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SM-A-777774-2 — ARRESTER,ELECTRICAL SURGE

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

SM-A-777774-2: ARRESTER,ELECTRICAL SURGE.

The ARRESTER,ELECTRICAL SURGE is a the manufacturer industrial component. Key specifications include usage_design: INDOOR, arrester_type: GAS AND AIR GAP, overall_width: 2.500 INCHES NOMINAL IN, overall_height: 0.812 INCHES NOMINAL IN, overall_length: 8.000 INCHES NOMINAL IN, unpackaged_unit_weight: 0.750 POUNDS NOMINAL LBS. This part is cataloged in the U.S.

Government catalog under NSN 5920-01-102-2227, 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→ SM-A-777774-2
NSN: 5920-01-102-2227
FSC: 5920 — Fuses, Arrestors, Absorbers, and Protectors
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
usage_designINDOOR
arrester_typeGAS AND AIR GAP
overall_width2.500 INCHES NOMINAL IN
overall_height0.812 INCHES NOMINAL IN
overall_length8.000 INCHES NOMINAL IN
unpackaged_unit_weight0.750 POUNDS NOMINAL LBS
end_item_identificationAN/TSC-100
NSN5920-01-102-2227
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ARRESTER,ELECTRICAL SURGE TITLE COMPONENT PN SM-A-777774-2 MFR ARRESTER,ELECTRICAL SU
KEY FEATURES
•
UNPACKAGED UNIT WEIGHT: 0.750 POUNDS NOMINAL LBS
•
USAGE DESIGN: INDOOR
•
ARRESTER TYPE: GAS AND AIR GAP
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.812 INCHES NOMINAL IN
UNPACKAGED UNIT WEIGHT0.750 POUNDS NOMINAL LBS
USAGE DESIGNINDOOR
ARRESTER TYPEGAS AND AIR GAP
OVERALL LENGTH8.000 INCHES NOMINAL IN
OVERALL WIDTH2.500 INCHES NOMINAL IN
END ITEM IDENTIFICATIONAN/TSC-100
OTHER ITEMS IN FSC 5920 — Fuses, Arrestors, Absorbers, and Protectors
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5920-00-001-3111 5920-00-001-3260 5920-00-001-3261 5920-00-001-3262 5920-00-001-3263 5920-00-001-3264 5920-00-001-3296 5920-00-001-3840
SUBSTITUTES & CROSS-REFERENCES 1
GZ61227KReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SM-A-777774-2?
SM-A-777774-2 is a ARRESTER,ELECTRICAL SURGE. It is classified as a MRO (MRO_GENERAL).
What parts can replace SM-A-777774-2?
There is 1 known substitute for SM-A-777774-2: GZ61227K. Substitute compatibility should be verified for your specific system.
What is the NSN for SM-A-777774-2?
SM-A-777774-2 is cataloged in the U.S. Government catalog under NSN 5920-01-102-2227. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.