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Technical Data Sheet
PartsTable / COMPONENT / 4450A
4450A ✓ 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 SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include end_item_identification: FILTER FOR TP3 SISTEMA SIDE SCAN SONAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-178-4677, 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
4450A
NSN: 5330-00-178-4677
FSC: 5330
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)
SPECIFICATIONS
end_item_identificationFILTER FOR TP3 SISTEMA SIDE SCAN SONAR
NSN5330-00-178-4677
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4450A 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
•
SEAL WIDTH: 0.438 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
MATERIAL: LEATHER SEALING ELEMENT
•
HOUSING BORE DIAMETER: 1.752 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 1.000 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH0.438 INCHES NOMINAL IN
CASE STYLESQUARE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
MATERIALLEATHER SEALING ELEMENT
HOUSING BORE DIAMETER1.752 INCHES NOMINAL IN
MATERIALSTEEL CASE
ACCOMMODATED SHAFT DIAMETER1.000 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
1315-451-0005Interchangeable
Cartridge,90 Millimeter
interchangeable
1315-C272Interchangeable
Cartridge,90 Millimeter
interchangeable
75-1-163-1Interchangeable
Cartridge,90 Millimeter
interchangeable
D15-648XPC452Interchangeable
interchangeable cross-reference
interchangeable
D15-648AAPC452Interchangeable
interchangeable cross-reference
interchangeable
9989Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4450A?
4450A is a SEAL,PLAIN ENCASED.
What parts can replace 4450A?
There are 23 known substitutes for 4450A: 1315-451-0005, 1315-C272, 75-1-163-1 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4450A?
4450A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-178-4677. 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