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46831D ✓ 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 FITTING,LUBRICATION is a the manufacturer industrial component. Key specifications include height: 6.312 INCHES NOMINAL IN, material: STEEL OVERALL, shank_length: 5.875 INCHES NOMINAL IN, style_designator: STRAIGHT, surface_treatment: ZINC OVERALL, width_across_flats: 0.375 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-529-2940, 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
46831D
NSN: 4730-00-529-2940
FSC: 4730
CAGE: 92679 — NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/ (USA)
SPECIFICATIONS
height6.312 INCHES NOMINAL IN
materialSTEEL OVERALL
shank_length5.875 INCHES NOMINAL IN
style_designatorSTRAIGHT
surface_treatmentZINC OVERALL
width_across_flats0.375 INCHES NOMINAL IN
nominal_thread_size0.312 INCHES IN
thread_pitch_diameters+0.2801 TO 0.2819 INCHES IN
thread_quantity_per_inch18
screw_thread_series_designatorUNS
NSN4730-00-529-2940
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 46831D · 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
•
NOMINAL THREAD SIZE: 0.312 INCHES IN
•
WIDTH ACROSS FLATS: 0.375 INCHES NOMINAL IN
•
HEIGHT: 6.312 INCHES NOMINAL IN
•
SCREW THREAD SERIES DESIGNATOR: UNS
•
THREAD QUANTITY PER INCH: 18
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: ZINC OVERALL
•
STYLE DESIGNATOR: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.312 INCHES IN
WIDTH ACROSS FLATS0.375 INCHES NOMINAL IN
HEIGHT6.312 INCHES NOMINAL IN
SCREW THREAD SERIES DESIGNATORUNS
THREAD QUANTITY PER INCH18
MATERIALSTEEL OVERALL
SURFACE TREATMENTZINC OVERALL
STYLE DESIGNATORSTRAIGHT
SHANK LENGTH5.875 INCHES NOMINAL IN
THREAD PITCH DIAMETERS+0.2801 TO 0.2819 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
5057Interchangeable
interchangeable cross-reference
interchangeable
J8492ABInterchangeable
interchangeable cross-reference
interchangeable
HDC58RInterchangeable
interchangeable cross-reference
interchangeable
CPH58RInterchangeable
interchangeable cross-reference
interchangeable
AS24461Interchangeable
interchangeable cross-reference
interchangeable
7NBC101T6ZPMILG3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 46831D?
46831D is a FITTING,LUBRICATION.
What parts can replace 46831D?
There are 16 known substitutes for 46831D: 5057, J8492AB, HDC58R and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 46831D?
46831D is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-529-2940. 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