21-547 — SWITCH,CENTRIFUGAL

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

21-547: SWITCH,CENTRIFUGAL.

The SWITCH,CENTRIFUGAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 1.129 INCHES MINIMUM AND 1.134 INCHES MAXIMUM IN, accessory_type: VALVE, outside_diameter: 1.875 INCHES NOMINAL IN, size_designation: STANDARD, item_type_category: ACCESSORY. This part is cataloged in the U.S.

Government catalog under NSN 2640-00-060-3543, 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→ 21-547

NSN: 2640-00-060-3543
NIINs: 000603543, 007068107, 009392611, 010958282, 010963233, 016745679
FSC: 2640 — Tire Rebuilding and Tire and Tube Repair Materials
CAGE: 85803 — MYERS TIRE SUPPLY DISTRIBUTION INC DIV AKRON BRANCH (USA)

SPECIFICATIONS

material	STEEL OVERALL
hole_diameter	1.129 INCHES MINIMUM AND 1.134 INCHES MAXIMUM IN
accessory_type	VALVE
outside_diameter	1.875 INCHES NOMINAL IN
size_designation	STANDARD
item_type_category	ACCESSORY
material_thickness	0.015 INCHES NOMINAL IN
spring_tension_type	HIGH
fsc_application_data	PNEUMATIC TIRE
internal_keyway_width	0.281 INCHES NOMINAL IN
tire_valve_designation	TR-C-1
end_item_identification	USED ON TANK COMBAT M60A2, TRAILER,LOWBED,COMBAT ENGINEER
NSN	2640-00-060-3543

COMPONENT DIAGRAM

KEY FEATURES

•

TIRE VALVE DESIGNATION: TR-C-1

•

FSC APPLICATION DATA: PNEUMATIC TIRE

•

CORE ENVIRONMENTAL PROTECTION: HEAT RESISTANT

•

SPRING TENSION TYPE: HIGH

•

ACCESSORY TYPE: VALVE

•

SIZE DESIGNATION: STANDARD

•

MATERIAL: STEEL CORROSION RESISTING SPRING

TECHNICAL CHARACTERISTICS

TIRE VALVE DESIGNATION	TR-C-1
FSC APPLICATION DATA	PNEUMATIC TIRE
CORE ENVIRONMENTAL PROTECTION	HEAT RESISTANT
SPRING TENSION TYPE	HIGH
ACCESSORY TYPE	VALVE
SIZE DESIGNATION	STANDARD
END ITEM IDENTIFICATION	USED ON TANK COMBAT M60A2, TRAILER,LOWBED,COMBAT ENGINEER
MATERIAL	STEEL CORROSION RESISTING SPRING
ITEM TYPE CATEGORY	ACCESSORY
COMMERCIAL CORE LENGTH DESIGNATOR	SHORT

SUBSTITUTES & CROSS-REFERENCES 6

8500168-2Reference document

Same NSN cross-reference

Reference document — Secondary reference

20002911LSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

100BBReference document

Same NSN cross-reference

Reference document — Secondary reference

2640000603543Reference document

Same NSN cross-reference

Reference document — Informative reference only

MS51377-2Reference document

Same NSN cross-reference

Reference document — Secondary reference

100HVReference 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 21-547?

21-547 is a SWITCH,CENTRIFUGAL. It is classified as a MRO (MRO_GENERAL).

What parts can replace 21-547?

There are 6 known substitutes for 21-547: 8500168-2, 20002911L, 100BB and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 21-547?

21-547 is cataloged in the U.S. Government catalog under NSN 2640-00-060-3543. This indicates validated use in U.S. government and defense supply chains.

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