PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA9778-61SFuseholder,block

Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div · NSN 5920-00-556-1222 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-556-1222 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-556-1222. Primary manufacturer part number: AA9778-61S.
Features
  • Fuseholder,block — FSC 5920
  • Terminal Type and Quantity: 2 WIRE LEAD
  • Fuse Terminal Type Accommodated: FERRULE
  • Material: PLASTIC BODY
  • Material: COPPER ALLOY CONTACT
  • Accommodated Fuse Length: 2.000 INCHES NOMINAL IN
  • Fuse Accommodation Quantity: 1
  • Accommodated Ferrule Diameter: 0.562 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic Body construction
General Description

The Fuseholder,block, cataloged under National Stock Number 5920-00-556-1222, is classified within Federal Supply Class 5920 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-00-556-1222
Primary Part NumberAA9778-61S
Item NameFuseholder,block
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerPall Aeropower Corp Sub of Pall Corp Mectron Industries Div
StatusCANCELLED
Terminal Type and Quantity2 WIRE LEAD
Fuse Terminal Type AccommodatedFERRULE
MaterialPLASTIC BODY
MaterialCOPPER ALLOY CONTACT
Accommodated Fuse Length2.000 INCHES NOMINAL IN
Fuse Accommodation Quantity1
Accommodated Ferrule Diameter0.562 INCHES NOMINAL IN
Internal Circuit Configuration and Pole Quantity1 POLE, MAINLINE, FUSED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5330-00-153-7626203332 INTERCHANGEABLE
Retainer,transmissi
Clark Material Handling Company
5306-00-207-6628F3076 INTERCHANGEABLE
Bolt,machine
Purolator Products Co Div Motor Components, Llc
5120-01-074-4022GS15951-1 INTERCHANGEABLE
Tool,compression,seal
Hamilton Sundstrand Corporation Dba Collins Aerospace
7510-01-497-74957100000045 INTERCHANGEABLE
Tape,pressure Sensitive Adhesive
3m Company
5360-01-498-40024929 INTERCHANGEABLE
Spring,helical,extension
Amw Cuyuna Engine Co. Inc Dba Two Stroke International
Cross-Reference Index
Part NumberManufacturer
AA9778-61S PRIMARY Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div (USA)
4929 Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division (USA)
Related Parts
5330-00-153-7626INTERCHANGEABLE
RETAINER,TRANSMISSI
203332
5306-00-207-6628INTERCHANGEABLE
BOLT,MACHINE
F3076
5120-01-074-4022INTERCHANGEABLE
TOOL,COMPRESSION,SEAL
GS15951-1
7510-01-497-7495INTERCHANGEABLE
TAPE,PRESSURE SENSITIVE ADHESIVE
7100000045
5360-01-498-4002INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
4929

Frequently Asked Questions

What is NSN 5920-00-556-1222?

NSN 5920-00-556-1222 is a Fuseholder,block, manufactured by Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div, classified under FSC 5920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5920-00-556-1222?

NSN 5920-00-556-1222 has 2 cross-referenced part numbers: AA9778-61S (Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div), 4929 (Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division).

What NSN replaces 5920-00-556-1222?

There are 5 known substitutes for 5920-00-556-1222: 5330-00-153-7626, 5306-00-207-6628, 5120-01-074-4022 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA9778-61S?

Key specifications for AA9778-61S: Terminal Type and Quantity: 2 WIRE LEAD; Fuse Terminal Type Accommodated: FERRULE; Material: PLASTIC BODY; Material: COPPER ALLOY CONTACT. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-00-556-1222 still in active supply?

NSN 5920-00-556-1222 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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