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Technical Data Sheet
PartsTable / COMPONENT / MS51532B4
MS51532B4 ✓ 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 TRANSFORMER,RADIO FREQUENCY 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 4730-00-808-6848, 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
MS51532B4
NSN: 4730-00-808-6848
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
nominal_thread_size0.438 INCHES INTERNAL IN
end_item_identificationJPN SUPPLY CLASS A0E
thread_series_designatorUNF INTERNAL
specification/standard_data81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
tube_outside_diameter_for_which_designed0.375 INCHES NOMINAL IN
NSN4730-00-808-6848
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS51532B4 · 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
•
CONNECTION STYLE: FLARE
•
SEAT ANGLE: 37.0 DEGREES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: J514 ASSN STD SINGLE TREATMENT RESPONSE BODY
•
THREAD SERIES DESIGNATOR: UNF INTERNAL
•
THREAD CLASS: 2B INTERNAL
•
THREAD DIRECTION: RIGHT-HAND INTERNAL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEFLARE
SEAT ANGLE37.0 DEGREES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONJ514 ASSN STD SINGLE TREATMENT RESPONSE BODY
END ITEM IDENTIFICATIONTANK; COMBAT, FT, 120MM GUN, M1A1 MM
THREAD SERIES DESIGNATORUNF INTERNAL
THREAD CLASS2B INTERNAL
THREAD DIRECTIONRIGHT-HAND INTERNAL
MATERIALSTEEL OVERALL
STYLE DESIGNATORCAP, TUBE, FLARED
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
36K3Interchangeable
interchangeable cross-reference
interchangeable
5900660Interchangeable
interchangeable cross-reference
interchangeable
AA59581Interchangeable
interchangeable cross-reference
interchangeable
A6-64Interchangeable
interchangeable cross-reference
interchangeable
RC100-2RLInterchangeable
interchangeable cross-reference
interchangeable
100RLInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51532B4?
MS51532B4 is a TRANSFORMER,RADIO FREQUENCY.
What parts can replace MS51532B4?
There are 26 known substitutes for MS51532B4: 36K3, 5900660, AA59581 and 23 more. Substitute compatibility should be verified for your specific system.
Is MS51532B4 still available?
MS51532B4 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