PartsTable
Technical Data Sheet
GD821A1 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The GD821A1 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6620-00-948-3749, 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
GD821A1
NSN: 6620-00-948-3749
FSC: 6620
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
Part NumberGD821A1
NSN6620-00-948-3749
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GD821A1 TITLE COMPONENT PN GD821A1 MFR GD821A1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
4310Interchangeable
interchangeable cross-reference
interchangeable
123-39Interchangeable
interchangeable cross-reference
interchangeable
254-102Interchangeable
interchangeable cross-reference
interchangeable
MIL-HDBK-300(PME)Interchangeable
interchangeable cross-reference
interchangeable
MERLON SIZE 8BInterchangeable
interchangeable cross-reference
interchangeable
18844Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GD821A1?
GD821A1 is a GD821A1.
What parts can replace GD821A1?
There are 18 known substitutes for GD821A1: 4310, 123-39, 254-102 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for GD821A1?
GD821A1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6620-00-948-3749. This indicates validated use in U.S. government and defense supply chains.
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