8657C — TESTER,PYROMETER AND THERMOCOUPL

✓ Government record, cited

LEEDS AND NORTHRUP CO A UNIT OF GENERAL SIGNAL CORP · COMPONENT

PRODUCT OVERVIEW

8657C: TESTER,PYROMETER AND THERMOCOUPL.

TESTER,PYROMETER AND THERMOCOUPL. Key specifications include MATERIAL: WOOD CASE, CASE TYPE: HINGED LID CARRYING CASE W/HANDLE, SCALE TYPE: CIRCULAR, SCALE RANGE: +0.0 TO 16.0 MILLIVOLTS OR +16.0 TO 64.0 MILLIVOLTS, SCALE LENGTH: 12.000 INCHES NOMINAL IN, OVERALL WIDTH: 6.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 6685-00-508-0546, 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

8657C

NSN: 6685-00-508-0546
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
CAGE: 31922 — LEEDS AND NORTHRUP CO A UNIT OF GENERAL SIGNAL CORP (USA)

SPECIFICATIONS

MATERIAL	WOOD CASE
CASE TYPE	HINGED LID CARRYING CASE W/HANDLE
SCALE TYPE	CIRCULAR
SCALE RANGE	+0.0 TO 16.0 MILLIVOLTS OR +16.0 TO 64.0 MILLIVOLTS
SCALE LENGTH	12.000 INCHES NOMINAL IN
OVERALL WIDTH	6.250 INCHES NOMINAL IN
OVERALL HEIGHT	7.250 INCHES NOMINAL IN
OVERALL LENGTH	9.500 INCHES NOMINAL IN
SCALE ACCURACY	0.05 MV,0.15 MV
MEASUREMENT TYPE	POTENTIOMETER CIRCUIT
SPECIAL FEATURES	W/REFERENCE-JUNCTION COMPENSATOR
INSTALLATION DESIGN	PORTABLE
NSN	6685-00-508-0546

COMPONENT DIAGRAM

KEY FEATURES

•

SCALE ACCURACY: 0.05 MV,0.15 MV

•

INDICATING POINT TYPE: SINGLE

•

SCALE SMALLEST INCREMENT: 0.1 MILLIVOLTS AND 0.2 MILLIVOLTS

•

MEASUREMENT TYPE: POTENTIOMETER CIRCUIT

•

SCALE RANGE: +0.0 TO 16.0 MILLIVOLTS OR +16.0 TO 64.0 MILLIVOLTS

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	7.250 INCHES NOMINAL IN
SCALE ACCURACY	0.05 MV,0.15 MV
INDICATING POINT TYPE	SINGLE
SCALE SMALLEST INCREMENT	0.1 MILLIVOLTS AND 0.2 MILLIVOLTS
MEASUREMENT TYPE	POTENTIOMETER CIRCUIT
SCALE RANGE	+0.0 TO 16.0 MILLIVOLTS OR +16.0 TO 64.0 MILLIVOLTS
OVERALL LENGTH	9.500 INCHES NOMINAL IN
OVERALL WIDTH	6.250 INCHES NOMINAL IN
ACCESSORY COMPONENTS AND QUANTITY	1 BATTERY,DRY CELL,1 TABLE,CONVERSION
SCALE TYPE	CIRCULAR

SUBSTITUTES & CROSS-REFERENCES 1

8696Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 8657C?

8657C is a TESTER,PYROMETER AND THERMOCOUPL manufactured by LEEDS AND NORTHRUP CO A UNIT OF GENERAL SIGNAL CORP.

What parts can replace 8657C?

There is 1 known substitute for 8657C: 8696. Substitute compatibility should be verified for your specific system.

What is the NSN for 8657C?

8657C is cataloged in the U.S. Government catalog under NSN 6685-00-508-0546. This indicates validated use in U.S. government and defense supply chains.

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8657C — TESTER,PYROMETER AND THERMOCOUPL

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