6649 — RESISTOR,VARIABLE,NONWIRE WOUND,

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

6649: RESISTOR,VARIABLE,NONWIRE WOUND,.

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include material: STEEL OVERALL, body_style: CYLINDRICAL BUSHING MOUNTED, body_length: 0.469 INCHES MAXIMUM IN, flat_height: 0.094 INCHES NOMINAL IN, shaft_style: ROUND, FLATTED, shaft_length: 2.460 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-394-4396, 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→ 6649

NSN: 4730-00-394-4396
NIINs: 003944396, 004892111, 008641075, 008645768, 012747992, 014799083
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0KDP7 — KIDDE-FENWAL, LLC (USA)

SPECIFICATIONS

material	STEEL OVERALL
body_style	CYLINDRICAL BUSHING MOUNTED
body_length	0.469 INCHES MAXIMUM IN
flat_height	0.094 INCHES NOMINAL IN
shaft_style	ROUND, FLATTED
shaft_length	2.460 INCHES NOMINAL IN
actuator_type	SINGLE SHAFT
body_diameter	0.500 INCHES NOMINAL IN
shaft_diameter	0.125 INCHES NOMINAL IN
connection_type	THREADED EXTERNAL PIPE ALL ENDS
mounting_method	STANDARD BUSHING
connection_style	PLAIN (PIPE) ALL ENDS
NSN	4730-00-394-4396

COMPONENT DIAGRAM

KEY FEATURES

•

CONNECTION STYLE: PLAIN (PIPE) ALL ENDS

•

NOMINAL OVERALL LENGTH: 4.000 INCHES IN

•

CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS

•

STYLE DESIGNATOR: FLARED W/ OUT WRENCHING FACILITY

•

NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN

•

MATERIAL: COPPER ALLOY OVERALL

•

THREAD SERIES DESIGNATOR: NPT ALL ENDS

TECHNICAL CHARACTERISTICS

CONNECTION STYLE	PLAIN (PIPE) ALL ENDS
NOMINAL OVERALL LENGTH	4.000 INCHES IN
CONNECTION TYPE	THREADED EXTERNAL PIPE ALL ENDS
STYLE DESIGNATOR	FLARED W/ OUT WRENCHING FACILITY
NOMINAL THREAD SIZE	0.250 INCHES ALL ENDS IN
SPECIAL FEATURES	INSIDE DIA 0.422,EXTRA HEAVY WEIGHT
MATERIAL	COPPER ALLOY OVERALL
THREAD SERIES DESIGNATOR	NPT ALL ENDS

SUBSTITUTES & CROSS-REFERENCES 2

ASTM-B687Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

MS51872-32Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 6649?

6649 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).

What parts can replace 6649?

There are 2 known substitutes for 6649: ASTM-B687, MS51872-32. Substitute compatibility should be verified for your specific system.

What is the NSN for 6649?

6649 is cataloged in the U.S. Government catalog under NSN 4730-00-394-4396. This indicates validated use in U.S. government and defense supply chains.

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6649 — RESISTOR,VARIABLE,NONWIRE WOUND,

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