PartsTable
Technical Data Sheet
164-18 ✓ 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 ROTOR,ENGINE POPPET VALVE is a the manufacturer industrial component. Key specifications include overall_length: 40.0 MILLIMETERS NOMINAL MM, end_item_identification: 6515-01-584-1870 SCREW SET, BONE, part_name_assigned_by_controlling_agency: SCREW 5MM LOCKING SELF TAPPING T25 STARDRIVE RECESS 40MM L MM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-050-4203, 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
164-18
NSN: 4730-00-050-4203
FSC: 4730
CAGE: 57733 — STEWART-WARNER CORPORATION (USA)
SPECIFICATIONS
overall_length40.0 MILLIMETERS NOMINAL MM
special_features5.0 MM LOCKING SCREW; SELF-TAPPING; T25 STARDRIVE RECESS; LENGTH: 40 MM; END ITEM: SCREW SET, BONE, NSN 6515-01-584-1870 MM
end_item_identification6515-01-584-1870 SCREW SET, BONE
part_name_assigned_by_controlling_agencySCREW 5MM LOCKING SELF TAPPING T25 STARDRIVE RECESS 40MM L MM
NSN4730-00-050-4203
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 164-18 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
22020Interchangeable
interchangeable cross-reference
interchangeable
69-773Interchangeable
interchangeable cross-reference
interchangeable
300-12Interchangeable
interchangeable cross-reference
interchangeable
4301Interchangeable
interchangeable cross-reference
interchangeable
122-5277671 ITEM 33Interchangeable
interchangeable cross-reference
interchangeable
9412350Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 164-18?
164-18 is a ROTOR,ENGINE POPPET VALVE.
What parts can replace 164-18?
There are 33 known substitutes for 164-18: 22020, 69-773, 300-12 and 30 more. Substitute compatibility should be verified for your specific system.
Is 164-18 still available?
164-18 is currently cancelled.
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