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Technical Data Sheet
PartsTable / COMPONENT / 3/8MMS-S
3/8MMS-S ✓ 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 3/8MMS-S is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-564-9527, 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
3/8MMS-S
NSN: 4730-00-564-9527
FSC: 4730
CAGE: 98441 — PARKER HANNIFIN CORP DBA PNEUTRONICS DIV STRATOFLEX PRODUCTS DIVISION (USA)
SPECIFICATIONS
Part Number3/8MMS-S
NSN4730-00-564-9527
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3/8MMS-S · 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
•
MATERIAL: STEEL OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 17 TABLE AND 46B FIGURE
•
NOMINAL THREAD SIZE: 0.375 INCHES ALL ENDS IN
•
SPECIFICATION/STANDARD DATA: 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
CONNECTION TYPE: THREADED EXTERNAL PIPE THIRD END
•
LEG LENGTH: 1.020 INCHES NOMINAL SECOND END IN
•
CONNECTION STYLE: PLAIN (PIPE) THIRD END
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
NONDEFINITIVE SPEC/STD DATA17 TABLE AND 46B FIGURE
NOMINAL THREAD SIZE0.375 INCHES ALL ENDS IN
SPECIFICATION/STANDARD DATA81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
CONNECTION TYPETHREADED EXTERNAL PIPE THIRD END
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
LEG LENGTH1.020 INCHES NOMINAL SECOND END IN
CONNECTION STYLEPLAIN (PIPE) THIRD END
MAXIMUM OPERATING TEMP400.0 FAHRENHEIT SINGLE RESPONSE DEGF
CONNECTION STYLEPLAIN (PIPE) FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
GGG-K-275 TY6STAInterchangeable
interchangeable cross-reference
interchangeable
56046Interchangeable
interchangeable cross-reference
interchangeable
78006Interchangeable
interchangeable cross-reference
interchangeable
118-2652-006Interchangeable
interchangeable cross-reference
interchangeable
36F3Interchangeable
interchangeable cross-reference
interchangeable
6M6UFSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3/8MMS-S?
3/8MMS-S is a 3/8MMS-S.
What parts can replace 3/8MMS-S?
There are 20 known substitutes for 3/8MMS-S: GGG-K-275 TY6STA, 56046, 78006 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3/8MMS-S?
3/8MMS-S is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-564-9527. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026