521637 — INDICATOR,TEMPERATURE,ELECTRICAL

✓ Government record, cited

AMETEK, INC. DIV AEROSPACE & DEFENSE · COMPONENT

PRODUCT OVERVIEW

521637: INDICATOR,TEMPERATURE,ELECTRICAL.

INDICATOR,TEMPERATURE,ELECTRICAL. Key specifications include WIDTH: 1.170 INCHES NOMINAL IN, HEIGHT: 3.500 INCHES NOMINAL IN, LENGTH: 7.500 INCHES MAXIMUM IN, SCALE RANGE: +0.1 TO 200.0 DEG CELSIUS ALL INDICATORS SINGLE SCALE, CONTACT TYPE: PIN, CURRENT TYPE: DC. This part is cataloged in the U.S.

Government catalog under NSN 6685-01-281-6849, 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

521637

NSN: 6685-01-281-6849
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
CAGE: 61349 — AMETEK, INC. DIV AEROSPACE & DEFENSE (USA)

SPECIFICATIONS

WIDTH	1.170 INCHES NOMINAL IN
HEIGHT	3.500 INCHES NOMINAL IN
LENGTH	7.500 INCHES MAXIMUM IN
SCALE RANGE	+0.1 TO 200.0 DEG CELSIUS ALL INDICATORS SINGLE SCALE
CONTACT TYPE	PIN
CURRENT TYPE	DC
SCALE MARKING	LINED INCREMENTS AND NUMERALS
CONTACT QUANTITY	15
DC VOLTAGE RATING	28.0 VOLTS NOMINAL AND 5.0 VOLTS NOMINAL
END ITEM IDENTIFICATION	E3A
SCALE MARKING TRANSPARENCY	NONLUMINOUS
ELECTRICAL CONNECTION QUANTITY	1
NSN	6685-01-281-6849

COMPONENT DIAGRAM

KEY FEATURES

•

CONTACT TYPE: PIN

•

SCALE MARKING: LINED INCREMENTS AND NUMERALS

•

LENGTH: 7.500 INCHES MAXIMUM IN

•

CURRENT TYPE: DC

•

ELECTRICAL CONNECTION QUANTITY: 1

•

DC VOLTAGE RATING: 28.0 VOLTS NOMINAL AND 5.0 VOLTS NOMINAL

•

ELECTRICAL CONNECTION IDENTIFYING NUMBER: MIL-C-26500

•

SCALE RANGE: +0.1 TO 200.0 DEG CELSIUS ALL INDICATORS SINGLE SCALE

TECHNICAL CHARACTERISTICS

CONTACT TYPE	PIN
SCALE MARKING	LINED INCREMENTS AND NUMERALS
LENGTH	7.500 INCHES MAXIMUM IN
CURRENT TYPE	DC
ELECTRICAL CONNECTION QUANTITY	1
DC VOLTAGE RATING	28.0 VOLTS NOMINAL AND 5.0 VOLTS NOMINAL
ELECTRICAL CONNECTION IDENTIFYING NUMBER	MIL-C-26500
SCALE RANGE	+0.1 TO 200.0 DEG CELSIUS ALL INDICATORS SINGLE SCALE
SCALE MARKING TRANSPARENCY	NONLUMINOUS
CONTACT QUANTITY	15

OTHER ITEMS IN FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments

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

6685-00-001-1475 6685-00-001-1503 6685-00-001-1643 6685-00-001-1711 6685-00-001-2099 6685-00-001-2100 6685-00-001-2101 6685-00-001-2102

SUBSTITUTES & CROSS-REFERENCES 2

60B40121-1Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

1834-16LWReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Demilitarization required — mutilation + specific procedure

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FREQUENTLY ASKED QUESTIONS

What is 521637?

521637 is a INDICATOR,TEMPERATURE,ELECTRICAL manufactured by AMETEK, INC. DIV AEROSPACE & DEFENSE.

What parts can replace 521637?

There are 2 known substitutes for 521637: 60B40121-1, 1834-16LW. Substitute compatibility should be verified for your specific system.

What is the NSN for 521637?

521637 is cataloged in the U.S. Government catalog under NSN 6685-01-281-6849. This indicates validated use in U.S. government and defense supply chains.

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521637 — INDICATOR,TEMPERATURE,ELECTRICAL

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