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PartsTable / COMPONENT / E3156-3PC2852
E3156-3PC2852 ✓ 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: 0.438-20, thread_class: 1A AND 1B A, thread_length: 0.313 INCHES NOMINAL IN, overall_length: 0.406 INCHES NOMINAL IN, style_designator: HEXAGON, INTERNAL THREAD, SHOULDERED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-200-0488, 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
E3156-3PC2852
NSN: 4730-00-200-0488
FSC: 4730
CAGE: 33667 — KING ENGINEERING CORPORATION DBA KING-GAGE SYSTEMS (USA)
SPECIFICATIONS
materialCOPPER ALLOY
thread_size0.438-20
thread_class1A AND 1B A
thread_length0.313 INCHES NOMINAL IN
overall_length0.406 INCHES NOMINAL IN
style_designatorHEXAGON, INTERNAL THREAD, SHOULDERED
thread_directionRIGHT-HAND
length_to_shoulder0.313 INCHES NOMINAL IN
width_across_flats0.500 INCHES NOMINAL IN
screw_thread_locationINTERNAL
casehardening_indicatorNOT CASEHARDENED
smallest_inside_diameter0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
NSN4730-00-200-0488
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: E3156-3PC2852 · 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
•
STYLE DESIGNATOR: HEXAGON, INTERNAL THREAD, SHOULDERED
•
SCREW THREAD LOCATION: INTERNAL
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW THREAD SERIES DESIGNATOR: UNF
•
THREAD LENGTH: 0.313 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORHEXAGON, INTERNAL THREAD, SHOULDERED
SCREW THREAD LOCATIONINTERNAL
CASEHARDENING INDICATORNOT CASEHARDENED
OVERALL LENGTH0.406 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
SCREW THREAD SERIES DESIGNATORUNF
THREAD LENGTH0.313 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.500 INCHES NOMINAL IN
THREAD SIZE0.438-20
LENGTH TO SHOULDER0.313 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
PA-6118-SInterchangeable
interchangeable cross-reference
interchangeable
ARM-1012SInterchangeable
interchangeable cross-reference
interchangeable
P11-5749Interchangeable
interchangeable cross-reference
interchangeable
359-1001-1ZInterchangeable
interchangeable cross-reference
interchangeable
5325PL0718997Interchangeable
interchangeable cross-reference
interchangeable
12Z12002-28Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E3156-3PC2852?
E3156-3PC2852 is a PACKING NUT.
What parts can replace E3156-3PC2852?
There are 18 known substitutes for E3156-3PC2852: PA-6118-S, ARM-1012S, P11-5749 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for E3156-3PC2852?
E3156-3PC2852 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-200-0488. 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