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82389-A — SEAR ASSEMBLY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

82389-A: SEAR ASSEMBLY.

The SEAR ASSEMBLY is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL, peripheral_diameter: 8.000 INCHES NOMINAL IN, center_hole_diameter: 7.000 INCHES NOMINAL IN, cross-sectional_height: 0.500 INCHES NOMINAL IN, cross-sectional_shape_style: SPECIAL, cross_section_inside_diameter: 7.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-873-2572, 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
82389-A
NSN: 5330-00-873-2572
NIINs: 008732572, 015264378
FSC: 5330 — Packing and Gasket Materials
CAGE: 23168 — HAMMEL DAHL INC (USA)
SPECIFICATIONS
materialRUBBER OVERALL
peripheral_diameter8.000 INCHES NOMINAL IN
center_hole_diameter7.000 INCHES NOMINAL IN
cross-sectional_height0.500 INCHES NOMINAL IN
cross-sectional_shape_styleSPECIAL
cross_section_inside_diameter7.000 INCHES NOMINAL IN
cross_section_outside_diameter8.000 INCHES NOMINAL IN
material_document_and_classification413 FSCM 92798 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-873-2572
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 82389-A 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: 0.500 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 413 FSCM 92798 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
CROSS SECTION INSIDE DIAMETER: 7.000 INCHES NOMINAL IN
•
PERIPHERAL DIAMETER: 8.000 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 7.000 INCHES NOMINAL IN
•
CROSS SECTION OUTSIDE DIAMETER: 8.000 INCHES NOMINAL IN
•
MATERIAL: RUBBER OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION413 FSCM 92798 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESPECIAL
CROSS SECTION INSIDE DIAMETER7.000 INCHES NOMINAL IN
PERIPHERAL DIAMETER8.000 INCHES NOMINAL IN
CENTER HOLE DIAMETER7.000 INCHES NOMINAL IN
CROSS SECTION OUTSIDE DIAMETER8.000 INCHES NOMINAL IN
MATERIALRUBBER OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
6401436PCReference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 82389-A?
82389-A is a SEAR ASSEMBLY.
What parts can replace 82389-A?
There is 1 known substitute for 82389-A: 6401436PC. Substitute compatibility should be verified for your specific system.
What is the NSN for 82389-A?
82389-A is cataloged in the U.S. Government catalog under NSN 5330-00-873-2572. 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.