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157740-2 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

157740-2: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, body_thickness: 0.500 INCHES NOMINAL IN, outside_diameter: 32.000 INCHES NOMINAL IN, end_item_identification: LIDGERW00D MFG CO MODEL LC-40 CAPSTAN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-212-7559, 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
157740-2
NSN: 5340-01-212-7559
FSC: 5340 — Hardware, Commercial
CAGE: 05340 — LIDGERWOOD MANUFACTURING COMPANY DBA LIDGERWOOD MANUFACTURING CO DIV LIDGERWOOD MANUFACURING CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY
body_thickness0.500 INCHES NOMINAL IN
outside_diameter32.000 INCHES NOMINAL IN
end_item_identificationLIDGERW00D MFG CO MODEL LC-40 CAPSTAN
NSN5340-01-212-7559
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 157740-2 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
•
OUTSIDE DIAMETER: 32.000 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
•
BODY THICKNESS: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER32.000 INCHES NOMINAL IN
END ITEM IDENTIFICATIONLIDGERW00D MFG CO MODEL LC-40 CAPSTAN
MATERIALCOPPER ALLOY
BODY THICKNESS0.500 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 157740-2?
157740-2 is a COVER,ACCESS.
What is the NSN for 157740-2?
157740-2 is cataloged in the U.S. Government catalog under NSN 5340-01-212-7559. This indicates validated use in U.S. government and defense supply chains.
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