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PartsTable / COMPONENT / 13426N PIECE 38
13426N PIECE 38 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The PACKING NUT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, thread_size: 2.250-14, thread_class: 2B, thread_length: 0.719 INCHES NOMINAL IN, overall_length: 0.812 INCHES NOMINAL IN, style_designator: IRREGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-391-8368, 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
13426N PIECE 38
NSN: 4730-00-391-8368
FSC: 4730
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
thread_size2.250-14
thread_class2B
thread_length0.719 INCHES NOMINAL IN
overall_length0.812 INCHES NOMINAL IN
style_designatorIRREGULAR
thread_directionRIGHT-HAND
width_across_flats2.688 INCHES NOMINAL IN
screw_thread_locationINTERNAL
casehardening_indicatorNOT CASEHARDENED
largest_inside_diameter2.515 INCHES NOMINAL IN
smallest_inside_diameter2.135 INCHES NOMINAL IN
NSN4730-00-391-8368
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 13426N PIECE 38 · 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
•
SCREW THREAD LOCATION: INTERNAL
•
SMALLEST INSIDE DIAMETER: 2.135 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 2.688 INCHES NOMINAL IN
•
STYLE DESIGNATOR: IRREGULAR
•
MATERIAL: COPPER ALLOY
•
SCREW THREAD SERIES DESIGNATOR: UNS
•
THREAD LENGTH: 0.719 INCHES NOMINAL IN
•
THREAD SIZE: 2.250-14
TECHNICAL CHARACTERISTICS (FLIS)
SCREW THREAD LOCATIONINTERNAL
SMALLEST INSIDE DIAMETER2.135 INCHES NOMINAL IN
WIDTH ACROSS FLATS2.688 INCHES NOMINAL IN
STYLE DESIGNATORIRREGULAR
MATERIALCOPPER ALLOY
SCREW THREAD SERIES DESIGNATORUNS
THREAD LENGTH0.719 INCHES NOMINAL IN
THREAD SIZE2.250-14
OVERALL LENGTH0.812 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
22904Interchangeable
interchangeable cross-reference
interchangeable
GGG-C-313 TY2STAInterchangeable
interchangeable cross-reference
interchangeable
GGG-C-313Interchangeable
interchangeable cross-reference
interchangeable
49753Interchangeable
interchangeable cross-reference
interchangeable
404Interchangeable
interchangeable cross-reference
interchangeable
70453Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 13426N PIECE 38?
13426N PIECE 38 is a PACKING NUT.
What parts can replace 13426N PIECE 38?
There are 14 known substitutes for 13426N PIECE 38: 22904, GGG-C-313 TY2STA, GGG-C-313 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 13426N PIECE 38?
13426N PIECE 38 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-391-8368. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026