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328AS300-2 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

328AS300-2: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 6.687 INCHES NOMINAL IN, length: 28.562 INCHES NOMINAL IN, material: STEEL, hole_diameter: 0.187 INCHES NOMINAL IN, body_thickness: 0.0478 INCHES NOMINAL IN, flange_thickness: 0.0478 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-288-9474, 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
328AS300-2
NSN: 5340-01-288-9474
FSC: 5340 — Hardware, Commercial
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
width6.687 INCHES NOMINAL IN
length28.562 INCHES NOMINAL IN
materialSTEEL
hole_diameter0.187 INCHES NOMINAL IN
body_thickness0.0478 INCHES NOMINAL IN
flange_thickness0.0478 INCHES NOMINAL IN
special_featuresCOLOR YELLOW
surface_treatmentPLASTIC EPOXY AND PLASTIC POLYTETRAFLUOROETHYLENE
securing_device_typeSPECIAL
peripheral_shape_styleRECTANGLE, NO HOLES
first_recess_inside_height4.375 INCHES NOMINAL IN
cross-sectional_shape_styleRECESS, SAME SHAPE AS THE PERIPHERY
NSN5340-01-288-9474
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 328AS300-2 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: 28.562 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-22750 MIL SPEC SINGLE TREATMENT RESPONSE
•
FLANGE THICKNESS: 0.0478 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 4.375 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECESS, SAME SHAPE AS THE PERIPHERY
•
SECURING DEVICE TYPE: SPECIAL
TECHNICAL CHARACTERISTICS
LENGTH28.562 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-22750 MIL SPEC SINGLE TREATMENT RESPONSE
FLANGE THICKNESS0.0478 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT4.375 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECESS, SAME SHAPE AS THE PERIPHERY
SECURING DEVICE TYPESPECIAL
SPECIAL FEATURESCOLOR YELLOW
SURFACE TREATMENTPLASTIC EPOXY AND PLASTIC POLYTETRAFLUOROETHYLENE
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 328AS300-2?
328AS300-2 is a COVER,ACCESS.
What is the NSN for 328AS300-2?
328AS300-2 is cataloged in the U.S. Government catalog under NSN 5340-01-288-9474. This indicates validated use in U.S. government and defense supply chains.
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