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C01124-3 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

C01124-3: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 2.270 INCHES MINIMUM AND 2.290 INCHES MAXIMUM IN, length: 7.000 INCHES NOMINAL IN, material: COPPER ALLOY 268, hole_diameter: 0.110 INCHES NOMINAL IN, body_thickness: 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN, surface_treatment: NICKEL. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-185-7859, 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
C01124-3
NSN: 5340-00-185-7859
FSC: 5340 — Hardware, Commercial
CAGE: 00136 — MICROSEMI CORP. - HIGH PERFORMANCE TIMING DBA VECTRON INTERNATIONAL- CANCELLED (USA)
SPECIFICATIONS
width2.270 INCHES MINIMUM AND 2.290 INCHES MAXIMUM IN
length7.000 INCHES NOMINAL IN
materialCOPPER ALLOY 268
hole_diameter0.110 INCHES NOMINAL IN
body_thickness0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
surface_treatmentNICKEL
peripheral_shape_styleBAND TYPE
cross-sectional_shape_styleFLAT
mounting_opening_shape_styleUNTHREADED HOLE
material_document_and_classificationQQ-B-613,COMP 1,HALF HARD FED SPEC SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classification171,1.4.1.5 MIL STD SINGLE TREATMENT RESPONSE
NSN5340-00-185-7859
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C01124-3 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
•
LENGTH: 7.000 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 171,1.4.1.5 MIL STD SINGLE TREATMENT RESPONSE
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-613,COMP 1,HALF HARD FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
SURFACE TREATMENT: NICKEL
•
PERIPHERAL SHAPE STYLE: BAND TYPE
•
WIDTH: 2.270 INCHES MINIMUM AND 2.290 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
LENGTH7.000 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION171,1.4.1.5 MIL STD SINGLE TREATMENT RESPONSE
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-613,COMP 1,HALF HARD FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT
SURFACE TREATMENTNICKEL
PERIPHERAL SHAPE STYLEBAND TYPE
WIDTH2.270 INCHES MINIMUM AND 2.290 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY 268
HOLE DIAMETER0.110 INCHES NOMINAL 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 1
11156126Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C01124-3?
C01124-3 is a COVER,ACCESS.
What parts can replace C01124-3?
There is 1 known substitute for C01124-3: 11156126. Substitute compatibility should be verified for your specific system.
What is the NSN for C01124-3?
C01124-3 is cataloged in the U.S. Government catalog under NSN 5340-00-185-7859. 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.