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157814-1 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

157814-1: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 4.000 INCHES NOMINAL IN, length: 11.630 INCHES NOMINAL IN, material: PLASTIC POLYCARBONATE, slot_width: 0.203 INCHES NOMINAL IN, slot_length: 0.280 INCHES NOMINAL IN, body_thickness: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-521-6949, 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
157814-1
NSN: 5340-01-521-6949
FSC: 5340 — Hardware, Commercial
CAGE: 94271 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
width4.000 INCHES NOMINAL IN
length11.630 INCHES NOMINAL IN
materialPLASTIC POLYCARBONATE
slot_width0.203 INCHES NOMINAL IN
slot_length0.280 INCHES NOMINAL IN
body_thickness0.125 INCHES NOMINAL IN
flange_thickness0.125 INCHES NOMINAL IN
special_featuresCOVER HAS 2 SLOTS AT ONE END ALONG WIDTH EDGE CENTERED 2.500 INCHES APART, AND 1 UNTHREADED HOLE (DIAMETER OF 0.218 INCHES) CENTERED ON THE OPPOSITE END ALONG WIDTH EDGE; MATERIAL IS LEXAN IN
securing_device_typeSPECIAL
peripheral_shape_styleRECTANGLE, NO HOLES
end_item_identificationHX UNIQUE
first_recess_inside_height1.000 INCHES NOMINAL IN
NSN5340-01-521-6949
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 157814-1 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: 11.630 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.125 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 1.000 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: CLOSED HORIZONTAL SLOT
•
CROSS-SECTIONAL SHAPE STYLE: RECESS, SAME SHAPE AS THE PERIPHERY
•
SECURING DEVICE TYPE: SPECIAL
•
PERIPHERAL SHAPE STYLE: RECTANGLE, NO HOLES
TECHNICAL CHARACTERISTICS
LENGTH11.630 INCHES NOMINAL IN
FLANGE THICKNESS0.125 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT1.000 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLECLOSED HORIZONTAL SLOT
CROSS-SECTIONAL SHAPE STYLERECESS, SAME SHAPE AS THE PERIPHERY
SECURING DEVICE TYPESPECIAL
SPECIAL FEATURESCOVER HAS 2 SLOTS AT ONE END ALONG WIDTH EDGE CENTERED 2.500 INCHES APART, AND 1 UNTHREADED HOLE (DIAMETER OF 0.218 INCHES) CENTERED ON THE OPPOSITE END ALONG WIDTH EDGE; MATERIAL IS LEXAN IN
PERIPHERAL SHAPE STYLERECTANGLE, NO HOLES
WIDTH4.000 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYLEXAN COVER
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 157814-1?
157814-1 is a COVER,ACCESS.
What is the NSN for 157814-1?
157814-1 is cataloged in the U.S. Government catalog under NSN 5340-01-521-6949. This indicates validated use in U.S. government and defense supply chains.
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