
FSC: 6605 — Navigational Instruments
CAGE: 92208 — LITTON SYSTEMS INC ITEK OPTICAL SYSTEMS DIV (USA)

SPECIFICATIONS

Part Number	D21239
Manufacturer	LITTON SYSTEMS INC ITEK OPTICAL SYSTEMS DIV
NSN	6605-00-337-1223

COMPONENT DIAGRAM

SUBSTITUTES & CROSS-REFERENCES 3

979-1D256Reference document

Same NSN cross-reference

Reference document — Secondary reference

R10863Reference document

Same NSN cross-reference

Reference document — Secondary reference

62364Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedDemilitarization required — mutilation + specific procedure

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FREQUENTLY ASKED QUESTIONS

What is D21239?

D21239 is a CARRIER,DEAD RECKON manufactured by LITTON SYSTEMS INC ITEK OPTICAL SYSTEMS DIV.

What parts can replace D21239?

There are 3 known substitutes for D21239: 979-1D256, R10863, 62364. Substitute compatibility should be verified for your specific system.

What is the NSN for D21239?

D21239 is cataloged in the U.S. Government catalog under NSN 6605-00-337-1223. This indicates validated use in U.S. government and defense supply chains.

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