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2156140 — CIRCULATOR,RADIO FREQUENCY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

2156140: CIRCULATOR,RADIO FREQUENCY.

The CIRCULATOR,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include lining_width: 5.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, lining_length: 9.188 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, nonsupply_item: RAYBESTOS 4056D LINING SET BRAKE 1,RAYBESTOS 3/8 BY 1-1/2 IN. BOLT W/NUT 32 IN, lining_quantity: 8 LOCATION NOT OTHERWISE SPECIFIED, lining_thickness: 0.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, drum_diameter_for_which_designed: 17.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN.

This part is cataloged in the U.S. Government catalog under NSN 2530-00-274-4453, 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
2156140
NSN: 2530-00-274-4453
FSC: 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
lining_width5.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
lining_length9.188 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
nonsupply_itemRAYBESTOS 4056D LINING SET BRAKE 1,RAYBESTOS 3/8 BY 1-1/2 IN. BOLT W/NUT 32 IN
lining_quantity8 LOCATION NOT OTHERWISE SPECIFIED
lining_thickness0.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
drum_diameter_for_which_designed17.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
NSN2530-00-274-4453
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CIRCULATOR,RADIO FREQUENCY TITLE COMPONENT PN 2156140 MFR CIRCULATOR,RADIO FREQU
KEY FEATURES
•
LINING QUANTITY: 8 LOCATION NOT OTHERWISE SPECIFIED
•
LINING THICKNESS: 0.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
NONSUPPLY ITEM: RAYBESTOS 4056D LINING SET BRAKE 1,RAYBESTOS 3/8 BY 1-1/2 IN. BOLT W/NUT 32 IN
•
LINING WIDTH: 5.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
DRUM DIAMETER FOR WHICH DESIGNED: 17.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
LINING LENGTH: 9.188 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
LINING QUANTITY8 LOCATION NOT OTHERWISE SPECIFIED
LINING THICKNESS0.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
NONSUPPLY ITEMRAYBESTOS 4056D LINING SET BRAKE 1,RAYBESTOS 3/8 BY 1-1/2 IN. BOLT W/NUT 32 IN
LINING WIDTH5.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
DRUM DIAMETER FOR WHICH DESIGNED17.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
LINING LENGTH9.188 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES 6
221SM71Reference document
Same NSN cross-reference
Reference document — Secondary reference
MPS166Reference document
Same NSN cross-reference
Reference document — Secondary reference
4056DReference document
Same NSN cross-reference
Reference document — Secondary reference
408645Reference document
Same NSN cross-reference
Reference document — Secondary reference
243749Reference document
Same NSN cross-reference
Reference document — Secondary reference
MP5166Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2156140?
2156140 is a CIRCULATOR,RADIO FREQUENCY.
What parts can replace 2156140?
There are 6 known substitutes for 2156140: 221SM71, MPS166, 4056D and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2156140?
2156140 is cataloged in the U.S. Government catalog under NSN 2530-00-274-4453. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.