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546278 — INSULATOR,BUSHING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

546278: INSULATOR,BUSHING.

The INSULATOR,BUSHING is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, overall_height: 0.195 INCHES NOMINAL IN, inside_diameter: 0.445 INCHES NOMINAL IN, outside_diameter: 0.787 INCHES NOMINAL IN, special_features: SEVEN 0.115 TO 0.185 IN. DIA HOLES EQUALLY SPACED IN.

This part is cataloged in the U.S. Government catalog under NSN 5970-00-939-8950, 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
546278
NSN: 5970-00-939-8950
FSC: 5970 — Electrical Insulators and Insulating Materials
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
overall_height0.195 INCHES NOMINAL IN
inside_diameter0.445 INCHES NOMINAL IN
outside_diameter0.787 INCHES NOMINAL IN
special_featuresSEVEN 0.115 TO 0.185 IN. DIA HOLES EQUALLY SPACED IN
NSN5970-00-939-8950
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSULATOR,BUSHING TITLE COMPONENT PN 546278 MFR INSULATOR,BUSHING
KEY FEATURES
•
OUTSIDE DIAMETER: 0.787 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.445 INCHES NOMINAL IN
•
MATERIAL: PLASTIC OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.195 INCHES NOMINAL IN
OUTSIDE DIAMETER0.787 INCHES NOMINAL IN
INSIDE DIAMETER0.445 INCHES NOMINAL IN
SPECIAL FEATURESSEVEN 0.115 TO 0.185 IN. DIA HOLES EQUALLY SPACED IN
MATERIALPLASTIC OVERALL
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 546278?
546278 is a INSULATOR,BUSHING.
What is the NSN for 546278?
546278 is cataloged in the U.S. Government catalog under NSN 5970-00-939-8950. 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.