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128ABM66015-11 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

128ABM66015-11: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 3.250 INCHES NOMINAL IN, length: 3.500 INCHES NOMINAL IN, material: ALUMINUM ALLOY 7075, ear_radius: 0.310 INCHES NOMINAL IN, corner_radius: 0.310 INCHES NOMINAL IN, hole_diameter: 0.127 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-258-9194, 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
128ABM66015-11
NSN: 5340-01-258-9194
FSC: 5340 — Hardware, Commercial
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
width3.250 INCHES NOMINAL IN
length3.500 INCHES NOMINAL IN
materialALUMINUM ALLOY 7075
ear_radius0.310 INCHES NOMINAL IN
corner_radius0.310 INCHES NOMINAL IN
hole_diameter0.127 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
body_thickness0.094 INCHES NOMINAL IN
special_featuresTRIANGULAR PROJECTION ONE FACE CANTED 25.0 DEG FROM PERPEDICULAR PLANE; EIGHT IRREGULARLY SPACED MTG HOLES
surface_treatmentLACQUER ACRYLIC
securing_device_typeSPECIAL
hole_quantity_along_width5
hole_quantity_along_length4
NSN5340-01-258-9194
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 128ABM66015-11 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
•
CORNER RADIUS: 0.310 INCHES NOMINAL IN
•
LENGTH: 3.500 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-L-81352 MIL SPEC SINGLE TREATMENT RESPONSE
•
HOLE QUANTITY ALONG LENGTH: 4
•
EAR RADIUS: 0.310 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/9,T7351 FED SPEC SINGLE MATERIAL RESPONSE
•
SECURING DEVICE TYPE: SPECIAL
TECHNICAL CHARACTERISTICS
CORNER RADIUS0.310 INCHES NOMINAL IN
LENGTH3.500 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-L-81352 MIL SPEC SINGLE TREATMENT RESPONSE
HOLE QUANTITY ALONG LENGTH4
EAR RADIUS0.310 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/9,T7351 FED SPEC SINGLE MATERIAL RESPONSE
SECURING DEVICE TYPESPECIAL
HOLE QUANTITY ALONG WIDTH5
SPECIAL FEATURESTRIANGULAR PROJECTION ONE FACE CANTED 25.0 DEG FROM PERPEDICULAR PLANE; EIGHT IRREGULARLY SPACED MTG HOLES
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)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 128ABM66015-11?
128ABM66015-11 is a COVER,ACCESS.
What is the NSN for 128ABM66015-11?
128ABM66015-11 is cataloged in the U.S. Government catalog under NSN 5340-01-258-9194. 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.