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PartsTable / COMPONENT / 4730PL1845181
4730PL1845181 ✓ 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

IGNITER,SPARK,GAS TURBINE ENGINE. Key specifications include height: 1.250 INCHES NOMINAL IN, material: STEEL OVERALL, shank_length: 0.750 INCHES NOMINAL IN, special_features: SUPPORTS ANTHONY MODEL MLT 6-2;NSN 3930003271575;SURFACE LOCATED BALL CHECK VALVE, style_designator: STRAIGHT, surface_treatment: CADMIUM OR ZINC OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-172-0022, 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
4730PL1845181
NSN: 4730-00-172-0022
FSC: 4730
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
height1.250 INCHES NOMINAL IN
materialSTEEL OVERALL
shank_length0.750 INCHES NOMINAL IN
special_featuresSUPPORTS ANTHONY MODEL MLT 6-2;NSN 3930003271575;SURFACE LOCATED BALL CHECK VALVE
style_designatorSTRAIGHT
surface_treatmentCADMIUM OR ZINC OVERALL
width_across_flats0.438 INCHES NOMINAL IN
nominal_thread_size0.125 INCHES IN
supplementary_featuresUSED ON 3990-01-443-8024 ENGINEERING MISSION MODULE FOR THE PALLETIZED LOADING SYSTEM
thread_quantity_per_inch27
screw_thread_series_designatorPTF-SPL SHORT
NSN4730-00-172-0022
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4730PL1845181 · 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
•
NOMINAL THREAD SIZE: 0.125 INCHES IN
•
WIDTH ACROSS FLATS: 0.438 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 27
•
SCREW THREAD SERIES DESIGNATOR: PTF-SPL SHORT
•
HEIGHT: 1.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.125 INCHES IN
WIDTH ACROSS FLATS0.438 INCHES NOMINAL IN
THREAD QUANTITY PER INCH27
SPECIAL FEATURESSUPPORTS ANTHONY MODEL MLT 6-2;NSN 3930003271575;SURFACE LOCATED BALL CHECK VALVE
SCREW THREAD SERIES DESIGNATORPTF-SPL SHORT
HEIGHT1.250 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
SUPPLEMENTARY FEATURESUSED ON 3990-01-443-8024 ENGINEERING MISSION MODULE FOR THE PALLETIZED LOADING SYSTEM
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 40
122-660345 PC 30Interchangeable
interchangeable cross-reference
interchangeable
200954Interchangeable
interchangeable cross-reference
interchangeable
122-5277738 ITEM 33Interchangeable
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 4730PL1845181?
4730PL1845181 is a IGNITER,SPARK,GAS TURBINE ENGINE.
What parts can replace 4730PL1845181?
There are 40 known substitutes for 4730PL1845181: 122-660345 PC 30, 200954, 122-5277738 ITEM 33 and 37 more. Substitute compatibility should be verified for your specific system.
Is 4730PL1845181 still available?
4730PL1845181 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