A-A-55518/4 — Technical Data Sheet

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— · 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 172 OR COPPER ALLOY 173 OR COPPER ALLOY 170 OR COPPER ALLOY 172 CONTACT, body_style: CLIP CONNECTED TYPE, body_height: 1.030 INCHES NOMINAL IN, overall_width: 0.835 INCHES MINIMUM AND 0.845 INCHES MAXIMUM IN, base_thickness: 0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN, coating_method: PLATED CONTACT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-00-164-1147, 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→ A-A-55518/4

NSN: 5920-00-164-1147
FSC: 5920
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)

SPECIFICATIONS

material	COPPER ALLOY 172 OR COPPER ALLOY 173 OR COPPER ALLOY 170 OR COPPER ALLOY 172 CONTACT
body_style	CLIP CONNECTED TYPE
body_height	1.030 INCHES NOMINAL IN
overall_width	0.835 INCHES MINIMUM AND 0.845 INCHES MAXIMUM IN
base_thickness	0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
coating_method	PLATED CONTACT
overall_height	1.025 INCHES MINIMUM AND 1.035 INCHES MAXIMUM IN
overall_length	2.745 INCHES MINIMUM AND 2.755 INCHES MAXIMUM IN
voltage_in_volts	250.0
surface_treatment	COPPER AND TIN AND ZINC CONTACT
mounting_hole_style	ONE HOLE MOUNTING
functional_description	ACCOMMODATES 5AG OR 5AB TYPE FUSE CARTRIDGES
NSN	5920-00-164-1147

COMPONENT DIAGRAM

KEY FEATURES

•

TERMINAL TYPE AND QUANTITY: 12 SCREW

•

BASE THICKNESS: 0.250 INCHES NOMINAL IN

•

MOUNTING HOLE STYLE: IN-LINE ALONG THE WIDTH

•

FUSE TERMINAL TYPE ACCOMMODATED: FERRULE

•

INTERNAL CIRCUIT CONFIGURATION AND POLE QUANTITY: 6 POLE, MAINLINE, FUSED

•

MATERIAL: COPPER ALLOY CONTACT

•

FUSE ACCOMMODATION QUANTITY: 6

TECHNICAL CHARACTERISTICS (FLIS)

TERMINAL TYPE AND QUANTITY	12 SCREW
BASE THICKNESS	0.250 INCHES NOMINAL IN
MOUNTING HOLE STYLE	IN-LINE ALONG THE WIDTH
OVERALL WIDTH	5.690 INCHES NOMINAL IN
FUSE TERMINAL TYPE ACCOMMODATED	FERRULE
INTERNAL CIRCUIT CONFIGURATION AND POLE QUANTITY	6 POLE, MAINLINE, FUSED
MATERIAL	COPPER ALLOY CONTACT
FUSE ACCOMMODATION QUANTITY	6
ACCOMMODATED FERRULE DIAMETER	0.406 INCHES NOMINAL IN
ACCOMMODATED FUSE LENGTH	1.500 INCHES NOMINAL IN

VERIFIED SUBSTITUTES & CROSS-REFERENCES 19

35556Interchangeable