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Technical Data Sheet
PartsTable / COMPONENT / X4
X4 ✓ 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

SOCKET ASSEMBLY,PLUG-IN ELECTRON. Key specifications include diameter: 0.137 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN, material: RUBBER NEOPRENE OVERALL, overall_width: 0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN, special_features: BODY END BORE COUNTERSUNK 25.0 DEG BY 0.075 IN. IN, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-146-4908, 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
X4
NSN: 5330-00-146-4908
FSC: 5330
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
diameter0.137 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN
materialRUBBER NEOPRENE OVERALL
overall_width0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
special_featuresBODY END BORE COUNTERSUNK 25.0 DEG BY 0.075 IN. IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
attachment_methodROUND HOLE
rim_surface_width0.258 INCHES NOMINAL IN
material_thickness0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
peripheral_diameter3.295 INCHES NOMINAL IN
center_hole_diameter1.250 INCHES NOMINAL IN
loop_inside_diameter0.330 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
NSN5330-00-146-4908
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: X4 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: COPPER ALLOY OVERALL
•
PERIPHERAL DIAMETER: 3.295 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.140 INCHES NOMINAL IN
•
ATTACHMENT METHOD: ROUND HOLE
•
ATTACHMENT HOLE DIAMETER: 0.435 INCHES NOMINAL IN
•
ATTACHMENT FEATURE QUANTITY: 2
•
CROSS-SECTIONAL SHAPE STYLE: FLANGE
•
RIM SURFACE WIDTH: 0.258 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY OVERALL
PERIPHERAL DIAMETER3.295 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.140 INCHES NOMINAL IN
ATTACHMENT METHODROUND HOLE
ATTACHMENT HOLE DIAMETER0.435 INCHES NOMINAL IN
ATTACHMENT FEATURE QUANTITY2
CROSS-SECTIONAL SHAPE STYLEFLANGE
RIM SURFACE WIDTH0.258 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.250 INCHES NOMINAL IN
SPECIAL FEATURESBODY END BORE COUNTERSUNK 25.0 DEG BY 0.075 IN. IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
702-132-031-007Interchangeable
interchangeable cross-reference
interchangeable
132-031GInterchangeable
interchangeable cross-reference
interchangeable
X4Interchangeable
interchangeable cross-reference
interchangeable
G1-1010-18Interchangeable
interchangeable cross-reference
interchangeable
X277 (18373-8)Interchangeable
interchangeable cross-reference
interchangeable
18372Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is X4?
X4 is a SOCKET ASSEMBLY,PLUG-IN ELECTRON.
What parts can replace X4?
There are 7 known substitutes for X4: 702-132-031-007, 132-031G, X4 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for X4?
X4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-146-4908. 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