PartsTable / COMPONENT / N120WW4
N120WW4
✓ 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
CAP-PLUG,PROTECTIVE,DUST AND MOI. Key specifications include material: PLASTIC, length_under_shoulder: 0.813 INCHES NOMINAL IN, open_end_inside_diameter: 0.356 INCHES NOMINAL IN, closed_end_overall_diameter: 0.427 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-514-2777, 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
N120WW4
NSN: 5340-00-514-2777 FSC: 5340 CAGE: F2521 — BIO-RAD (FRA)
SPECIFICATIONS
material PLASTIC length_under_shoulder 0.813 INCHES NOMINAL IN open_end_inside_diameter 0.356 INCHES NOMINAL IN closed_end_overall_diameter 0.427 INCHES NOMINAL IN NSN 5340-00-514-2777
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION
ID: —
CROSS-SECTION
CS: —
SPECIFICATION
Material: —
Durometer: —
Temp: —
PN: N120WW4
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
• CLOSED END OVERALL DIAMETER: 0.427 INCHES NOMINAL IN
• LENGTH UNDER SHOULDER: 0.813 INCHES NOMINAL IN
• OPEN END INSIDE DIAMETER: 0.356 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CLOSED END OVERALL DIAMETER 0.427 INCHES NOMINAL IN LENGTH UNDER SHOULDER 0.813 INCHES NOMINAL IN OPEN END INSIDE DIAMETER 0.356 INCHES NOMINAL IN MATERIAL PLASTIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
10-644-8-2 Upgraded Successor successor cross-reference
successor
917955-7 Upgraded Successor successor cross-reference
successor
4 Upgraded Successor successor cross-reference
successor
WW4 Interchangeable interchangeable cross-reference
interchangeable
10117383 Interchangeable Same NIIN cross-reference
interchangeable
NAS816-42 Interchangeable Same NIIN cross-reference
interchangeable
LIFECYCLE
Status CANCELLED
Availability —
RoHS Compliant EAR99 Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N120WW4?
N120WW4 is a CAP-PLUG,PROTECTIVE,DUST AND MOI.
What parts can replace N120WW4?
There are 7 known substitutes for N120WW4: 10-644-8-2, 917955-7, 4 and 4 more. Substitute compatibility should be verified for your specific system.
Is N120WW4 still available?
N120WW4 is currently cancelled.
Request a Quote — N120WW4