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56C09 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

56C09: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include length: 1.380 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING, ear_radius: 0.190 INCHES NOMINAL IN, body_radius: 1.000 INCHES NOMINAL IN, hole_diameter: 0.177 INCHES NOMINAL IN, inverted_radius: 0.090 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-787-3328, 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
56C09
NSN: 5340-00-787-3328
FSC: 5340 — Hardware, Commercial
CAGE: 72914 — GRIMES AEROSPACE COMPANY (USA)
SPECIFICATIONS
length1.380 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING
ear_radius0.190 INCHES NOMINAL IN
body_radius1.000 INCHES NOMINAL IN
hole_diameter0.177 INCHES NOMINAL IN
inverted_radius0.090 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleROUND, TWO EARS AND HOLES
mounting_opening_shape_styleUNTHREADED HOLE
distance_between_holes_along_length1.000 INCHES NOMINAL IN
distance_from_first_hole_centerline_to_end_along_length0.190 INCHES NOMINAL IN
NSN5340-00-787-3328
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 56C09 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
•
LENGTH: 1.380 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 1.000 INCHES NOMINAL IN
•
EAR RADIUS: 0.190 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
INVERTED RADIUS: 0.090 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: THREADED FASTENER
•
BODY RADIUS: 1.000 INCHES NOMINAL IN
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH: 0.190 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH1.380 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH1.000 INCHES NOMINAL IN
EAR RADIUS0.190 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
INVERTED RADIUS0.090 INCHES NOMINAL IN
SECURING DEVICE TYPETHREADED FASTENER
BODY RADIUS1.000 INCHES NOMINAL IN
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.190 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND, TWO EARS AND HOLES
MATERIALSTEEL CORROSION RESISTING
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 56C09?
56C09 is a COVER,ACCESS.
What is the NSN for 56C09?
56C09 is cataloged in the U.S. Government catalog under NSN 5340-00-787-3328. 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.