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21-04-1416 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

21-04-1416: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include housing_bore_diameter: 2.566 INCHES NOMINAL IN, accommodated_shaft_diameter: 2.109 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: OIL,SEAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-475-5029, 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
21-04-1416
NSN: 5330-01-475-5029
FSC: 5330 — Packing and Gasket Materials
CAGE: 55985 — CARO, INC. DBA SOUTH BEND LATHE (USA)
SPECIFICATIONS
housing_bore_diameter2.566 INCHES NOMINAL IN
accommodated_shaft_diameter2.109 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyOIL,SEAL
NSN5330-01-475-5029
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21-04-1416 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
•
HOUSING BORE DIAMETER: 2.566 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 2.109 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HOUSING BORE DIAMETER2.566 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER2.109 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYOIL,SEAL
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 1
21-04Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 21-04-1416?
21-04-1416 is a SEAL,PLAIN.
What parts can replace 21-04-1416?
There is 1 known substitute for 21-04-1416: 21-04. Substitute compatibility should be verified for your specific system.
What is the NSN for 21-04-1416?
21-04-1416 is cataloged in the U.S. Government catalog under NSN 5330-01-475-5029. This indicates validated use in U.S. government and defense supply chains.
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