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1770887 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The GASKET is a the manufacturer industrial component. Key specifications include material: ASBESTOS OVERALL, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, hole_diameter: 0.364 INCHES MINIMUM AND 0.367 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 5.000 INCHES NOMINAL IN, aperture_width: 3.500 INCHES NOMINAL IN, overall_length: 6.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-585-7728, 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
1770887
NSN: 5330-00-585-7728
FSC: 5330
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialASBESTOS OVERALL
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
hole_diameter0.364 INCHES MINIMUM AND 0.367 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_width5.000 INCHES NOMINAL IN
aperture_width3.500 INCHES NOMINAL IN
overall_length6.000 INCHES NOMINAL IN
aperture_length5.120 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
bolt_hole_quantity4
inside_corner_radius1.500 INCHES NOMINAL IN
elongation_percentage160 MAXIMUM
outside_corner_radius0.438 INCHES NOMINAL IN
NSN5330-00-585-7728
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1770887 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 SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH: 0.438 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: WS5156,FSCM 10001 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
ELONGATION PERCENTAGE: 160 MAXIMUM
•
APERTURE WIDTH: 3.500 INCHES NOMINAL IN
•
MATERIAL: ASBESTOS OVERALL
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
BOLT HOLE QUANTITY: 4
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH0.438 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONWS5156,FSCM 10001 MFR REF SINGLE MATERIAL RESPONSE OVERALL
ELONGATION PERCENTAGE160 MAXIMUM
APERTURE WIDTH3.500 INCHES NOMINAL IN
MATERIALASBESTOS OVERALL
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
BOLT HOLE QUANTITY4
OVERALL LENGTH6.000 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
93007Interchangeable
interchangeable cross-reference
interchangeable
250PB2-2Interchangeable
interchangeable cross-reference
interchangeable
DW2022Interchangeable
interchangeable cross-reference
interchangeable
250PB2-AInterchangeable
interchangeable cross-reference
interchangeable
801649-001Interchangeable
interchangeable cross-reference
interchangeable
BX00-801649-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1770887?
1770887 is a GASKET.
What parts can replace 1770887?
There are 7 known substitutes for 1770887: 93007, 250PB2-2, DW2022 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1770887?
1770887 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-585-7728. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026