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205-030-953-25A — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

205-030-953-25A: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 10.830 INCHES NOMINAL IN, length: 27.740 INCHES NOMINAL IN, material: ALUMINUM ALLOY 2024, hole_diameter: 0.208 INCHES MINIMUM AND 0.214 INCHES MAXIMUM IN, fsc_application_data: FUSELAGE ACFT, securing_device_type: THREADED FASTENER. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-208-2977, 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
205-030-953-25A
NSN: 5340-01-208-2977
FSC: 5340 — Hardware, Commercial
CAGE: 97499 — BELL TEXTRON INC (USA)
SPECIFICATIONS
width10.830 INCHES NOMINAL IN
length27.740 INCHES NOMINAL IN
materialALUMINUM ALLOY 2024
hole_diameter0.208 INCHES MINIMUM AND 0.214 INCHES MAXIMUM IN
fsc_application_dataFUSELAGE ACFT
securing_device_typeTHREADED FASTENER
peripheral_shape_styleRECTANGLE, NO HOLES
end_item_identification1520-00-859-2670 HELICOPTER UTILITY,BELL UH-1D
cross-sectional_shape_styleSQUARE OR RECTANGULAR RECESS
mounting_opening_shape_styleUNTHREADED HOLE
NSN5340-01-208-2977
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 205-030-953-25A 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
•
FSC APPLICATION DATA: FUSELAGE ACFT
•
LENGTH: 27.740 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE OR RECTANGULAR RECESS
•
SECURING DEVICE TYPE: THREADED FASTENER
•
PERIPHERAL SHAPE STYLE: RECTANGLE, NO HOLES
•
WIDTH: 10.830 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAFUSELAGE ACFT
LENGTH27.740 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLESQUARE OR RECTANGULAR RECESS
SECURING DEVICE TYPETHREADED FASTENER
PERIPHERAL SHAPE STYLERECTANGLE, NO HOLES
WIDTH10.830 INCHES NOMINAL IN
END ITEM IDENTIFICATION1520-00-859-2670 HELICOPTER UTILITY,BELL UH-1D
MATERIALALUMINUM ALLOY 2024
HOLE DIAMETER0.208 INCHES MINIMUM AND 0.214 INCHES MAXIMUM 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 — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 205-030-953-25A?
205-030-953-25A is a COVER,ACCESS.
What is the NSN for 205-030-953-25A?
205-030-953-25A is cataloged in the U.S. Government catalog under NSN 5340-01-208-2977. 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.