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21388C812R — COUPLING,CLAMP,GROOVED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

21388C812R: COUPLING,CLAMP,GROOVED.

The COUPLING,CLAMP,GROOVED is a the manufacturer industrial component. Key specifications include shape: ROUND, height: 0.130 INCHES NOMINAL IN, material: STEEL OVERALL, nut_type: SELF-LOCKING HEXAGON, band_width: 0.750 INCHES NOMINAL IN, root_width: 0.844 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5342-01-435-0865, 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
21388C812R
NSN: 5342-01-435-0865
FSC: 5342 — Hardware, Weapon System
CAGE: 00624 — EATON AEROQUIP LLC DBA JACKSON NORTH 1 DIV FLUID AND ELECTRICAL DISTRIBUTION (USA)
SPECIFICATIONS
shapeROUND
height0.130 INCHES NOMINAL IN
materialSTEEL OVERALL
nut_typeSELF-LOCKING HEXAGON
band_width0.750 INCHES NOMINAL IN
root_width0.844 INCHES NOMINAL IN
latch_styleSINGLE
temp_rating800.0 FAHRENHEIT DEGF
band_thickness0.020 INCHES NOMINAL IN
retainer_width1.500 INCHES NOMINAL IN
inside_diameter8.120 INCHES NOMINAL IN
segment_quantity2
NSN5342-01-435-0865
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING,CLAMP,GROOVED TITLE COMPONENT PN 21388C812R MFR COUPLING,CLAMP,GROOVED
KEY FEATURES
•
TEMP RATING: 800.0 FAHRENHEIT DEGF
•
BAND WIDTH: 0.750 INCHES NOMINAL IN
•
ROOT WIDTH: 0.844 INCHES NOMINAL IN
•
RETAINER WIDTH: 1.500 INCHES NOMINAL IN
•
SHAPE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: GROOVED RETAINER
•
BAND THICKNESS: 0.020 INCHES NOMINAL IN
•
SEALING INNER LINER: NOT INCLUDED
TECHNICAL CHARACTERISTICS
TEMP RATING800.0 FAHRENHEIT DEGF
BAND WIDTH0.750 INCHES NOMINAL IN
ROOT WIDTH0.844 INCHES NOMINAL IN
RETAINER WIDTH1.500 INCHES NOMINAL IN
SHAPEROUND
CROSS-SECTIONAL SHAPE STYLEGROOVED RETAINER
BAND THICKNESS0.020 INCHES NOMINAL IN
SEALING INNER LINERNOT INCLUDED
RETAINER THICKNESS0.020 INCHES NOMINAL IN
INSIDE DIAMETER8.120 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5342 — Hardware, Weapon System
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5342-00-001-1696 5342-00-001-1972 5342-00-001-1980 5342-00-001-2492 5342-00-001-2502 5342-00-001-3915 5342-00-001-4001 5342-00-001-4655
SUBSTITUTES & CROSS-REFERENCES 2
5342PL1735747Reference document
Same NSN cross-reference
Reference document — Informative reference only
21388C0812RSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21388C812R?
21388C812R is a COUPLING,CLAMP,GROOVED.
What parts can replace 21388C812R?
There are 2 known substitutes for 21388C812R: 5342PL1735747, 21388C0812R. Substitute compatibility should be verified for your specific system.
What is the NSN for 21388C812R?
21388C812R is cataloged in the U.S. Government catalog under NSN 5342-01-435-0865. 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.