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3400D1421998 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3400D1421998: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 1.920 INCHES NOMINAL IN, thread_length: 1.0 INCHES NOMINAL RIGHT EXTERNAL IN, nominal_thread_size: 6.0 MILLIMETERS RIGHT EXTERNAL MM, right_projection_length: 0.38 INCHES NOMINAL IN, thread_quantity_per_inch: 16 LEFT EXTERNAL, thread_series_designator: UNIFIED NATIONAL COARSE (UNC) LEFT EXTERNAL. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-666-4571, 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
3400D1421998
NSN: 5340-01-666-4571
FSC: 5340 — Hardware, Commercial
CAGE: 4V360 — GENERAL ATOMICS DBA GENERAL ATOMICS CORP (USA)
SPECIFICATIONS
length1.920 INCHES NOMINAL IN
thread_length1.0 INCHES NOMINAL RIGHT EXTERNAL IN
nominal_thread_size6.0 MILLIMETERS RIGHT EXTERNAL MM
right_projection_length0.38 INCHES NOMINAL IN
thread_quantity_per_inch16 LEFT EXTERNAL
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) LEFT EXTERNAL
right_projection_diameter0.375 INCHES NOMINAL IN
NSN5340-01-666-4571
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3400D1421998 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
•
LENGTH: 1.920 INCHES NOMINAL IN
•
THREAD LENGTH: 1.0 INCHES NOMINAL RIGHT EXTERNAL IN
•
NOMINAL THREAD SIZE: 6.0 MILLIMETERS RIGHT EXTERNAL MM
•
THREAD QUANTITY PER INCH: 16 LEFT EXTERNAL
•
RIGHT PROJECTION DIAMETER: 0.375 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: M RIGHT EXTERNAL
TECHNICAL CHARACTERISTICS
LENGTH1.920 INCHES NOMINAL IN
THREAD LENGTH1.0 INCHES NOMINAL RIGHT EXTERNAL IN
NOMINAL THREAD SIZE6.0 MILLIMETERS RIGHT EXTERNAL MM
NOMINAL THREAD SIZE0.375 INCHES LEFT EXTERNAL IN
THREAD QUANTITY PER INCH16 LEFT EXTERNAL
RIGHT PROJECTION DIAMETER0.375 INCHES NOMINAL IN
THREAD SERIES DESIGNATORM RIGHT EXTERNAL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) LEFT EXTERNAL
RIGHT PROJECTION LENGTH0.38 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 3400D1421998?
3400D1421998 is a STANDOFF,THREADED,SPACING.
What is the NSN for 3400D1421998?
3400D1421998 is cataloged in the U.S. Government catalog under NSN 5340-01-666-4571. This indicates validated use in U.S. government and defense supply chains.
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