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C1900-218 — CATCH,CLAMPING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

C1900-218: CATCH,CLAMPING.

The CATCH,CLAMPING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1020 BASE, catch_width: 1.594 INCHES NOMINAL IN, design_type: CLAW ENGAGING, hole_diameter: 0.194 INCHES NOMINAL IN, overall_height: 0.844 INCHES NOMINAL IN, overall_length: 3.406 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-571-0056, 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
C1900-218
NSN: 5340-00-571-0056
FSC: 5340 — Hardware, Commercial
CAGE: 82240 — SIMMONS FASTENER CORP AN AMFAST CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 1020 BASE
catch_width1.594 INCHES NOMINAL IN
design_typeCLAW ENGAGING
hole_diameter0.194 INCHES NOMINAL IN
hole_quantity7
overall_height0.844 INCHES NOMINAL IN
overall_length3.406 INCHES NOMINAL IN
wing_nut_width2.750 INCHES NOMINAL IN
operation_methodLATCH
style_designatorSPECIAL
surface_treatmentCADMIUM AND CHROMATE CLAW
engaging_surface_width0.875 INCHES NOMINAL IN
NSN5340-00-571-0056
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C1900-218 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 TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 2 FED SPEC ALL TREATMENT RESPONSES CLAW
•
DESIGN TYPE: CLAW ENGAGING
•
ENGAGING SURFACE WIDTH: 0.875 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SPECIAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE BASE
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.844 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 2 FED SPEC ALL TREATMENT RESPONSES CLAW
DESIGN TYPECLAW ENGAGING
ENGAGING SURFACE WIDTH0.875 INCHES NOMINAL IN
STYLE DESIGNATORSPECIAL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE BASE
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE CATCH
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE CLAW
OVERALL LENGTH3.406 INCHES NOMINAL IN
WING NUT WIDTH2.750 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

No substitute or cross-reference records for this part.

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 C1900-218?
C1900-218 is a CATCH,CLAMPING.
What is the NSN for C1900-218?
C1900-218 is cataloged in the U.S. Government catalog under NSN 5340-00-571-0056. 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.