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1858646-1 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1858646-1: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL, overall_width: 6.292 INCHES MINIMUM AND 6.312 INCHES MAXIMUM IN, aperture_width: 5.917 INCHES MINIMUM AND 5.937 INCHES MAXIMUM IN, overall_length: 11.792 INCHES MINIMUM AND 11.812 INCHES MAXIMUM IN, aperture_length: 11.417 INCHES MINIMUM AND 11.437 INCHES MAXIMUM IN, hardness_rating: 40.0 SHORE DUROMETER A NOMINAL OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-941-9329, 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
1858646-1
NSN: 5330-00-941-9329
FSC: 5330 — Packing and Gasket Materials
CAGE: 55972 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS (USA)
SPECIFICATIONS
materialRUBBER OVERALL
overall_width6.292 INCHES MINIMUM AND 6.312 INCHES MAXIMUM IN
aperture_width5.917 INCHES MINIMUM AND 5.937 INCHES MAXIMUM IN
overall_length11.792 INCHES MINIMUM AND 11.812 INCHES MAXIMUM IN
aperture_length11.417 INCHES MINIMUM AND 11.437 INCHES MAXIMUM IN
hardness_rating40.0 SHORE DUROMETER A NOMINAL OVERALL
style_designatorNON-CIRCULAR
fsc_application_dataAMPLIFIER,COMPUTER,NAVIGATIONAL AIRBORNE
inside_corner_radius0.125 INCHES NOMINAL IN
outside_corner_radius0.312 INCHES NOMINAL IN
cross-sectional_thickness0.063 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-941-9329
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1858646-1 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
•
FSC APPLICATION DATA: AMPLIFIER,COMPUTER,NAVIGATIONAL AIRBORNE
•
CROSS-SECTIONAL THICKNESS: 0.063 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.125 INCHES NOMINAL IN
•
HARDNESS RATING: 40.0 SHORE DUROMETER A NOMINAL OVERALL
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: E-17 FSCM 83298 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAAMPLIFIER,COMPUTER,NAVIGATIONAL AIRBORNE
CROSS-SECTIONAL THICKNESS0.063 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.125 INCHES NOMINAL IN
HARDNESS RATING40.0 SHORE DUROMETER A NOMINAL OVERALL
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONE-17 FSCM 83298 MFR REF SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH11.792 INCHES MINIMUM AND 11.812 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH6.292 INCHES MINIMUM AND 6.312 INCHES MAXIMUM IN
APERTURE WIDTH5.917 INCHES MINIMUM AND 5.937 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1858646-1?
1858646-1 is a GASKET.
What is the NSN for 1858646-1?
1858646-1 is cataloged in the U.S. Government catalog under NSN 5330-00-941-9329. 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.