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P4078994 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

P4078994: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: PLASTIC, hole_diameter: 0.221 INCHES NOMINAL AND 0.250 INCHES NOMINAL IN, body_thickness: 0.380 INCHES NOMINAL IN, cross-sectional_shape_style: FLAT, mounting_opening_shape_style: UNTHREADED HOLE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-473-4535, 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
P4078994
NSN: 5340-01-473-4535
FSC: 5340 — Hardware, Commercial
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialPLASTIC
hole_diameter0.221 INCHES NOMINAL AND 0.250 INCHES NOMINAL IN
body_thickness0.380 INCHES NOMINAL IN
special_featuresHOLES ARE IN STRAIGHT LINE 0.330 FROM TOP OF COVER; FIRST TWO HOLES ARE 0.650 APART, SECOND AND THIRD HOLES ARE 0.640 APART, THIRD AND FOURTH HOLES ARE 1.30 APART
hole_quantity_along_width6
cross-sectional_shape_styleFLAT
mounting_opening_shape_styleUNTHREADED HOLE
NSN5340-01-473-4535
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: P4078994 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
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
HOLE QUANTITY ALONG WIDTH: 6
•
MATERIAL: PLASTIC
•
HOLE DIAMETER: 0.221 INCHES NOMINAL AND 0.250 INCHES NOMINAL IN
•
BODY THICKNESS: 0.380 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLEFLAT
HOLE QUANTITY ALONG WIDTH6
SPECIAL FEATURESHOLES ARE IN STRAIGHT LINE 0.330 FROM TOP OF COVER; FIRST TWO HOLES ARE 0.650 APART, SECOND AND THIRD HOLES ARE 0.640 APART, THIRD AND FOURTH HOLES ARE 1.30 APART
MATERIALPLASTIC
HOLE DIAMETER0.221 INCHES NOMINAL AND 0.250 INCHES NOMINAL IN
BODY THICKNESS0.380 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
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is P4078994?
P4078994 is a COVER,ACCESS.
What is the NSN for P4078994?
P4078994 is cataloged in the U.S. Government catalog under NSN 5340-01-473-4535. This indicates validated use in U.S. government and defense supply chains.
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