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Technical Data Sheet
148VM ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: COPPER ALLOY, reference_number_differentiating_characteristics: NON MAGNETIC PERMEABILITY OF 2.0 PCT OR LESS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-218-6948, 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
148VM
NSN: 5340-01-218-6948
FSC: 5340
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialCOPPER ALLOY
reference_number_differentiating_characteristicsNON MAGNETIC PERMEABILITY OF 2.0 PCT OR LESS
NSN5340-01-218-6948
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 148VM 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
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: NON MAGNETIC PERMEABILITY OF 2.0 PCT OR LESS
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSNON MAGNETIC PERMEABILITY OF 2.0 PCT OR LESS
MATERIALCOPPER ALLOY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
SK32-1530AUpgraded Successor
successor cross-reference
successor
25-4005Upgraded Successor
successor cross-reference
successor
5867321530Upgraded Successor
successor cross-reference
successor
14-8Upgraded Successor
successor cross-reference
successor
5-14-514-8Upgraded Successor
successor cross-reference
successor
N16R29154-6381Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 148VM?
148VM is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace 148VM?
There are 17 known substitutes for 148VM: SK32-1530A, 25-4005, 5867321530 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 148VM?
148VM is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-218-6948. This indicates validated use in U.S. government and defense supply chains.
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