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1620E3 — STRIKE,CATCH

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1620E3: STRIKE,CATCH.

The STRIKE,CATCH is a the manufacturer industrial component. Key specifications include height: 0.625 INCHES NOMINAL IN, material: UNABLE TO DECODE, overall_width: 2.625 INCHES NOMINAL IN, overall_length: 2.125 INCHES NOMINAL IN, first_step_length: 1.141 INCHES NOMINAL IN, mounting_facility: COUNTERSUNK HOLE. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-737-3302, 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
1620E3
NSN: 5340-00-737-3302
FSC: 5340 — Hardware, Commercial
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
height0.625 INCHES NOMINAL IN
materialUNABLE TO DECODE
overall_width2.625 INCHES NOMINAL IN
overall_length2.125 INCHES NOMINAL IN
first_step_length1.141 INCHES NOMINAL IN
mounting_facilityCOUNTERSUNK HOLE
surface_treatmentUNABLE TO DECODE
first_surface_hole_size0.281 INCHES NOMINAL IN
second_surface_hole_size0.281 INCHES NOMINAL IN
first_surface_hole_quantity1
NSN5340-00-737-3302
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1620E3 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
•
FIRST SURFACE HOLE SIZE: 0.281 INCHES NOMINAL IN
•
SECOND SURFACE HOLE SIZE: 0.281 INCHES NOMINAL IN
•
HEIGHT: 0.625 INCHES NOMINAL IN
•
FIRST STEP LENGTH: 1.141 INCHES NOMINAL IN
•
MOUNTING FACILITY: COUNTERSUNK HOLE
•
SURFACE TREATMENT: UNABLE TO DECODE
TECHNICAL CHARACTERISTICS
OVERALL LENGTH2.125 INCHES NOMINAL IN
OVERALL WIDTH2.625 INCHES NOMINAL IN
FIRST SURFACE HOLE SIZE0.281 INCHES NOMINAL IN
SECOND SURFACE HOLE SIZE0.281 INCHES NOMINAL IN
HEIGHT0.625 INCHES NOMINAL IN
FIRST STEP LENGTH1.141 INCHES NOMINAL IN
MOUNTING FACILITYCOUNTERSUNK HOLE
SURFACE TREATMENTUNABLE TO DECODE
MATERIALUNABLE TO DECODE
FIRST SURFACE HOLE QUANTITY1
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 2
508442Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5340007373302Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 1620E3?
1620E3 is a STRIKE,CATCH.
What parts can replace 1620E3?
There are 2 known substitutes for 1620E3: 508442, 5340007373302. Substitute compatibility should be verified for your specific system.
What is the NSN for 1620E3?
1620E3 is cataloged in the U.S. Government catalog under NSN 5340-00-737-3302. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.