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TG131 — SPARK GAP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

TG131: SPARK GAP.

The SPARK GAP is a the manufacturer industrial component. Key specifications include gap_type: NONROTARY, material: RUBBER CHLOROPRENE CLASS CR OVERALL, hole_diameter: 0.159 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_length: 4.000 INCHES NOMINAL IN, hardness_rating: 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL, outside_diameter: 7.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-266-2739, 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
TG131
NSN: 5330-00-266-2739
NIINs: 002662739, 009020546
FSC: 5330 — Packing and Gasket Materials
CAGE: 30040 — TELECTRO SYSTEMS CORP
SPECIFICATIONS
gap_typeNONROTARY
materialRUBBER CHLOROPRENE CLASS CR OVERALL
hole_diameter0.159 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_length4.000 INCHES NOMINAL IN
hardness_rating45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
outside_diameter7.000 INCHES NOMINAL IN
overall_diameter1.156 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter5.750 INCHES NOMINAL IN
bolt_hole_quantity6
bolt_circle_diameter6.500 INCHES NOMINAL IN
fsc_application_dataAIRCRAFT GUNNERY FIRE CONTROL SYSTEM
NSN5330-00-266-2739
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: TG131 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: 0.031 INCHES NOMINAL IN
•
HARDNESS RATING: 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-STD-417,GR SC505F2 MIL STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 7.000 INCHES NOMINAL IN
•
APERTURE DIAMETER: 5.750 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 6
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
HARDNESS RATING45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-STD-417,GR SC505F2 MIL STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER7.000 INCHES NOMINAL IN
APERTURE DIAMETER5.750 INCHES NOMINAL IN
BOLT HOLE QUANTITY6
BOLT CIRCLE DIAMETER6.500 INCHES NOMINAL IN
MATERIALRUBBER CHLOROPRENE CLASS CR OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
CA143C16442Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is TG131?
TG131 is a SPARK GAP.
What parts can replace TG131?
There is 1 known substitute for TG131: CA143C16442. Substitute compatibility should be verified for your specific system.
What is the NSN for TG131?
TG131 is cataloged in the U.S. Government catalog under NSN 5330-00-266-2739. This indicates validated use in U.S. government and defense supply chains.
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