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7021-70-270-2053 — TRACK,SLIDING DOOR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7021-70-270-2053: TRACK,SLIDING DOOR.

The TRACK,SLIDING DOOR is a the manufacturer industrial component. Key specifications include end_item_identification: UH-60A BLACKHAWK HELICOPTER A, part_name_assigned_by_controlling_agency: DOOR TRACK. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-593-6335, 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
7021-70-270-2053
NSN: 5340-01-593-6335
FSC: 5340 — Hardware, Commercial
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
end_item_identificationUH-60A BLACKHAWK HELICOPTER A
part_name_assigned_by_controlling_agencyDOOR TRACK
NSN5340-01-593-6335
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7021-70-270-2053 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 AGENCYDOOR TRACK
END ITEM IDENTIFICATIONUH-60A BLACKHAWK HELICOPTER A
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
70217-02702-553Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 7021-70-270-2053?
7021-70-270-2053 is a TRACK,SLIDING DOOR.
What parts can replace 7021-70-270-2053?
There is 1 known substitute for 7021-70-270-2053: 70217-02702-553. Substitute compatibility should be verified for your specific system.
What is the NSN for 7021-70-270-2053?
7021-70-270-2053 is cataloged in the U.S. Government catalog under NSN 5340-01-593-6335. 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.