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ST21D19-4 — INSULATOR,BUSHING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

ST21D19-4: INSULATOR,BUSHING.

The INSULATOR,BUSHING is a the manufacturer industrial component. Key specifications include shank_height: 0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN, overall_height: 0.050 INCHES NOMINAL IN, inside_diameter: 0.320 INCHES NOMINAL IN, outside_diameter: 0.875 INCHES NOMINAL IN, unable_to_decode: UNABLE TO DECODE, shank_outside_diameter: 0.370 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5970-01-269-0323, 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
ST21D19-4
NSN: 5970-01-269-0323
FSC: 5970 — Electrical Insulators and Insulating Materials
CAGE: 42451 — UCAR CARBON CO INC (USA)
SPECIFICATIONS
shank_height0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
overall_height0.050 INCHES NOMINAL IN
inside_diameter0.320 INCHES NOMINAL IN
outside_diameter0.875 INCHES NOMINAL IN
unable_to_decodeUNABLE TO DECODE
shank_outside_diameter0.370 INCHES NOMINAL IN
NSN5970-01-269-0323
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSULATOR,BUSHING TITLE COMPONENT PN ST21D19-4 MFR INSULATOR,BUSHING
KEY FEATURES
•
SHANK HEIGHT: 0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.875 INCHES NOMINAL IN
•
SHANK OUTSIDE DIAMETER: 0.370 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.320 INCHES NOMINAL IN
•
UNABLE TO DECODE: UNABLE TO DECODE
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.050 INCHES NOMINAL IN
SHANK HEIGHT0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.875 INCHES NOMINAL IN
SHANK OUTSIDE DIAMETER0.370 INCHES NOMINAL IN
INSIDE DIAMETER0.320 INCHES NOMINAL IN
UNABLE TO DECODEUNABLE TO DECODE
OTHER ITEMS IN FSC 5970 — Electrical Insulators and Insulating Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5970-00-001-1330 5970-00-001-1357 5970-00-001-1418 5970-00-001-1420 5970-00-001-1472 5970-00-001-1476 5970-00-001-1477 5970-00-001-1479
SUBSTITUTES & CROSS-REFERENCES 1
ST21D19Reference 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 ST21D19-4?
ST21D19-4 is a INSULATOR,BUSHING.
What parts can replace ST21D19-4?
There is 1 known substitute for ST21D19-4: ST21D19. Substitute compatibility should be verified for your specific system.
What is the NSN for ST21D19-4?
ST21D19-4 is cataloged in the U.S. Government catalog under NSN 5970-01-269-0323. 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.