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Technical Data Sheet
PartsTable / MRO / AA9778-61S
AA9778-61S ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 FUSEHOLDER,BLOCK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY CONTACT, overall_width: 3.438 INCHES NOMINAL IN, overall_height: 1.500 INCHES NOMINAL IN, overall_length: 1.531 INCHES NOMINAL IN, special_features: W/BARRIERS, accommodated_fuse_length: 2.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-00-556-1222, 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
MRO→ MRO_GENERAL→ AA9778-61S
NSN: 5920-00-556-1222
FSC: 5920
CAGE: 60047 — PALL AEROPOWER CORP SUB OF PALL CORP MECTRON INDUSTRIES DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY CONTACT
overall_width3.438 INCHES NOMINAL IN
overall_height1.500 INCHES NOMINAL IN
overall_length1.531 INCHES NOMINAL IN
special_featuresW/BARRIERS
accommodated_fuse_length2.000 INCHES NOMINAL IN
terminal_type_and_quantity2 WIRE LEAD
fuse_accommodation_quantity1
accommodated_ferrule_diameter0.562 INCHES NOMINAL IN
fuse_terminal_type_accommodatedFERRULE
internal_circuit_configuration_and_pole_quantity1 POLE, MAINLINE, FUSED
NSN5920-00-556-1222
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FUSEHOLDER,BLOCK TITLE COMPONENT PN AA9778-61S MFR FUSEHOLDER,BLOCK
KEY FEATURES
•
TERMINAL TYPE AND QUANTITY: 2 WIRE LEAD
•
FUSE TERMINAL TYPE ACCOMMODATED: FERRULE
•
MATERIAL: PLASTIC BODY
•
ACCOMMODATED FUSE LENGTH: 2.000 INCHES NOMINAL IN
•
FUSE ACCOMMODATION QUANTITY: 1
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL TYPE AND QUANTITY2 WIRE LEAD
FUSE TERMINAL TYPE ACCOMMODATEDFERRULE
MATERIALPLASTIC BODY
MATERIALCOPPER ALLOY CONTACT
OVERALL LENGTH1.531 INCHES NOMINAL IN
ACCOMMODATED FUSE LENGTH2.000 INCHES NOMINAL IN
FUSE ACCOMMODATION QUANTITY1
SPECIAL FEATURESW/BARRIERS
OVERALL HEIGHT1.500 INCHES NOMINAL IN
ACCOMMODATED FERRULE DIAMETER0.562 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
204929Interchangeable
interchangeable cross-reference
interchangeable
07-203332Interchangeable
interchangeable cross-reference
interchangeable
F3076Interchangeable
interchangeable cross-reference
interchangeable
37702Interchangeable
interchangeable cross-reference
interchangeable
16-50549Interchangeable
interchangeable cross-reference
interchangeable
4929Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA9778-61S?
AA9778-61S is a FUSEHOLDER,BLOCK. It is classified as a MRO (MRO_GENERAL).
What parts can replace AA9778-61S?
There are 9 known substitutes for AA9778-61S: 204929, 07-203332, F3076 and 6 more. Substitute compatibility should be verified for your specific system.
Is AA9778-61S still available?
AA9778-61S is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026