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MS51846 ✓ 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 PROPELLER SHAFT,VEHICULAR is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 230 OVERALL, leg_length: 0.828 INCHES MINIMUM SECOND END IN, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, special_features: STANDARD WEIGHT, style_designator: LONG. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-116-9614, 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
MS51846
NSN: 4730-00-116-9614
FSC: 4730
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialCOPPER ALLOY 230 OVERALL
leg_length0.828 INCHES MINIMUM SECOND END IN
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
special_featuresSTANDARD WEIGHT
style_designatorLONG
operating_pressure2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size3.000 INCHES ALL ENDS IN
nominal_overall_length3.500 INCHES IN
end_item_identificationMULTI APPLICATION
media_for_which_designedAIR SECOND RESPONSE
thread_series_designatorNPT ALL ENDS
NSN4730-00-116-9614
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS51846 · 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
•
MATERIAL: COPPER ALLOY 230 OVERALL
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
NOMINAL OVERALL LENGTH: 3.500 INCHES IN
•
NOMINAL THREAD SIZE: 3.000 INCHES ALL ENDS IN
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
SPECIFICATION/STANDARD DATA: 96906-MS51846 GOVERNMENT STANDARD AND 81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY 230 OVERALL
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
NOMINAL OVERALL LENGTH3.500 INCHES IN
SPECIAL FEATURESSTANDARD WEIGHT
NOMINAL THREAD SIZE3.000 INCHES ALL ENDS IN
THREAD SERIES DESIGNATORNPT ALL ENDS
END ITEM IDENTIFICATIONMULTI APPLICATION
SPECIFICATION/STANDARD DATA96906-MS51846 GOVERNMENT STANDARD AND 81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
STYLE DESIGNATORLONG
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B43 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
113RB-A3Interchangeable
interchangeable cross-reference
interchangeable
113B1-8X3Interchangeable
interchangeable cross-reference
interchangeable
ASTM B687Interchangeable
interchangeable cross-reference
interchangeable
MS51846-16Interchangeable
interchangeable cross-reference
interchangeable
144597Interchangeable
interchangeable cross-reference
interchangeable
BC10008479Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51846?
MS51846 is a PROPELLER SHAFT,VEHICULAR.
What parts can replace MS51846?
There are 21 known substitutes for MS51846: 113RB-A3, 113B1-8X3, ASTM B687 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS51846?
MS51846 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-116-9614. 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