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6000-635-3 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6000-635-3: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include shape: CIRCULAR, inside_diameter: 23.000 INCHES NOMINAL IN, outside_diameter: 26.000 INCHES NOMINAL IN, special_features: 2 PIECES:1 IS 21.13 INCHES LONG, 1 IS 19.63 INCHES LONG IN, securing_device_type: NONSPECIFIC, end_item_identification: 4540-017003089. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-724-6265, 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
6000-635-3
NSN: 5340-01-724-6265
FSC: 5340 — Hardware, Commercial
CAGE: 6TRS0 — FIT TIGHT COVERS COMPANY, INC. (USA)
SPECIFICATIONS
shapeCIRCULAR
inside_diameter23.000 INCHES NOMINAL IN
outside_diameter26.000 INCHES NOMINAL IN
special_features2 PIECES:1 IS 21.13 INCHES LONG, 1 IS 19.63 INCHES LONG IN
securing_device_typeNONSPECIFIC
end_item_identification4540-017003089
part_name_assigned_by_controlling_agencyCOVER INSULATION, SECONDARY BREECH
NSN5340-01-724-6265
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6000-635-3 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
•
SHAPE: CIRCULAR
•
OUTSIDE DIAMETER: 26.000 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: NONSPECIFIC
•
INSIDE DIAMETER: 23.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHAPECIRCULAR
OUTSIDE DIAMETER26.000 INCHES NOMINAL IN
SECURING DEVICE TYPENONSPECIFIC
INSIDE DIAMETER23.000 INCHES NOMINAL IN
SPECIAL FEATURES2 PIECES:1 IS 21.13 INCHES LONG, 1 IS 19.63 INCHES LONG IN
PART NAME ASSIGNED BY CONTROLLING AGENCYCOVER INSULATION, SECONDARY BREECH
END ITEM IDENTIFICATION4540-017003089
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
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6000-635-3?
6000-635-3 is a COVER,ACCESS.
What is the NSN for 6000-635-3?
6000-635-3 is cataloged in the U.S. Government catalog under NSN 5340-01-724-6265. 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.