PartsTable
Technical Data Sheet
MS51532B12S ✓ 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 seat_angle: 37.0 DEGREES, thread_class: 2B INTERNAL, connection_style: FLARE, style_designator: CAP, thread_direction: RIGHT-HAND INTERNAL, nominal_thread_size: 0.750 INCHES INTERNAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-606-3825, 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
MS51532B12S
NSN: 4730-00-606-3825
FSC: 4730
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
seat_angle37.0 DEGREES
thread_class2B INTERNAL
connection_styleFLARE
special_featuresMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
style_designatorCAP
thread_directionRIGHT-HAND INTERNAL
nominal_thread_size0.750 INCHES INTERNAL IN
thread_series_designatorUNF INTERNAL
criticality_code_justificationFEAT
tube_outside_diameter_for_which_designed0.750 INCHES NOMINAL IN
NSN4730-00-606-3825
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS51532B12S · 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
STYLE DESIGNATOR: CAP, TUBE, FLARED
SEAT ANGLE: 37.0 DEGREES
SURFACE TREATMENT: PASSIVATE OVERALL
THREAD QUANTITY PER INCH: 12 INTERNAL
CONNECTION STYLE: PRESSURE SEAL FLARED
THREAD DIRECTION: RIGHT-HAND INTERNAL
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESWEAPONS SYSTEM ESSENTIAL
STYLE DESIGNATORCAP, TUBE, FLARED
SEAT ANGLE37.0 DEGREES
END ITEM IDENTIFICATIONSHIP, AMPHIBIOUS CARGO RESUPPLY LIGHTER (LARC XV), CGN, DDG, CV, CVN, LHD; AIRCRAFT, AH-1W, B-1, F-108, T-58 W
SURFACE TREATMENTPASSIVATE OVERALL
THREAD QUANTITY PER INCH12 INTERNAL
CONNECTION STYLEPRESSURE SEAL FLARED
THREAD DIRECTIONRIGHT-HAND INTERNAL
THREAD CLASS3B INTERNAL
MATERIALSTEEL CORROSION RESISTING OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
12FNTXSSInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-18866Interchangeable
interchangeable cross-reference
interchangeable
12-FNTX-BInterchangeable
interchangeable cross-reference
interchangeable
MS51532-B12SInterchangeable
interchangeable cross-reference
interchangeable
SAE-AS4841Interchangeable
Same NIIN cross-reference
interchangeable
AS4841Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51532B12S?
MS51532B12S is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace MS51532B12S?
There are 10 known substitutes for MS51532B12S: 12FNTXSS, MIL-DTL-18866, 12-FNTX-B and 7 more. Substitute compatibility should be verified for your specific system.
Is MS51532B12S still available?
MS51532B12S is currently cancelled.
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