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5267868 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5267868: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 4.250 INCHES NOMINAL IN, length: 4.250 INCHES NOMINAL IN, material: ALUMINUM ALLOY, corner_radius: 0.310 INCHES NOMINAL IN, hole_diameter: 0.281 INCHES NOMINAL IN, body_thickness: 0.480 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-357-1795, 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
5267868
NSN: 5340-01-357-1795
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
width4.250 INCHES NOMINAL IN
length4.250 INCHES NOMINAL IN
materialALUMINUM ALLOY
corner_radius0.310 INCHES NOMINAL IN
hole_diameter0.281 INCHES NOMINAL IN
body_thickness0.480 INCHES NOMINAL IN
inside_diameter3.528 INCHES MINIMUM AND 3.538 INCHES MAXIMUM IN
flange_thickness0.310 INCHES NOMINAL IN
features_providedSPECIAL MARKING
surface_treatmentPLASTIC POLYAMIDE AND PLASTIC EPOXY
inside_corner_radius0.250 INCHES NOMINAL IN
securing_device_typeSPECIAL
NSN5340-01-357-1795
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5267868 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
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH: 0.312 INCHES NOMINAL IN
•
CORNER RADIUS: 0.310 INCHES NOMINAL IN
•
LENGTH: 4.250 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-22750 MIL SPEC SINGLE TREATMENT RESPONSE AND MIL-C-22751 MIL SPEC SINGLE TREATMENT RESPONSE
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 3.625 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.310 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.250 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 6.340 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.312 INCHES NOMINAL IN
CORNER RADIUS0.310 INCHES NOMINAL IN
LENGTH4.250 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-22750 MIL SPEC SINGLE TREATMENT RESPONSE AND MIL-C-22751 MIL SPEC SINGLE TREATMENT RESPONSE
DISTANCE BETWEEN HOLES ALONG LENGTH3.625 INCHES NOMINAL IN
FLANGE THICKNESS0.310 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.250 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT6.340 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG WIDTH3.625 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5267868?
5267868 is a COVER,ACCESS.
What is the NSN for 5267868?
5267868 is cataloged in the U.S. Government catalog under NSN 5340-01-357-1795. 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.