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Technical Data Sheet
PartsTable / COMPONENT / MS51846-99
MS51846-99 ✓ 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 RESISTOR,FIXED,WIRE WOUND is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, leg_length: 0.922 INCHES MAXIMUM FIRST END IN, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, style_designator: SHORT, nominal_thread_size: 1.000 INCHES ALL ENDS IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-193-2716, 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
MS51846-99
NSN: 4730-00-193-2716
FSC: 4730
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
leg_length0.922 INCHES MAXIMUM FIRST END IN
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
style_designatorSHORT
nominal_thread_size1.000 INCHES ALL ENDS IN
nominal_overall_length2.000 INCHES IN
media_for_which_designedFLUID FIRST RESPONSE
thread_series_designatorNPT ALL ENDS
nondefinitive_spec/std_data2 TYPE
material_document_and_classificationASTM B43 OR B42 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
pipe_wall_thickness_designation_for_which_designedSCHEDULE STD ALL ENDS
NSN4730-00-193-2716
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS51846-99 · 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 DOCUMENT AND CLASSIFICATION: ASTM B43 OR B42 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: COPPER ALLOY OVERALL
•
NOMINAL OVERALL LENGTH: 2.000 INCHES IN
•
NOMINAL THREAD SIZE: 1.000 INCHES ALL ENDS IN
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE
•
STYLE DESIGNATOR: SHORT
•
LEG LENGTH: 0.891 INCHES NOMINAL SECOND END IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B43 OR B42 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
NOMINAL OVERALL LENGTH2.000 INCHES IN
NOMINAL THREAD SIZE1.000 INCHES ALL ENDS IN
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
NONDEFINITIVE SPEC/STD DATA2 TYPE
STYLE DESIGNATORSHORT
LEG LENGTH0.891 INCHES NOMINAL SECOND END IN
MEDIA FOR WHICH DESIGNEDAIR SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDAIR SECOND RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
B687R-1CPInterchangeable
interchangeable cross-reference
interchangeable
EE-63144Interchangeable
interchangeable cross-reference
interchangeable
501989Interchangeable
interchangeable cross-reference
interchangeable
WWN351Interchangeable
interchangeable cross-reference
interchangeable
13275AInterchangeable
interchangeable cross-reference
interchangeable
ASTM-B687Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51846-99?
MS51846-99 is a RESISTOR,FIXED,WIRE WOUND.
What parts can replace MS51846-99?
There are 19 known substitutes for MS51846-99: B687R-1CP, EE-63144, 501989 and 16 more. Substitute compatibility should be verified for your specific system.
Is MS51846-99 still available?
MS51846-99 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026