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PartsTable / COMPONENT / 1551AS990-1
1551AS990-1 ✓ 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 BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include overall_width: 6.000 INCHES NOMINAL IN, overall_length: 8.000 INCHES NOMINAL IN, end_item_identification: GGU-9M O2/N2 GENERATOR, opening_inside_diameter: 2.500 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 5340-01-498-9890, 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
1551AS990-1
NSN: 5340-01-498-9890
FSC: 5340
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
overall_width6.000 INCHES NOMINAL IN
overall_length8.000 INCHES NOMINAL IN
end_item_identificationGGU-9M O2/N2 GENERATOR
opening_inside_diameter2.500 INCHES NOMINAL IN
NSN5340-01-498-9890
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1551AS990-1 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
•
OPENING INSIDE DIAMETER: 2.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OPENING INSIDE DIAMETER2.500 INCHES NOMINAL IN
OVERALL LENGTH8.000 INCHES NOMINAL IN
END ITEM IDENTIFICATIONGGU-9M O2/N2 GENERATOR
OVERALL WIDTH6.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
BB3553Interchangeable
interchangeable cross-reference
interchangeable
14038Interchangeable
interchangeable cross-reference
interchangeable
BT14Interchangeable
interchangeable cross-reference
interchangeable
2140052Interchangeable
interchangeable cross-reference
interchangeable
3038-9012PC4Interchangeable
interchangeable cross-reference
interchangeable
4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1551AS990-1?
1551AS990-1 is a BOOT,DUST AND MOISTURE SEAL.
What parts can replace 1551AS990-1?
There are 15 known substitutes for 1551AS990-1: BB3553, 14038, BT14 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1551AS990-1?
1551AS990-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-498-9890. 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