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SM-B-187239 — SM-B-187239

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

SM-B-187239: SM-B-187239.

The SM-B-187239 is a the manufacturer industrial component. Key specifications include material: STEEL, overall_length: 0.734 INCHES NOMINAL IN, style_designator: TWO HOLES, PIVOT HOLE ENGAGEMENT END, material_thickness: 0.050 INCHES NOMINAL IN, pivot_pin_hole_diameter: 0.1875 INCHES NOMINAL IN, length_from_pivot_pinhole_centerline_to_point_of_engagement: 0.156 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-340-3731, 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
SM-B-187239
NSN: 3040-00-340-3731
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialSTEEL
overall_length0.734 INCHES NOMINAL IN
style_designatorTWO HOLES, PIVOT HOLE ENGAGEMENT END
material_thickness0.050 INCHES NOMINAL IN
pivot_pin_hole_diameter0.1875 INCHES NOMINAL IN
length_from_pivot_pinhole_centerline_to_point_of_engagement0.156 INCHES NOMINAL IN
NSN3040-00-340-3731
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SM-B-187239 TITLE COMPONENT PN SM-B-187239 MFR SM-B-187239
KEY FEATURES
•
LENGTH FROM PIVOT PINHOLE CENTERLINE TO POINT OF ENGAGEMENT: 0.156 INCHES NOMINAL IN
•
STYLE DESIGNATOR: TWO HOLES, PIVOT HOLE ENGAGEMENT END
•
MATERIAL THICKNESS: 0.050 INCHES NOMINAL IN
•
PIVOT PIN HOLE DIAMETER: 0.1875 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
LENGTH FROM PIVOT PINHOLE CENTERLINE TO POINT OF ENGAGEMENT0.156 INCHES NOMINAL IN
STYLE DESIGNATORTWO HOLES, PIVOT HOLE ENGAGEMENT END
OVERALL LENGTH0.734 INCHES NOMINAL IN
MATERIAL THICKNESS0.050 INCHES NOMINAL IN
PIVOT PIN HOLE DIAMETER0.1875 INCHES NOMINAL IN
SPECIAL FEATURESPAWL END IS BENT 90.0 DEG FROM BASE;HUB ATTACHED MADE OF COPPER ALLOY FINISHED BY PHOSPHOR BRONZE;CASEHARDENED;DEPTH FROM PIVOT PINHOLE CENTERLINE TO POINT OF ENGAGEMENT:0.218 IN.NOM;SURFACE FINISH:PHOSPHATE COATED;FSC APPLICATION DATA:TELETYPE AND FACSIMILE EQUIPMENT IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 2
55897AReference document
Same NSN cross-reference
Reference document — Secondary reference
55897Reference 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 SM-B-187239?
SM-B-187239 is a SM-B-187239.
What parts can replace SM-B-187239?
There are 2 known substitutes for SM-B-187239: 55897A, 55897. Substitute compatibility should be verified for your specific system.
What is the NSN for SM-B-187239?
SM-B-187239 is cataloged in the U.S. Government catalog under NSN 3040-00-340-3731. 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.