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HC366SS — CATCH,CLAMPING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

HC366SS: CATCH,CLAMPING.

The CATCH,CLAMPING is a the manufacturer industrial component. Key specifications include width: 0.719 INCHES NOMINAL IN, height: 0.188 INCHES NOMINAL IN, material: STEEL COMP 302 OVERALL, catch_width: 1.188 INCHES NOMINAL IN, design_type: CLAW ENGAGING, tongue_width: 0.937 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-494-2831, 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
HC366SS
NSN: 5340-00-494-2831
FSC: 5340 — Hardware, Commercial
CAGE: 98003 — NIELSEN HARDWARE CORP (USA)
SPECIFICATIONS
width0.719 INCHES NOMINAL IN
height0.188 INCHES NOMINAL IN
materialSTEEL COMP 302 OVERALL
catch_width1.188 INCHES NOMINAL IN
design_typeCLAW ENGAGING
tongue_width0.937 INCHES NOMINAL IN
hole_diameter0.130 INCHES NOMINAL IN
hole_quantity2
overall_height0.922 INCHES NOMINAL IN
overall_length1.437 INCHES NOMINAL IN
wing_nut_width1.562 INCHES NOMINAL IN
operation_methodWING NUT
NSN5340-00-494-2831
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: HC366SS 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
•
SURFACE HOLE QUANTITY: 2
•
TONGUE WIDTH: 0.937 INCHES NOMINAL IN
•
DESIGN TYPE: CLAW ENGAGING
•
MATERIAL THICKNESS: 0.062 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SPECIAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CATCH STRIKE STYLE: MORTISE
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.922 INCHES NOMINAL IN
SURFACE HOLE QUANTITY2
TONGUE WIDTH0.937 INCHES NOMINAL IN
DESIGN TYPECLAW ENGAGING
MATERIAL THICKNESS0.062 INCHES NOMINAL IN
STYLE DESIGNATORSPECIAL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CATCH STRIKE STYLEMORTISE
OVERALL LENGTH1.437 INCHES NOMINAL IN
WING NUT WIDTH1.562 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 1
HC365SSReference 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 HC366SS?
HC366SS is a CATCH,CLAMPING.
What parts can replace HC366SS?
There is 1 known substitute for HC366SS: HC365SS. Substitute compatibility should be verified for your specific system.
What is the NSN for HC366SS?
HC366SS is cataloged in the U.S. Government catalog under NSN 5340-00-494-2831. 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.