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Technical Data Sheet
PartsTable / COMPONENT / MS51532B8
MS51532B8 ✓ 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 ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, seat_angle: 37.0 DEGREES, thread_class: 2B INTERNAL, connection_style: FLARE, style_designator: CAP, thread_direction: RIGHT-HAND INTERNAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-585-6565, 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
MS51532B8
NSN: 4730-00-585-6565
FSC: 4730
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
seat_angle37.0 DEGREES
thread_class2B INTERNAL
connection_styleFLARE
style_designatorCAP
thread_directionRIGHT-HAND INTERNAL
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.750 INCHES INTERNAL IN
thread_series_designatorUNF INTERNAL
tube_outside_diameter_for_which_designed0.500 INCHES NOMINAL IN
NSN4730-00-585-6565
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS51532B8 · 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
•
SURFACE TREATMENT: CADMIUM OVERALL
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.500 INCHES NOMINAL IN
•
THREAD CLASS: 2B INTERNAL
•
NOMINAL THREAD SIZE: 0.750 INCHES INTERNAL IN
•
THREAD SERIES DESIGNATOR: UNF INTERNAL
•
STYLE DESIGNATOR: CAP
•
THREAD DIRECTION: RIGHT-HAND INTERNAL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM OVERALL
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.500 INCHES NOMINAL IN
THREAD CLASS2B INTERNAL
NOMINAL THREAD SIZE0.750 INCHES INTERNAL IN
THREAD SERIES DESIGNATORUNF INTERNAL
STYLE DESIGNATORCAP
THREAD DIRECTIONRIGHT-HAND INTERNAL
MATERIALSTEEL OVERALL
SEAT ANGLE37.0 DEGREES
CONNECTION STYLEFLARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
06CP-6Interchangeable
interchangeable cross-reference
interchangeable
820X6Interchangeable
interchangeable cross-reference
interchangeable
13207E4702Interchangeable
interchangeable cross-reference
interchangeable
998-5417Interchangeable
interchangeable cross-reference
interchangeable
L100-29Interchangeable
interchangeable cross-reference
interchangeable
3591130-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51532B8?
MS51532B8 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace MS51532B8?
There are 27 known substitutes for MS51532B8: 06CP-6, 820X6, 13207E4702 and 24 more. Substitute compatibility should be verified for your specific system.
Is MS51532B8 still available?
MS51532B8 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