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Technical Data Sheet
M640-1 A8180 ✓ 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 TRAP,AIR is a the manufacturer industrial component. Key specifications include material: ALUMINUM BODY, overall_width: 6.906 INCHES NOMINAL IN, overall_height: 8.5 INCHES NOMINAL IN, thread_direction: RIGHT-HAND INLET, operating_pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS, outlet_flange_thickness: 1.0 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-698-2712, 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
M640-1 A8180
NSN: 4730-01-698-2712
FSC: 4730
CAGE: 57092 — LIQUID CONTROLS SPONSLER, INC DIV A UNIT OF IDEX CORPORATION (USA)
SPECIFICATIONS
materialALUMINUM BODY
overall_width6.906 INCHES NOMINAL IN
overall_height8.5 INCHES NOMINAL IN
special_featuresAIR ELIMINATOR COLOR:YELLOW,THE ELIMINATOR WAS TO REMOVE THE AIR AND VAPOR FROM METERING SYSTEM,INCREASES THE ACCURACY OF THE METER BY ALLOWING ONLY LIQUID TO PASS THROUGH
thread_directionRIGHT-HAND INLET
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
outlet_flange_thickness1.0 INCHES NOMINAL IN
outlet_thread_directionRIGHT-HAND
inlet_bolt_hole_quantity6
overall_outside_diameter6.906 INCHES NOMINAL IN
outlet_bolt_hole_quantity6
inlet_thread_series_designatorNPT
NSN4730-01-698-2712
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: M640-1 A8180 · 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
OUTLET THREAD SERIES DESIGNATOR: NPT
INLET THREAD SERIES DESIGNATOR: NPT
INLET CONNECTION NOMINAL PIPE SIZE: 1.0 INCHES IN
INLET BOLT HOLE QUANTITY: 6
THREAD DIRECTION: RIGHT-HAND INLET
INLET CONNECTION TYPE AND QUANTITY: 1 THREADED EXTERNAL PIPE
OUTLET CONNECTION NOMINAL PIPE SIZE: 1.0 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTLET THREAD SERIES DESIGNATORNPT
PART NAME ASSIGNED BY CONTROLLING AGENCYTRIP AIR
INLET THREAD SERIES DESIGNATORNPT
INLET CONNECTION NOMINAL PIPE SIZE1.0 INCHES IN
INLET BOLT HOLE QUANTITY6
THREAD DIRECTIONRIGHT-HAND INLET
INLET CONNECTION TYPE AND QUANTITY1 THREADED EXTERNAL PIPE
OUTLET CONNECTION NOMINAL PIPE SIZE1.0 INCHES IN
OUTLET THREAD DIRECTIONRIGHT-HAND
OVERALL HEIGHT8.5 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
G567735Interchangeable
interchangeable cross-reference
interchangeable
A8180Interchangeable
interchangeable cross-reference
interchangeable
A6056Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M640-1 A8180?
M640-1 A8180 is a TRAP,AIR.
What parts can replace M640-1 A8180?
There are 3 known substitutes for M640-1 A8180: G567735, A8180, A6056. Substitute compatibility should be verified for your specific system.
What is the NSN for M640-1 A8180?
M640-1 A8180 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-698-2712. This indicates validated use in U.S. government and defense supply chains.
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