77C721121 — RESISTOR,THERMAL

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

77C721121: RESISTOR,THERMAL.

The RESISTOR,THERMAL is a the manufacturer industrial component. Key specifications include body_width: 0.250 INCHES NOMINAL IN, inclosure_type: ENCAPSULATED, terminal_length: 1.000 INCHES MINIMUM IN, style_designator: DISK, terminal_diameter: 0.025 INCHES NOMINAL IN, body_outside_diameter: 0.400 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5905-01-162-0816, 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→ 77C721121

NSN: 5905-01-162-0816
FSC: 5905 — Resistor
CAGE: 03538 — LOCKHEED MARTIN CORPORATION DIV RMS (USA)

SPECIFICATIONS

body_width	0.250 INCHES NOMINAL IN
inclosure_type	ENCAPSULATED
terminal_length	1.000 INCHES MINIMUM IN
style_designator	DISK
terminal_diameter	0.025 INCHES NOMINAL IN
body_outside_diameter	0.400 INCHES NOMINAL IN
reliability_indicator	NOT ESTABLISHED
zero_power_resistance	100.000 OHMS
maximum_operating_temp	125.0 CELSIUS DEGC
terminal_type_and_quantity	2 WIRE LEAD
ambient_temp_at_full_rated_power	25.0 CELSIUS DEGC
zero_power_resistance_tolerance_in_percent_at_reference_temp	-40.0 TO 40.0
NSN	5905-01-162-0816

COMPONENT DIAGRAM

KEY FEATURES

•

INCLOSURE TYPE: ENCAPSULATED

•

TERMINAL DIAMETER: 0.025 INCHES NOMINAL IN

•

TERMINAL LENGTH: 1.000 INCHES MINIMUM IN

•

BODY OUTSIDE DIAMETER: 0.400 INCHES NOMINAL IN

•

BODY WIDTH: 0.250 INCHES NOMINAL IN

•

STYLE DESIGNATOR: DISK

•

ZERO POWER RESISTANCE: 100.000 OHMS

•

AMBIENT TEMP AT FULL RATED POWER: 25.0 CELSIUS DEGC

TECHNICAL CHARACTERISTICS

INCLOSURE TYPE	ENCAPSULATED
TERMINAL DIAMETER	0.025 INCHES NOMINAL IN
TERMINAL LENGTH	1.000 INCHES MINIMUM IN
BODY OUTSIDE DIAMETER	0.400 INCHES NOMINAL IN
BODY WIDTH	0.250 INCHES NOMINAL IN
STYLE DESIGNATOR	DISK
ZERO POWER RESISTANCE	100.000 OHMS
AMBIENT TEMP AT FULL RATED POWER	25.0 CELSIUS DEGC
ZERO POWER RESISTANCE TOLERANCE IN PERCENT AT REFERENCE TEMP	-40.0 TO 40.0
MAXIMUM OPERATING TEMP	125.0 CELSIUS DEGC

OTHER ITEMS IN FSC 5905 — Resistor

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5905-00-000-0136 5905-00-000-0488 5905-00-000-8809 5905-00-000-8833 5905-00-000-9526 5905-00-001-1342 5905-00-001-1573 5905-00-001-2059

SUBSTITUTES & CROSS-REFERENCES 1

225D10102Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 77C721121?

77C721121 is a RESISTOR,THERMAL. It is classified as a MRO (MRO_GENERAL).

What parts can replace 77C721121?

There is 1 known substitute for 77C721121: 225D10102. Substitute compatibility should be verified for your specific system.

What is the NSN for 77C721121?

77C721121 is cataloged in the U.S. Government catalog under NSN 5905-01-162-0816. This indicates validated use in U.S. government and defense supply chains.

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77C721121 — RESISTOR,THERMAL

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