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134C428H01 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

134C428H01: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 5052, body_thickness: 0.125 INCHES NOMINAL IN, outside_diameter: 7.500 INCHES NOMINAL IN, securing_device_type: SPECIAL, peripheral_shape_style: ROUND, MULTI HOLES, cross-sectional_shape_style: FLAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-181-8127, 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
134C428H01
NSN: 5340-01-181-8127
FSC: 5340 — Hardware, Commercial
CAGE: 48306 — NORTHROP GRUMMAN SUPPORT SERVICES CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 5052
body_thickness0.125 INCHES NOMINAL IN
outside_diameter7.500 INCHES NOMINAL IN
securing_device_typeSPECIAL
peripheral_shape_styleROUND, MULTI HOLES
bolt_circle_hole_quantity8
cross-sectional_shape_styleFLAT
material_document_and_classificationQQ-A-318 TEMP H32 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-181-8127
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 134C428H01 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
•
BOLT CIRCLE HOLE QUANTITY: 8
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-318 TEMP H32 FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
OUTSIDE DIAMETER: 7.500 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: SPECIAL
•
PERIPHERAL SHAPE STYLE: ROUND, MULTI HOLES
•
MATERIAL: ALUMINUM ALLOY 5052
•
BODY THICKNESS: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BOLT CIRCLE HOLE QUANTITY8
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-318 TEMP H32 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT
OUTSIDE DIAMETER7.500 INCHES NOMINAL IN
SECURING DEVICE TYPESPECIAL
PERIPHERAL SHAPE STYLEROUND, MULTI HOLES
MATERIALALUMINUM ALLOY 5052
BODY THICKNESS0.125 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 134C428H01?
134C428H01 is a COVER,ACCESS.
What is the NSN for 134C428H01?
134C428H01 is cataloged in the U.S. Government catalog under NSN 5340-01-181-8127. 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.