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W-1420 — SHIELD,EXPANSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

W-1420: SHIELD,EXPANSION.

The SHIELD,EXPANSION is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR, overall_length: 0.801 INCHES NOMINAL IN, thread_provision: THREADED, hole_accommodation_diameter: 0.500 INCHES NOMINAL IN, insert_type_for_which_designed: MACHINE SCREW. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-213-4662, 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
W-1420
NSN: 5340-01-213-4662
FSC: 5340 — Hardware, Commercial
CAGE: 00613 — USM CORP SUB OF EMHART INDUSTRIES INC MOLLY FASTENER DIV (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR
unit_quantity2
overall_length0.801 INCHES NOMINAL IN
thread_provisionTHREADED
hole_accommodation_diameter0.500 INCHES NOMINAL IN
insert_type_for_which_designedMACHINE SCREW
NSN5340-01-213-4662
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: W-1420 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
•
THREAD PROVISION: THREADED
•
HOLE ACCOMMODATION DIAMETER: 0.500 INCHES NOMINAL IN
•
INSERT TYPE FOR WHICH DESIGNED: MACHINE SCREW
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR
•
UNIT QUANTITY: 2
TECHNICAL CHARACTERISTICS
THREAD PROVISIONTHREADED
HOLE ACCOMMODATION DIAMETER0.500 INCHES NOMINAL IN
OVERALL LENGTH0.801 INCHES NOMINAL IN
INSERT TYPE FOR WHICH DESIGNEDMACHINE SCREW
MATERIALRUBBER CHLOROPRENE CLASS CR
UNIT QUANTITY2
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 3
5591957Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5310PL0733071Reference document
Same NSN cross-reference
Reference document — Informative reference only
5342PL0792073Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is W-1420?
W-1420 is a SHIELD,EXPANSION.
What parts can replace W-1420?
There are 3 known substitutes for W-1420: 5591957, 5310PL0733071, 5342PL0792073. Substitute compatibility should be verified for your specific system.
What is the NSN for W-1420?
W-1420 is cataloged in the U.S. Government catalog under NSN 5340-01-213-4662. This indicates validated use in U.S. government and defense supply chains.
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