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542-4020-002 — STRAP,RETAINING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

542-4020-002: STRAP,RETAINING.

The STRAP,RETAINING is a the manufacturer industrial component. Key specifications include cushion: NOT INCLUDED, material: COPPER ALLOY 268 OR COPPER ALLOY 670 LOCATION NOT OTHERWISE SPECIFIED, mounting_pad: NOT INCLUDED, overall_width: 0.344 INCHES NOMINAL IN, overall_length: 0.541 INCHES NOMINAL IN, style_designator: CURVED ARCH. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-760-8068, 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
542-4020-002
NSN: 5340-00-760-8068
NIINs: 007608068, 011288034
FSC: 5340 — Hardware, Commercial
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
cushionNOT INCLUDED
materialCOPPER ALLOY 268 OR COPPER ALLOY 670 LOCATION NOT OTHERWISE SPECIFIED
mounting_padNOT INCLUDED
overall_width0.344 INCHES NOMINAL IN
overall_length0.541 INCHES NOMINAL IN
style_designatorCURVED ARCH
material_thickness0.020 INCHES NOMINAL IN
mounting_hole_size0.125 INCHES NOMINAL IN
inside_diameter/arch_length0.150 INCHES NOMINAL IN
distance_between_base_and_inside_of_arch0.065 INCHES NOMINAL IN
center_to_center_distance_between_arch_and_mounting_hole0.290 INCHES NOMINAL IN
NSN5340-00-760-8068
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 542-4020-002 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
•
MOUNTING HOLE SIZE: 0.125 INCHES NOMINAL IN
•
MOUNTING PAD: NOT INCLUDED
•
STYLE DESIGNATOR: HALF ARCH
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-613,COMPOSITION 260 OR 268 FORM,A/A,TEMPER HALF-HARD FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
•
MATERIAL THICKNESS: 0.020 INCHES NOMINAL IN
•
CUSHION: NOT INCLUDED
TECHNICAL CHARACTERISTICS
MOUNTING HOLE SIZE0.125 INCHES NOMINAL IN
MOUNTING PADNOT INCLUDED
STYLE DESIGNATORHALF ARCH
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-613,COMPOSITION 260 OR 268 FORM,A/A,TEMPER HALF-HARD FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
OVERALL LENGTH0.533 INCHES MINIMUM AND 0.549 INCHES MAXIMUM IN
OVERALL WIDTH0.344 INCHES NOMINAL IN
MATERIAL THICKNESS0.020 INCHES NOMINAL IN
CUSHIONNOT INCLUDED
DISTANCE BETWEEN BASE AND INSIDE OF ARCH0.065 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING HOLE CENTER AND INSIDE EDGE OF ARCH0.207 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 542-4020-002?
542-4020-002 is a STRAP,RETAINING.
What is the NSN for 542-4020-002?
542-4020-002 is cataloged in the U.S. Government catalog under NSN 5340-00-760-8068. This indicates validated use in U.S. government and defense supply chains.
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