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20540 — ATTENUATOR,FIXED

✓ Government record, cited
Legrand · PIPE SECTION
PRODUCT OVERVIEW

20540: ATTENUATOR,FIXED.

The ATTENUATOR,FIXED is a Legrand industrial component. Key specifications include diameter: 0.375 INCHES NOMINAL IN, material: STEEL COMP 1008 OVERALL, unit_type: MANUAL, drive_type: SLOTTED, bend_radius: 1.750 INCHES NOMINAL IN, grip_length: 0.685 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4720-00-460-3815, 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
20540
NSN: 4720-00-460-3815
NIINs: 004603815, 010406802, 010932591, 012305772, 016236985
FSC: 4720 — Hose and Flexible Tubing
CAGE: 24161 — GATES CORPORATION (USA)
SPECIFICATIONS
diameter0.375 INCHES NOMINAL IN
materialSTEEL COMP 1008 OVERALL
unit_typeMANUAL
drive_typeSLOTTED
bend_radius1.750 INCHES NOMINAL IN
grip_length0.685 INCHES NOMINAL IN
outer_radius1.750 INCHES NOMINAL IN
wall_thickness0.203 INCHES NOMINAL IN
working_length12.750 INCHES NOMINAL IN
inside_diameter1.500 INCHES NOMINAL IN
first_arm_length1.750 INCHES NOMINAL IN
special_featuresDISPENSER BOX OF 30 INDIVIDUAL 5-FOOT LONG, HEAVY RESISTENCE BAND
NSN4720-00-460-3815
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 20540 · 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
•
OUTER RADIUS: 1.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: TWO BEND MODIFIED "U"
•
WALL THICKNESS: 0.203 INCHES NOMINAL IN
•
INSIDE DIAMETER: 1.500 INCHES NOMINAL IN
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR OVERALL
•
BEND RADIUS: 1.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTER RADIUS1.750 INCHES NOMINAL IN
STYLE DESIGNATORTWO BEND MODIFIED "U"
WALL THICKNESS0.203 INCHES NOMINAL IN
INSIDE DIAMETER1.500 INCHES NOMINAL IN
SPECIAL FEATURESW/STEEL WIRE SPRING INSERT
MATERIALRUBBER CHLOROPRENE CLASS CR OVERALL
MATERIALRUBBER CHLOROPRENE CLASS CR COVER
BEND RADIUS1.750 INCHES NOMINAL IN
SECOND ARM LENGTH2.125 INCHES NOMINAL IN
WORKING LENGTH12.750 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
CH540AReference document
Same NSN cross-reference
Reference document — Secondary reference
20540AReference document
Same NSN cross-reference
Reference document — Secondary reference
991182Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 20540?
20540 is a ATTENUATOR,FIXED manufactured by Legrand.
What parts can replace 20540?
There are 3 known substitutes for 20540: CH540A, 20540A, 991182. Substitute compatibility should be verified for your specific system.
What is the NSN for 20540?
20540 is cataloged in the U.S. Government catalog under NSN 4720-00-460-3815. This indicates validated use in U.S. government and defense supply chains.
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