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8318A — CATCH,CLAMPING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8318A: CATCH,CLAMPING.

The CATCH,CLAMPING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, overall_width: 1.125 INCHES NOMINAL IN, overall_height: 0.406 INCHES NOMINAL IN, style_designator: LEVER. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-374-5437, 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
8318A
NSN: 5340-01-374-5437
FSC: 5340 — Hardware, Commercial
CAGE: 10741 — CARLISLE & FINCH CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
hole_quantity2
overall_width1.125 INCHES NOMINAL IN
overall_height0.406 INCHES NOMINAL IN
style_designatorLEVER
NSN5340-01-374-5437
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8318A 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
•
STYLE DESIGNATOR: LEVER
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
HOLE QUANTITY: 2
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.406 INCHES NOMINAL IN
STYLE DESIGNATORLEVER
OVERALL WIDTH1.125 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
HOLE QUANTITY2
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 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
HC83314-2-SS302Reference document
Same NSN cross-reference
Reference document — Secondary reference
HC83314-2SS-MSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 8318A?
8318A is a CATCH,CLAMPING.
What parts can replace 8318A?
There are 2 known substitutes for 8318A: HC83314-2-SS302, HC83314-2SS-M. Substitute compatibility should be verified for your specific system.
What is the NSN for 8318A?
8318A is cataloged in the U.S. Government catalog under NSN 5340-01-374-5437. 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.