20557
✓ Verified by PartsTable
Legrand · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW
The VIBRATOR,SELF-RECTIFYING is a Legrand industrial component. Key specifications include material: STEEL OVERALL, reed_type: SINGLE, unit_type: NONREFILLABLE, bend_radius: 3.000 INCHES NOMINAL IN, overall_length: 1.820 INCHES NOMINAL IN, wall_thickness: 0.188 INCHES MINIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-035-8919, 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
MRO →
MRO_GENERAL →
20557
NSN: 4720-00-035-8919 FSC: 4720 CAGE: 24161 — GATES CORPORATION (USA)
SPECIFICATIONS
material STEEL OVERALL reed_type SINGLE unit_type NONREFILLABLE bend_radius 3.000 INCHES NOMINAL IN overall_length 1.820 INCHES NOMINAL IN wall_thickness 0.188 INCHES MINIMUM IN working_length 8.690 INCHES NOMINAL IN drive_end_shape SQUARE SINGLE END INTERNAL inside_diameter 2.000 INCHES NOMINAL IN offset_distance 4.500 INCHES NOMINAL IN overall_diameter 1.313 INCHES NOMINAL IN style_designator OPEN END NSN 4720-00-035-8919
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS
WALL: —
OD: —
LENGTH: —
—
—
PN: 20557 · Legrand
⚠ VERIFY BEFORE ORDERING
Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness.
Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD
✓ BROKER TIP
Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy.
Seamless pipe is required for high-pressure applications — welded pipe has lower ratings
PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
• OFFSET DISTANCE: 4.500 INCHES NOMINAL IN
• STYLE DESIGNATOR: TWO BEND
• SECOND ARM LENGTH: 2.460 INCHES NOMINAL IN
• BEND RADIUS: 3.000 INCHES NOMINAL IN
• MATERIAL: RUBBER CHLOROPRENE CLASS CR COVER
• WORKING LENGTH: 8.690 INCHES NOMINAL IN
• WALL THICKNESS: 0.188 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OFFSET DISTANCE 4.500 INCHES NOMINAL IN STYLE DESIGNATOR TWO BEND SECOND ARM LENGTH 2.460 INCHES NOMINAL IN BEND RADIUS 3.000 INCHES NOMINAL IN MATERIAL RUBBER CHLOROPRENE CLASS CR COVER MATERIAL RUBBER CHLOROPRENE CLASS CR OVERALL WORKING LENGTH 8.690 INCHES NOMINAL IN WALL THICKNESS 0.188 INCHES MINIMUM IN CENTER TO CENTER DISTANCE 7.690 INCHES NOMINAL IN INSIDE DIAMETER 2.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
7423 Interchangeable interchangeable cross-reference
interchangeable
C0405H Interchangeable interchangeable cross-reference
interchangeable
B226539 Interchangeable interchangeable cross-reference
interchangeable
7280 Interchangeable interchangeable cross-reference
interchangeable
C3044-5 Interchangeable interchangeable cross-reference
interchangeable
21219-4 Interchangeable interchangeable cross-reference
interchangeable
LIFECYCLE
Status CANCELLED
Availability —
RoHS Compliant EAR99 Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20557?
20557 is a VIBRATOR,SELF-RECTIFYING manufactured by Legrand. It is classified as a MRO (MRO_GENERAL).
What parts can replace 20557?
There are 17 known substitutes for 20557: 7423, C0405H, B226539 and 14 more. Substitute compatibility should be verified for your specific system.
Is 20557 still available?
20557 is currently cancelled.