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91-16521-00 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

91-16521-00: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, seal_width: 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN, construction: SOLID, housing_bore_diameter: 0.750 INCHES NOMINAL IN, accommodated_shaft_diameter: 0.562 INCHES NOMINAL IN, cross-sectional_shape_style: SINGLE LIP. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-006-9360, 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
91-16521-00
NSN: 5330-01-006-9360
FSC: 5330 — Packing and Gasket Materials
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
seal_width0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
constructionSOLID
housing_bore_diameter0.750 INCHES NOMINAL IN
accommodated_shaft_diameter0.562 INCHES NOMINAL IN
cross-sectional_shape_styleSINGLE LIP
NSN5330-01-006-9360
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 91-16521-00 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: 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
•
HOUSING BORE DIAMETER: 0.750 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
•
ACCOMMODATED SHAFT DIAMETER: 0.562 INCHES NOMINAL IN
•
MATERIAL: STEEL INTERNALLY MOLDED-IN REINFORCEMENT
•
CONSTRUCTION: SOLID
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
HOUSING BORE DIAMETER0.750 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
ACCOMMODATED SHAFT DIAMETER0.562 INCHES NOMINAL IN
MATERIALSTEEL INTERNALLY MOLDED-IN REINFORCEMENT
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
CONSTRUCTIONSOLID
SUBSTITUTES & CROSS-REFERENCES 1
63172Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91-16521-00?
91-16521-00 is a SEAL,PLAIN.
What parts can replace 91-16521-00?
There is 1 known substitute for 91-16521-00: 63172. Substitute compatibility should be verified for your specific system.
What is the NSN for 91-16521-00?
91-16521-00 is cataloged in the U.S. Government catalog under NSN 5330-01-006-9360. This indicates validated use in U.S. government and defense supply chains.
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