A121-872 — FUSE,CARTRIDGE

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

A121-872: FUSE,CARTRIDGE.

The FUSE,CARTRIDGE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 172 OR COPPER ALLOY 173 OVERALL, end_style: SPRING END,SQUARED BOTH ENDS, body_style: TUBE TYPE, overall_length: 0.769 INCHES NOMINAL IN, inside_diameter: 0.077 INCHES NOMINAL IN, overall_diameter: 0.197 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5920-00-403-2670, 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→ A121-872

NSN: 5920-00-403-2670
NIINs: 004032670, 004316952
FSC: 5920 — Fuses, Arrestors, Absorbers, and Protectors
CAGE: 59530 — ANGHEL LABORATORIES INC. DBA VERTEXRSI (USA)

SPECIFICATIONS

material	COPPER ALLOY 172 OR COPPER ALLOY 173 OVERALL
end_style	SPRING END,SQUARED BOTH ENDS
body_style	TUBE TYPE
overall_length	0.769 INCHES NOMINAL IN
inside_diameter	0.077 INCHES NOMINAL IN
overall_diameter	0.197 INCHES NOMINAL IN
style_designator	CYLINDRICAL
features_provided	NONRENEWABLE FUSIBLE ELEMENT
precious_material	SILVER
surface_treatment	NICKEL TERMINAL
spring_free_length	3.500 INCHES NOMINAL IN
coil_helix_direction	RIGHT-HAND OR LEFT-HAND
NSN	5920-00-403-2670

COMPONENT DIAGRAM

KEY FEATURES

•

CONTINUOUS CURRENT RATING IN AMPS: 2.000

•

BODY STYLE: TUBE TYPE

•

OVERALL DIAMETER: 0.197 INCHES NOMINAL IN

•

INTERRUPTION INDICATOR METHOD: VISIBLE ELEMENT

•

FEATURES PROVIDED: NONRENEWABLE FUSIBLE ELEMENT

•

SURFACE TREATMENT: NICKEL TERMINAL

•

MAXIMUM VOLTAGE RATING IN VOLTS: 250.0 AC AND 250.0 DC

TECHNICAL CHARACTERISTICS

CONTINUOUS CURRENT RATING IN AMPS	2.000
BODY STYLE	TUBE TYPE
OVERALL DIAMETER	0.197 INCHES NOMINAL IN
OVERALL LENGTH	0.769 INCHES NOMINAL IN
INTERRUPTION INDICATOR METHOD	VISIBLE ELEMENT
FEATURES PROVIDED	NONRENEWABLE FUSIBLE ELEMENT
SURFACE TREATMENT	NICKEL TERMINAL
MAXIMUM VOLTAGE RATING IN VOLTS	250.0 AC AND 250.0 DC
CIRCUIT OVER-CURRENT INTERRUPTION TYPE	NORMAL INSTANTANEOUS

SUBSTITUTES & CROSS-REFERENCES 1

54273-5Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is A121-872?

A121-872 is a FUSE,CARTRIDGE. It is classified as a MRO (MRO_GENERAL).

What parts can replace A121-872?

There is 1 known substitute for A121-872: 54273-5. Substitute compatibility should be verified for your specific system.

What is the NSN for A121-872?

A121-872 is cataloged in the U.S. Government catalog under NSN 5920-00-403-2670. This indicates validated use in U.S. government and defense supply chains.

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A121-872 — FUSE,CARTRIDGE

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