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ES3179-203 — STRIKE,CATCH

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ES3179-203: STRIKE,CATCH.

The STRIKE,CATCH is a the manufacturer industrial component. Key specifications include material: UNABLE TO DECODE, tongue_width: 0.9375 INCHES NOMINAL IN, overall_width: 0.7656 INCHES NOMINAL IN, overall_length: 1.4375 INCHES NOMINAL IN, style_designator: MORTISE, surface_treatment: UNABLE TO DECODE. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-003-1704, 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
ES3179-203
NSN: 5340-00-003-1704
FSC: 5340 — Hardware, Commercial
CAGE: 20418 — DRS SUSTAINMENT SYSTEMS, INC. (USA)
SPECIFICATIONS
materialUNABLE TO DECODE
tongue_width0.9375 INCHES NOMINAL IN
hole_quantity2
overall_width0.7656 INCHES NOMINAL IN
overall_length1.4375 INCHES NOMINAL IN
style_designatorMORTISE
surface_treatmentUNABLE TO DECODE
material_thickness0.0620 INCHES NOMINAL IN
mounting_hole_diameter0.1300 INCHES NOMINAL IN
surface_treatment_document_and_classificationUNABLE TO DECODE
NSN5340-00-003-1704
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ES3179-203 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
•
TONGUE WIDTH: 0.9375 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
•
STYLE DESIGNATOR: MORTISE
•
MOUNTING HOLE DIAMETER: 0.1300 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.0620 INCHES NOMINAL IN
•
SURFACE TREATMENT: UNABLE TO DECODE
TECHNICAL CHARACTERISTICS
TONGUE WIDTH0.9375 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
STYLE DESIGNATORMORTISE
MOUNTING HOLE DIAMETER0.1300 INCHES NOMINAL IN
OVERALL LENGTH1.4375 INCHES NOMINAL IN
OVERALL WIDTH0.7656 INCHES NOMINAL IN
MATERIAL THICKNESS0.0620 INCHES NOMINAL IN
SURFACE TREATMENTUNABLE TO DECODE
MATERIALUNABLE TO DECODE
HOLE QUANTITY2
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-003-0832 5340-00-003-1792 5340-00-003-1794 5340-00-003-1909 5340-00-003-5082 5340-00-003-5083 5340-00-003-5434 5340-00-003-5993
SUBSTITUTES & CROSS-REFERENCES 3
HS360SSReference document
Same NSN cross-reference
Reference document — Design control — primary reference
483720-2Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
B1900&335Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 ES3179-203?
ES3179-203 is a STRIKE,CATCH.
What parts can replace ES3179-203?
There are 3 known substitutes for ES3179-203: HS360SS, 483720-2, B1900&335. Substitute compatibility should be verified for your specific system.
What is the NSN for ES3179-203?
ES3179-203 is cataloged in the U.S. Government catalog under NSN 5340-00-003-1704. 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.