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Technical Data Sheet
PartsTable / COMPONENT / MS51525
MS51525 ✓ 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 end_item_identification: ARMORED COMBAT EARTHMOVER,NSN 2430-01-581-8572; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS). This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-080-7040, 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
MS51525
NSN: 4730-00-080-7040
FSC: 4730
CAGE: 30780 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV TUBE FITTINGS DIVISION (USA)
SPECIFICATIONS
end_item_identificationARMORED COMBAT EARTHMOVER,NSN 2430-01-581-8572; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
NSN4730-00-080-7040
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS51525 · 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
•
MAXIMUM OPERATING TEMP: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
NOMINAL OVERALL LENGTH: 1.380 INCHES IN
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES FIRST END IN
•
NOMINAL THREAD SIZE: 0.750 INCHES SECOND END IN
•
FURNISHED ITEMS AND QUANTITY: 1 TUBE COUPLING NUT AND 1 COUPLING SLEEVE
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 3B FIGURE
TECHNICAL CHARACTERISTICS (FLIS)
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SINGLE RESPONSE DEGF
NOMINAL OVERALL LENGTH1.380 INCHES IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END IN
NOMINAL THREAD SIZE0.750 INCHES SECOND END IN
FURNISHED ITEMS AND QUANTITY1 TUBE COUPLING NUT AND 1 COUPLING SLEEVE
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NONDEFINITIVE SPEC/STD DATA3B FIGURE
NOMINAL THREAD SIZE0.562 INCHES FIRST END IN
THREAD SERIES DESIGNATORUNF ALL ENDS
SPECIAL FEATURESCONSISTS OF 1 BODY, 1 TUBE COUPLING, 1 COUPLING SLEEVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
MDA1591-2Interchangeable
interchangeable cross-reference
interchangeable
104086Interchangeable
interchangeable cross-reference
interchangeable
10-12F5X-SSInterchangeable
interchangeable cross-reference
interchangeable
MS51525B10-12Interchangeable
interchangeable cross-reference
interchangeable
10-12F5BXSSInterchangeable
interchangeable cross-reference
interchangeable
02464-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51525?
MS51525 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace MS51525?
There are 23 known substitutes for MS51525: MDA1591-2, 104086, 10-12F5X-SS and 20 more. Substitute compatibility should be verified for your specific system.
Is MS51525 still available?
MS51525 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