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Technical Data Sheet
21-632-16 ✓ 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 RETAINER,PACKING is a the manufacturer industrial component. Key specifications include end_item_identification: HELICOPTER, BO-105 VBH/PAH1, TANDEMHYDRAULIC UNIT, PLUNGER ASSY; EUROCOTER DEUTSCHLAND GMBH. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-412-6218, 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
21-632-16
NSN: 5330-01-412-6218
FSC: 5330
CAGE: 91587 — REXNORD INDUSTRIES, LLC DIV AEROSPACE SOLUTIONS DOWNERS GROVE (USA)
SPECIFICATIONS
end_item_identificationHELICOPTER, BO-105 VBH/PAH1, TANDEMHYDRAULIC UNIT, PLUNGER ASSY; EUROCOTER DEUTSCHLAND GMBH
NSN5330-01-412-6218
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21-632-16 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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONHELICOPTER, BO-105 VBH/PAH1, TANDEMHYDRAULIC UNIT, PLUNGER ASSY; EUROCOTER DEUTSCHLAND GMBH
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
WA-57436Interchangeable
interchangeable cross-reference
interchangeable
57436Interchangeable
interchangeable cross-reference
interchangeable
R45562Interchangeable
interchangeable cross-reference
interchangeable
45562Interchangeable
interchangeable cross-reference
interchangeable
326-28Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21-632-16?
21-632-16 is a RETAINER,PACKING.
What parts can replace 21-632-16?
There are 5 known substitutes for 21-632-16: WA-57436, 57436, R45562 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21-632-16?
21-632-16 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-412-6218. This indicates validated use in U.S. government and defense supply chains.
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