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912E0431 — CLAMP,SYNCHRO

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

912E0431: CLAMP,SYNCHRO.

The CLAMP,SYNCHRO is a the manufacturer industrial component. Key specifications include width: 0.498 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, height: 0.328 INCHES NOMINAL IN, material: COPPER ALLOY 954, effective_height: 0.240 INCHES NOMINAL IN, material_document_and_classification: QQ-C-390, TY 3 FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-385-4675, 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
912E0431
NSN: 5340-01-385-4675
FSC: 5340 — Hardware, Commercial
CAGE: 56672 — SYN-TECH SYSTEM, INC. (USA)
SPECIFICATIONS
width0.498 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
height0.328 INCHES NOMINAL IN
materialCOPPER ALLOY 954
effective_height0.240 INCHES NOMINAL IN
special_features2 MOUNTING HOLES 0.203 THRU 0.420 BY 82 DEGREES; 1.045 IN. TO1.049 IN. CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES IN
material_document_and_classificationQQ-C-390, TY 3 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-385-4675
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 912E0431 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390, TY 3 FED SPEC SINGLE MATERIAL RESPONSE
•
EFFECTIVE HEIGHT: 0.240 INCHES NOMINAL IN
•
HEIGHT: 0.328 INCHES NOMINAL IN
•
WIDTH: 0.498 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY 954
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390, TY 3 FED SPEC SINGLE MATERIAL RESPONSE
EFFECTIVE HEIGHT0.240 INCHES NOMINAL IN
HEIGHT0.328 INCHES NOMINAL IN
SPECIAL FEATURES2 MOUNTING HOLES 0.203 THRU 0.420 BY 82 DEGREES; 1.045 IN. TO1.049 IN. CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES IN
WIDTH0.498 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY 954
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 912E0431?
912E0431 is a CLAMP,SYNCHRO.
What is the NSN for 912E0431?
912E0431 is cataloged in the U.S. Government catalog under NSN 5340-01-385-4675. 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.