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L6410344-005 — PACKING NUT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

L6410344-005: PACKING NUT.

The PACKING NUT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, slot_width: 0.093 INCHES NOMINAL IN, thread_size: 1-3/4-12, thread_class: 3B, thread_length: 0.438 INCHES NOMINAL IN, overall_length: 0.626 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-217-5082, 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
L6410344-005
NSN: 4730-01-217-5082
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)
SPECIFICATIONS
materialCOPPER ALLOY
slot_width0.093 INCHES NOMINAL IN
thread_size1-3/4-12
thread_class3B
thread_length0.438 INCHES NOMINAL IN
overall_length0.626 INCHES NOMINAL IN
style_designatorROUND SLOTTED, EXTERNAL THREAD, BOSS
thread_directionRIGHT-HAND
hole_or_slot_quantity4
screw_thread_locationEXTERNAL
casehardening_indicatorNOT CASEHARDENED
smallest_inside_diameter1.376 INCHES NOMINAL IN
NSN4730-01-217-5082
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: L6410344-005 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HOLE OR SLOT QUANTITY: 4
•
THREAD LENGTH: 0.438 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND SLOTTED, EXTERNAL THREAD, BOSS
•
THREAD DIRECTION: RIGHT-HAND
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
THREAD SIZE: 1-3/4-12
•
SCREW THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT (UNJ)
TECHNICAL CHARACTERISTICS
HOLE OR SLOT QUANTITY4
THREAD LENGTH0.438 INCHES NOMINAL IN
STYLE DESIGNATORROUND SLOTTED, EXTERNAL THREAD, BOSS
OVERALL LENGTH0.626 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
CASEHARDENING INDICATORNOT CASEHARDENED
THREAD SIZE1-3/4-12
SCREW THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ)
THREAD CLASS3B
MAJOR UNTHREADED OUTSIDE DIAMETER1.623 INCHES NOMINAL IN
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES 1
L6410344Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is L6410344-005?
L6410344-005 is a PACKING NUT.
What parts can replace L6410344-005?
There is 1 known substitute for L6410344-005: L6410344. Substitute compatibility should be verified for your specific system.
What is the NSN for L6410344-005?
L6410344-005 is cataloged in the U.S. Government catalog under NSN 4730-01-217-5082. 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.