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T19790 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

T19790: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 5.120 INCHES NOMINAL IN, diameter: 0.750 INCHES NOMINAL IN, style_designator: LEFT INTERNAL THREAD, cross-sectional_shape: ROUND, left_end_chamfer_angle: 30.0 DEGREES NOMINAL, left_end_chamfer_depth: 0.060 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-218-3642, 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
T19790
NSN: 5340-01-218-3642
FSC: 5340 — Hardware, Commercial
CAGE: 75160 — DEERE & CO (USA)
SPECIFICATIONS
length5.120 INCHES NOMINAL IN
diameter0.750 INCHES NOMINAL IN
style_designatorLEFT INTERNAL THREAD
cross-sectional_shapeROUND
left_end_chamfer_angle30.0 DEGREES NOMINAL
left_end_chamfer_depth0.060 INCHES NOMINAL IN
right_end_chamfer_angle30.0 DEGREES NOMINAL
right_end_chamfer_depth0.060 INCHES NOMINAL IN
NSN5340-01-218-3642
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: T19790 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
•
LEFT END CHAMFER ANGLE: 30.0 DEGREES NOMINAL
•
LENGTH: 5.120 INCHES NOMINAL IN
•
RIGHT END CHAMFER DEPTH: 0.060 INCHES NOMINAL IN
•
STYLE DESIGNATOR: LEFT INTERNAL THREAD
•
DIAMETER: 0.750 INCHES NOMINAL IN
•
RIGHT END CHAMFER ANGLE: 30.0 DEGREES NOMINAL
•
CROSS-SECTIONAL SHAPE: ROUND
•
LEFT END CHAMFER DEPTH: 0.060 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LEFT END CHAMFER ANGLE30.0 DEGREES NOMINAL
LENGTH5.120 INCHES NOMINAL IN
RIGHT END CHAMFER DEPTH0.060 INCHES NOMINAL IN
STYLE DESIGNATORLEFT INTERNAL THREAD
DIAMETER0.750 INCHES NOMINAL IN
RIGHT END CHAMFER ANGLE30.0 DEGREES NOMINAL
CROSS-SECTIONAL SHAPEROUND
LEFT END CHAMFER DEPTH0.060 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
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 T19790?
T19790 is a STANDOFF,THREADED,SPACING.
What is the NSN for T19790?
T19790 is cataloged in the U.S. Government catalog under NSN 5340-01-218-3642. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.