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21C1231G01 — PROTECTOR,AIR SEAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

21C1231G01: PROTECTOR,AIR SEAL.

The PROTECTOR,AIR SEAL is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4920-00-571-9019, 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
21C1231G01
NSN: 4920-00-571-9019
FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
CAGE: 5QE71 — RHINESTAHL CORPORATION DBA RHINESTAHL (USA)
SPECIFICATIONS
Part Number21C1231G01
NSN4920-00-571-9019
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PROTECTOR,AIR SEAL TITLE COMPONENT PN 21C1231G01 MFR PROTECTOR,AIR SEAL
OTHER ITEMS IN FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4920-00-000-0190 4920-00-001-1405 4920-00-001-1716 4920-00-001-1744 4920-00-001-1745 4920-00-001-1746 4920-00-001-1747 4920-00-001-1748
SUBSTITUTES & CROSS-REFERENCES 1
21C1231G001Same 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 21C1231G01?
21C1231G01 is a PROTECTOR,AIR SEAL.
What parts can replace 21C1231G01?
There is 1 known substitute for 21C1231G01: 21C1231G001. Substitute compatibility should be verified for your specific system.
What is the NSN for 21C1231G01?
21C1231G01 is cataloged in the U.S. Government catalog under NSN 4920-00-571-9019. 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.