654 — TRANSFORMER,RADIO FREQUENCY

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

654: TRANSFORMER,RADIO FREQUENCY.

The TRANSFORMER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include diameter: 0.250 INCHES NOMINAL IN, material: STEEL, thickness: 0.094 INCHES NOMINAL IN, base_style: MIDGET GROOVED, body_shape: ROUND, body_style: EARPHONE CUSHION, CIRCULAR. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-156-6818, 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→ 654

NSN: 3110-00-156-6818
NIINs: 001566818, 001899538, 001994153, 002030375, 002145739, 002708553, 002803607, 002930032, 002936839, 003393224, 004162326, 004697851, 005688631, 008164352, 008227268, 009335823, 011771197, 015372432
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 0UBG9 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV EPD (USA)

SPECIFICATIONS

diameter	0.250 INCHES NOMINAL IN
material	STEEL
thickness	0.094 INCHES NOMINAL IN
base_style	MIDGET GROOVED
body_shape	ROUND
body_style	EARPHONE CUSHION, CIRCULAR
body_width	0.050 INCHES NOMINAL IN
bore_shape	STRAIGHT
bulb_style	T (TUBULAR)
slot_depth	0.145 INCHES SINGLE END IN
slot_width	0.062 INCHES SINGLE END IN
body_height	3.500 INCHES NOMINAL IN
NSN	3110-00-156-6818

COMPONENT DIAGRAM

KEY FEATURES

•

RETAINER FABRICATION METHOD: PRESSED

•

SURFACE FINISH: GROUND

•

STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE

•

OVERALL OUTSIDE DIAMETER: 100.00 MILLIMETERS NOMINAL MM

•

BORE SHAPE: STRAIGHT

•

CONTACT ANGLE: 25.0 DEGREES MAXIMUM

•

LOAD DIRECTION: ANGULAR

TECHNICAL CHARACTERISTICS

RETAINER FABRICATION METHOD	PRESSED
SURFACE FINISH	GROUND
STYLE DESIGNATOR	COUNTERBORED OUTER RING, NON-SEPARABLE
OVERALL WIDTH	25.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER	100.00 MILLIMETERS NOMINAL MM
BORE SHAPE	STRAIGHT
CONTACT ANGLE	25.0 DEGREES MAXIMUM
LOAD DIRECTION	ANGULAR
STANDARD TOLERANCE DESIGNATION	ABEC NO.1
BORE DIAMETER	35.00 MILLIMETERS NOMINAL MM

SUBSTITUTES & CROSS-REFERENCES 5

601344Reference document

Same NSN cross-reference

Reference document — Secondary reference

H20407Reference document

Same NSN cross-reference

Reference document — Secondary reference

206773-15Reference document

Same NSN cross-reference

Reference document — Secondary reference

7407WSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

20407Reference 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 654?

654 is a TRANSFORMER,RADIO FREQUENCY. It is classified as a MRO (MRO_GENERAL).

What parts can replace 654?

There are 5 known substitutes for 654: 601344, H20407, 206773-15 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 654?

654 is cataloged in the U.S. Government catalog under NSN 3110-00-156-6818. This indicates validated use in U.S. government and defense supply chains.

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