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21354 FIND 18 — RETAINER SLEEVE,SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

21354 FIND 18: RETAINER SLEEVE,SEAL.

The RETAINER SLEEVE,SEAL is a the manufacturer industrial component. Key specifications include special_features: HEXAGON, general_characteristics_item_description: STEEL COMP 416; LG;2 IN.,W;1-1/8 IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-415-0652, 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
21354 FIND 18
NSN: 5330-01-415-0652
FSC: 5330 — Packing and Gasket Materials
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
special_featuresHEXAGON
general_characteristics_item_descriptionSTEEL COMP 416; LG;2 IN.,W;1-1/8 IN
NSN5330-01-415-0652
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21354 FIND 18 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL COMP 416; LG;2 IN.,W;1-1/8 IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL COMP 416; LG;2 IN.,W;1-1/8 IN
SPECIAL FEATURESHEXAGON
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
21803 FIND 14Reference 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 21354 FIND 18?
21354 FIND 18 is a RETAINER SLEEVE,SEAL.
What parts can replace 21354 FIND 18?
There is 1 known substitute for 21354 FIND 18: 21803 FIND 14. Substitute compatibility should be verified for your specific system.
What is the NSN for 21354 FIND 18?
21354 FIND 18 is cataloged in the U.S. Government catalog under NSN 5330-01-415-0652. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.