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7021-90-102-3042 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7021-90-102-3042: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: PLASTIC ARAMID, hole_diameter: 0.250 INCHES NOMINAL IN, securing_device_type: THREADED FASTENER, end_item_identification: UH-60 HELICOPTER, mounting_opening_shape_style: UNTHREADED HOLE, material_document_and_classification: SS9612-008 MFR REF ALL MATERIAL RESPONSES. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-095-7136, 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
7021-90-102-3042
NSN: 5340-01-095-7136
FSC: 5340 — Hardware, Commercial
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialPLASTIC ARAMID
hole_diameter0.250 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
end_item_identificationUH-60 HELICOPTER
mounting_opening_shape_styleUNTHREADED HOLE
material_document_and_classificationSS9612-008 MFR REF ALL MATERIAL RESPONSES
NSN5340-01-095-7136
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7021-90-102-3042 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
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: SS9612-008 MFR REF ALL MATERIAL RESPONSES
•
SECURING DEVICE TYPE: THREADED FASTENER
•
MATERIAL: PLASTIC ARAMID
•
HOLE DIAMETER: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONSS9612-008 MFR REF ALL MATERIAL RESPONSES
SECURING DEVICE TYPETHREADED FASTENER
END ITEM IDENTIFICATIONUH-60 HELICOPTER
MATERIALPLASTIC ARAMID
HOLE DIAMETER0.250 INCHES NOMINAL IN
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 7021-90-102-3042?
7021-90-102-3042 is a COVER,ACCESS.
What is the NSN for 7021-90-102-3042?
7021-90-102-3042 is cataloged in the U.S. Government catalog under NSN 5340-01-095-7136. 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.