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120-3410-1 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

120-3410-1: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024, hole_diameter: 0.280 INCHES NOMINAL IN, body_thickness: 0.250 INCHES NOMINAL IN, outside_diameter: 2.180 INCHES NOMINAL IN, surface_treatment: ANODIZE, fsc_application_data: PROBE PORT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-267-1546, 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
120-3410-1
NSN: 5340-01-267-1546
FSC: 5340 — Hardware, Commercial
CAGE: 09552 — ATEC INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024
hole_diameter0.280 INCHES NOMINAL IN
body_thickness0.250 INCHES NOMINAL IN
outside_diameter2.180 INCHES NOMINAL IN
surface_treatmentANODIZE
fsc_application_dataPROBE PORT
securing_device_typeSPECIAL
peripheral_shape_styleROUND, MULTI HOLES
end_item_identificationP/N 120-3404-2;F100/220 ENGINE
hole_quantity_along_length2
cross-sectional_shape_styleFLAT
mounting_opening_shape_styleUNTHREADED HOLE
NSN5340-01-267-1546
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 120-3410-1 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: PROBE PORT
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TYPE II,CL I MIL SPEC SINGLE TREATMENT RESPONSE
•
HOLE QUANTITY ALONG LENGTH: 2
•
DISTANCE BETWEEN HOLE CENTERS: 1.320 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
OUTSIDE DIAMETER: 2.180 INCHES NOMINAL IN
•
BOLT HOLE CENTERLINE TO NEAREST EDGE DISTANCE: 0.430 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAPROBE PORT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE II,CL I MIL SPEC SINGLE TREATMENT RESPONSE
HOLE QUANTITY ALONG LENGTH2
DISTANCE BETWEEN HOLE CENTERS1.320 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLEFLAT
OUTSIDE DIAMETER2.180 INCHES NOMINAL IN
BOLT HOLE CENTERLINE TO NEAREST EDGE DISTANCE0.430 INCHES NOMINAL IN
SECURING DEVICE TYPESPECIAL
SURFACE TREATMENTANODIZE
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 120-3410-1?
120-3410-1 is a COVER,ACCESS.
What is the NSN for 120-3410-1?
120-3410-1 is cataloged in the U.S. Government catalog under NSN 5340-01-267-1546. 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.