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71997 — COIL,RADIO FREQUENCY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

71997: COIL,RADIO FREQUENCY.

The COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, body_length: 0.050 INCHES NOMINAL IN, hole_diameter: 0.219 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, rating_method: WINDING TURNS SINGLE COMPONENT SINGLE WINDING, turn_quantity: 10 SINGLE COMPONENT SINGLE WINDING, coil_form_type: SOLID SINGLE COMPONENT. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-545-1741, 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
71997
NSN: 5330-00-545-1741
NIINs: 005451741, 010697124, 011205139, 017091363
FSC: 5330 — Packing and Gasket Materials
CAGE: 24930 — L3HARRIS TECHNOLOGIES, INC DIV SPACE & AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
body_length0.050 INCHES NOMINAL IN
hole_diameter0.219 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
rating_methodWINDING TURNS SINGLE COMPONENT SINGLE WINDING
turn_quantity10 SINGLE COMPONENT SINGLE WINDING
coil_form_typeSOLID SINGLE COMPONENT
inclosure_typeOPEN
hardness_rating85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM OVERALL
mounting_methodTERMINAL SINGLE GROUP
outside_diameter1.850 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
special_features3 0.260 IN. NOTCHES LOCATED ON OUTSIDE DIAMETER OF GASKET SPACED 120 DEGREES APART IN
style_designatorCIRCULAR WITH ONE PERIPHERAL FLAT
NSN5330-00-545-1741
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 71997 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
•
CROSS-SECTIONAL THICKNESS: 0.047 INCHES NOMINAL IN
•
GASKET CENTER TO FLAT DISTANCE: 1.188 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR WITH ONE PERIPHERAL FLAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-22499 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR METAL
•
OUTSIDE DIAMETER: 3.375 INCHES NOMINAL IN
•
APERTURE DIAMETER: 2.255 INCHES MINIMUM AND 2.265 INCHES MAXIMUM IN
•
BOLT HOLE QUANTITY: 3
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.047 INCHES NOMINAL IN
GASKET CENTER TO FLAT DISTANCE1.188 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR WITH ONE PERIPHERAL FLAT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-22499 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR METAL
OUTSIDE DIAMETER3.375 INCHES NOMINAL IN
APERTURE DIAMETER2.255 INCHES MINIMUM AND 2.265 INCHES MAXIMUM IN
BOLT HOLE QUANTITY3
BOLT CIRCLE DIAMETER2.875 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 260 OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 71997?
71997 is a COIL,RADIO FREQUENCY.
What is the NSN for 71997?
71997 is cataloged in the U.S. Government catalog under NSN 5330-00-545-1741. This indicates validated use in U.S. government and defense supply chains.
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