PartsTable
Technical Data Sheet
PTM-3 ✓ 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 MICROPHONE,DYNAMIC is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, leg_length: 0.311 INCHES NOMINAL FIRST END IN, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, style_designator: CENTER WRENCHING FACILITY, surface_treatment: CADMIUM OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-055-4021, 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
PTM-3
NSN: 4730-01-055-4021
FSC: 4730
CAGE: 06178 — ALTEC AIR, LLC DBA ALTEC LLC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
leg_length0.311 INCHES NOMINAL FIRST END IN
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
style_designatorCENTER WRENCHING FACILITY
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.125 INCHES ALL ENDS IN
nominal_overall_length1.062 INCHES IN
end_item_identificationSHIP ANNOUNCING SYSTEM
thread_series_designatorNPTF ALL ENDS
NSN4730-01-055-4021
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: PTM-3 · 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 TYPE: THREADED EXTERNAL PIPE ALL ENDS
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
STYLE DESIGNATOR: CENTER WRENCHING FACILITY
THREAD SERIES DESIGNATOR: NPTF ALL ENDS
NOMINAL THREAD SIZE: 0.125 INCHES ALL ENDS IN
SURFACE TREATMENT: CADMIUM OVERALL
NOMINAL OVERALL LENGTH: 1.062 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
STYLE DESIGNATORCENTER WRENCHING FACILITY
THREAD SERIES DESIGNATORNPTF ALL ENDS
NOMINAL THREAD SIZE0.125 INCHES ALL ENDS IN
SURFACE TREATMENTCADMIUM OVERALL
NOMINAL OVERALL LENGTH1.062 INCHES IN
END ITEM IDENTIFICATIONEMF DEFENSE METEOROLOGICAL SATELLITE PROGRAM (DMSP); NSN 4210-01-486-1035 TFFT (TACTICAL FIRE FIGHTING TRUCK)
MATERIALSTEEL CORROSION RESISTING OVERALL
LEG LENGTH0.311 INCHES NOMINAL FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
413752C91Interchangeable
interchangeable cross-reference
interchangeable
70050Interchangeable
interchangeable cross-reference
interchangeable
0350-9410LUPInterchangeable
interchangeable cross-reference
interchangeable
1-15Interchangeable
interchangeable cross-reference
interchangeable
101-191Interchangeable
interchangeable cross-reference
interchangeable
FFN836Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PTM-3?
PTM-3 is a MICROPHONE,DYNAMIC.
What parts can replace PTM-3?
There are 20 known substitutes for PTM-3: 413752C91, 70050, 0350-9410LUP and 17 more. Substitute compatibility should be verified for your specific system.
Is PTM-3 still available?
PTM-3 is currently cancelled.
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