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Technical Data Sheet
PartsTable / COMPONENT / MS39177-3
MS39177-3 ✓ 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

SLEEVE,COMPRESSION,TUBE-HOSE FIT. Key specifications include depth: 17.000 INCHES IN, phase: SINGLE, width: 28.500 INCHES NOMINAL IN, height: 38.000 INCHES NOMINAL IN, material: ALUMINUM OVERALL, bulb_type: PLAIN RIGID. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-193-7390, 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
MS39177-3
NSN: 4730-01-193-7390
FSC: 4730
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
depth17.000 INCHES IN
phaseSINGLE
width28.500 INCHES NOMINAL IN
height38.000 INCHES NOMINAL IN
materialALUMINUM OVERALL
bulb_typePLAIN RIGID
case_typeDUSTPROOF
body_styleSTRAIGHT SHAPE, INTERNAL COUPLING W/BACKSHELL
scale_typeCONCENTRIC DIAL
shell_typeSOLID
corner_shapeROUND OUTSIDE LEFT CORNER
current_typeAC
NSN4730-01-193-7390
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS39177-3 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
13211E6986Interchangeable
interchangeable cross-reference
interchangeable
B13211E6986Interchangeable
interchangeable cross-reference
interchangeable
SD96AInterchangeable
interchangeable cross-reference
interchangeable
10TM-S47Interchangeable
interchangeable cross-reference
interchangeable
5023-855Interchangeable
interchangeable cross-reference
interchangeable
16-114Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS39177-3?
MS39177-3 is a SLEEVE,COMPRESSION,TUBE-HOSE FIT.
What parts can replace MS39177-3?
There are 32 known substitutes for MS39177-3: 13211E6986, B13211E6986, SD96A and 29 more. Substitute compatibility should be verified for your specific system.
Is MS39177-3 still available?
MS39177-3 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