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Technical Data Sheet
PartsTable / COMPONENT / 1125216-1
1125216-1 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The CLAMP,SYNCHRO is a the manufacturer industrial component. Key specifications include width: 0.250 INCHES NOMINAL IN, height: 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN, length: 0.276 INCHES NOMINAL IN, material: STEEL COMP 303, hole_diameter: 0.128 INCHES NOMINAL IN, furnished_items: LOCKNUT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-132-3979, 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
1125216-1
NSN: 5340-00-132-3979
FSC: 5340
CAGE: 94117 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. DBA BAE SYSTEMS (USA)
SPECIFICATIONS
width0.250 INCHES NOMINAL IN
height0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
length0.276 INCHES NOMINAL IN
materialSTEEL COMP 303
hole_diameter0.128 INCHES NOMINAL IN
furnished_itemsLOCKNUT
surface_treatmentPASSIVATE
NSN5340-00-132-3979
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1125216-1 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
•
HEIGHT: 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
•
LENGTH: 0.276 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 303
•
SURFACE TREATMENT: PASSIVATE
•
FURNISHED ITEMS: LOCKNUT
•
HOLE DIAMETER: 0.128 INCHES NOMINAL IN
•
WIDTH: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HEIGHT0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
LENGTH0.276 INCHES NOMINAL IN
MATERIALSTEEL COMP 303
SURFACE TREATMENTPASSIVATE
FURNISHED ITEMSLOCKNUT
HOLE DIAMETER0.128 INCHES NOMINAL IN
WIDTH0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
252143Interchangeable
interchangeable cross-reference
interchangeable
YC6-2SInterchangeable
interchangeable cross-reference
interchangeable
C2Interchangeable
interchangeable cross-reference
interchangeable
CC-10Interchangeable
interchangeable cross-reference
interchangeable
MIL-R-24005Interchangeable
interchangeable cross-reference
interchangeable
1CC10PInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1125216-1?
1125216-1 is a CLAMP,SYNCHRO.
What parts can replace 1125216-1?
There are 8 known substitutes for 1125216-1: 252143, YC6-2S, C2 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1125216-1?
1125216-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-132-3979. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026