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90543-01 — 90543-01

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

90543-01: 90543-01.

The 90543-01 is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYURETHANE OVERALL, cross-sectional_height: 0.840 INCHES NOMINAL0.840 INCHES NOMINAL IN, material_document_and_classification: 7675 FSCM 57231 MFR REF SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-192-6405, 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
MRO→ MRO_GENERAL→ 90543-01
NSN: 5330-01-192-6405
NIINs: 011926405, 016700602
FSC: 5330 — Packing and Gasket Materials
CAGE: 0SCY8 — FIMOR NORTH AMERICA, INC. (USA)
SPECIFICATIONS
materialPLASTIC POLYURETHANE OVERALL
cross-sectional_height0.840 INCHES NOMINAL0.840 INCHES NOMINAL IN
material_document_and_classification7675 FSCM 57231 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-192-6405
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 90543-01 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.840 INCHES NOMINAL0.840 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 7675 FSCM 57231 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: PLASTIC POLYURETHANE OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.840 INCHES NOMINAL0.840 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION7675 FSCM 57231 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALPLASTIC POLYURETHANE OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
6809970-6Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 90543-01?
90543-01 is a 90543-01. It is classified as a MRO (MRO_GENERAL).
What parts can replace 90543-01?
There is 1 known substitute for 90543-01: 6809970-6. Substitute compatibility should be verified for your specific system.
What is the NSN for 90543-01?
90543-01 is cataloged in the U.S. Government catalog under NSN 5330-01-192-6405. 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.