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C542-7 — COIL,RADIO FREQUENCY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

C542-7: COIL,RADIO FREQUENCY.

The COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: UNABLE TO DECODE, ring_style: CONCENTRIC, body_length: 0.560 INCHES MAXIMUM IN, joint_style: DIAGONAL JOINT, rating_method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING, coil_form_type: SOLID SINGLE COMPONENT. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-917-7821, 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
C542-7
NSN: 5330-00-917-7821
NIINs: 009177821, 013655963
FSC: 5330 — Packing and Gasket Materials
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
materialUNABLE TO DECODE
ring_styleCONCENTRIC
body_length0.560 INCHES MAXIMUM IN
joint_styleDIAGONAL JOINT
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
coil_form_typeSOLID SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
inside_diameter0.875 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
outside_diameter1.094 INCHES NOMINAL IN
special_featuresHORIZONTAL SPRING ZZZVGA-10 ACFT HYDRAULIC SYSTEM
core_constructionS0LID SINGLE COMPONENT
NSN5330-00-917-7821
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C542-7 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
•
OUTER EDGE THICKNESS: 0.094 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: OUTSIDE GROOVED, STRAIGHT FACE
•
OUTSIDE DIAMETER: 1.094 INCHES NOMINAL IN
•
JOINT STYLE: DIAGONAL JOINT
•
MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.875 INCHES NOMINAL IN
•
RING STYLE: CONCENTRIC
TECHNICAL CHARACTERISTICS
OUTER EDGE THICKNESS0.094 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEOUTSIDE GROOVED, STRAIGHT FACE
OUTSIDE DIAMETER1.094 INCHES NOMINAL IN
JOINT STYLEDIAGONAL JOINT
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
INSIDE DIAMETER0.875 INCHES NOMINAL IN
RING STYLECONCENTRIC
SPECIAL FEATURESHORIZONTAL SPRING ZZZVGA-10 ACFT HYDRAULIC SYSTEM
MATERIALUNABLE TO DECODE
SUBSTITUTES & CROSS-REFERENCES 3
S11065-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
1311023-230Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
S11065-7-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C542-7?
C542-7 is a COIL,RADIO FREQUENCY.
What parts can replace C542-7?
There are 3 known substitutes for C542-7: S11065-7, 1311023-230, S11065-7-1. Substitute compatibility should be verified for your specific system.
What is the NSN for C542-7?
C542-7 is cataloged in the U.S. Government catalog under NSN 5330-00-917-7821. This indicates validated use in U.S. government and defense supply chains.
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