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Technical Data Sheet
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219148 ✓ 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 SHIELD,ELECTRON TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 172, nut_style: PIPE LOCKNUT, thread_series: NPSL, overall_height: 2.500 INCHES NOMINAL IN, overall_diameter: 0.875 INCHES NOMINAL IN, style_designator: TWIST LOCK W/LINER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-053-0234, 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
219148
NSN: 4730-00-053-0234
FSC: 4730
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialCOPPER ALLOY 172
nut_stylePIPE LOCKNUT
thread_seriesNPSL
overall_height2.500 INCHES NOMINAL IN
overall_diameter0.875 INCHES NOMINAL IN
style_designatorTWIST LOCK W/LINER
thread_directionRIGHT-HAND
surface_treatmentANODIZE
width_across_flats2.350 INCHES NOMINAL IN
nominal_thread_size1.500 INCHES IN
packing_recess_depth0.060 INCHES NOMINAL IN
packing_recess_diameter2.120 INCHES NOMINAL IN
NSN4730-00-053-0234
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 219148 · 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
•
THREAD QUANTITY PER INCH: 11-1/2
•
THREAD DIRECTION: RIGHT-HAND
•
PACKING RECESS DIAMETER: 2.120 INCHES NOMINAL IN
•
NUT STYLE: PIPE LOCKNUT
•
THREAD SERIES: NPSL
•
WIDTH ACROSS FLATS: 2.350 INCHES NOMINAL IN
•
PACKING RECESS DEPTH: 0.060 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 1.500 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH11-1/2
THREAD DIRECTIONRIGHT-HAND
PACKING RECESS DIAMETER2.120 INCHES NOMINAL IN
NUT STYLEPIPE LOCKNUT
THREAD SERIESNPSL
WIDTH ACROSS FLATS2.350 INCHES NOMINAL IN
PACKING RECESS DEPTH0.060 INCHES NOMINAL IN
NOMINAL THREAD SIZE1.500 INCHES IN
NONDEFINITIVE SPEC/STD DATA2 TYPE AND A STYLE
MATERIALIRON OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
7472340P6Interchangeable
interchangeable cross-reference
interchangeable
4180550-1Interchangeable
interchangeable cross-reference
interchangeable
599-48Interchangeable
interchangeable cross-reference
interchangeable
WW-P-471Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 219148?
219148 is a SHIELD,ELECTRON TUBE.
What parts can replace 219148?
There are 4 known substitutes for 219148: 7472340P6, 4180550-1, 599-48 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 219148?
219148 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-053-0234. 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