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189950-1 — CLAMP,SYNCHRO

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

189950-1: CLAMP,SYNCHRO.

The CLAMP,SYNCHRO is a the manufacturer industrial component. Key specifications include width: 0.250 INCHES NOMINAL IN, height: 0.050 INCHES NOMINAL IN, length: 0.250 INCHES NOMINAL IN, material: STEEL COMP 1095, hole_diameter: 0.098 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN, furnished_items: LOCKNUT. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-480-4676, 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
189950-1
NSN: 5340-00-480-4676
FSC: 5340 — Hardware, Commercial
CAGE: 55972 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS (USA)
SPECIFICATIONS
width0.250 INCHES NOMINAL IN
height0.050 INCHES NOMINAL IN
length0.250 INCHES NOMINAL IN
materialSTEEL COMP 1095
hole_diameter0.098 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN
furnished_itemsLOCKNUT
surface_treatmentNICKEL
material_document_and_classificationMIL-S-7947,COND 1 OR 2 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-00-480-4676
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 189950-1 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
•
LENGTH: 0.250 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-7947,COND 1 OR 2 MIL SPEC SINGLE MATERIAL RESPONSE
•
HEIGHT: 0.050 INCHES NOMINAL IN
•
SURFACE TREATMENT: NICKEL
•
WIDTH: 0.250 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1095
•
FURNISHED ITEMS: LOCKNUT
•
HOLE DIAMETER: 0.098 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
LENGTH0.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7947,COND 1 OR 2 MIL SPEC SINGLE MATERIAL RESPONSE
HEIGHT0.050 INCHES NOMINAL IN
SURFACE TREATMENTNICKEL
WIDTH0.250 INCHES NOMINAL IN
MATERIALSTEEL COMP 1095
FURNISHED ITEMSLOCKNUT
HOLE DIAMETER0.098 INCHES MINIMUM AND 0.101 INCHES MAXIMUM 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 189950-1?
189950-1 is a CLAMP,SYNCHRO.
What is the NSN for 189950-1?
189950-1 is cataloged in the U.S. Government catalog under NSN 5340-00-480-4676. 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.