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1289508 — INSULATOR,BUSHING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1289508: INSULATOR,BUSHING.

The INSULATOR,BUSHING is a the manufacturer industrial component. Key specifications include material: PLASTIC SILICONE AND GLASS FIBER OVERALL, overall_height: 0.400 INCHES NOMINAL IN, inside_diameter: 0.261 INCHES NOMINAL IN, outside_diameter: 0.895 INCHES MINIMUM AND 0.905 INCHES MAXIMUM IN, style_designator: CYLINDRICAL, end_configuration: BOTH ENDS SQUARED. This part is cataloged in the U.S.

Government catalog under NSN 5970-00-301-0513, 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
1289508
NSN: 5970-00-301-0513
NIINs: 003010513, 015167750
FSC: 5970 — Electrical Insulators and Insulating Materials
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialPLASTIC SILICONE AND GLASS FIBER OVERALL
overall_height0.400 INCHES NOMINAL IN
inside_diameter0.261 INCHES NOMINAL IN
outside_diameter0.895 INCHES MINIMUM AND 0.905 INCHES MAXIMUM IN
style_designatorCYLINDRICAL
end_configurationBOTH ENDS SQUARED
end_item_identificationAIR INLET AND EXHAUST SYSTEM 161-2502 MANIFOLD GP-EXHAUST 3512B 8EM MARINE AUXILIARY ENGINE
material_document_and_classificationMIL-M-14, TYPE MSI-30 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyMANIFOLD EXHAUST (REAR RH)
NSN5970-00-301-0513
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSULATOR,BUSHING TITLE COMPONENT PN 1289508 MFR INSULATOR,BUSHING
KEY FEATURES
•
STYLE DESIGNATOR: CYLINDRICAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-M-14, TYPE MSI-30 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.895 INCHES MINIMUM AND 0.905 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 0.261 INCHES NOMINAL IN
•
END CONFIGURATION: BOTH ENDS SQUARED
•
MATERIAL: PLASTIC SILICONE AND GLASS FIBER OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.400 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-M-14, TYPE MSI-30 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.895 INCHES MINIMUM AND 0.905 INCHES MAXIMUM IN
INSIDE DIAMETER0.261 INCHES NOMINAL IN
END CONFIGURATIONBOTH ENDS SQUARED
MATERIALPLASTIC SILICONE AND GLASS FIBER OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
1289508-105Reference 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 1289508?
1289508 is a INSULATOR,BUSHING.
What parts can replace 1289508?
There is 1 known substitute for 1289508: 1289508-105. Substitute compatibility should be verified for your specific system.
What is the NSN for 1289508?
1289508 is cataloged in the U.S. Government catalog under NSN 5970-00-301-0513. 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.