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21688214 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

21688214: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include end_item_identification: 2355-01-567-4930; MINE PROTECTED CLEARANCE VEHICLE; MRAP BUFFALO MK2A2, part_name_assigned_by_controlling_agency: CAM BRAKE SHAFT SEAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-579-1680, 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
21688214
NSN: 5330-01-579-1680
FSC: 5330 — Packing and Gasket Materials
CAGE: ST237 — VOLVO LASTVAGNAR AB - VOLVO TRUCKCORP (SWE)
SPECIFICATIONS
end_item_identification2355-01-567-4930; MINE PROTECTED CLEARANCE VEHICLE; MRAP BUFFALO MK2A2
part_name_assigned_by_controlling_agencyCAM BRAKE SHAFT SEAL
NSN5330-01-579-1680
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21688214 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
PART NAME ASSIGNED BY CONTROLLING AGENCYCAM BRAKE SHAFT SEAL
END ITEM IDENTIFICATION2355-01-567-4930; MINE PROTECTED CLEARANCE VEHICLE; MRAP BUFFALO MK2A2
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 3
23KP516Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7421688214Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
120501045ESame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21688214?
21688214 is a SEAL,PLAIN ENCASED.
What parts can replace 21688214?
There are 3 known substitutes for 21688214: 23KP516, 7421688214, 120501045E. Substitute compatibility should be verified for your specific system.
What is the NSN for 21688214?
21688214 is cataloged in the U.S. Government catalog under NSN 5330-01-579-1680. 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.