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PartsTable / COMPONENT / NIPPLE1 1-4X3 1-2
NIPPLE1 1-4X3 1-2 ✓ 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 NIPPLE,PIPE is a the manufacturer industrial component. Key specifications include length: 0.875 INCHES NOMINAL IN, diameter: 0.250 INCHES NOMINAL IN, material: COPPER ALLOY OVERALL, thread_length: 0.250 INCHES NOMINAL RIGHT INTERNAL IN, special_features: USE WITH STANDOFF 1888, style_designator: HINGED, THREADED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-9454, 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
NIPPLE1 1-4X3 1-2
NSN: 4730-00-277-9454
FSC: 4730
CAGE: 14959 — CRANE CO DIV VALVE DIV (USA)
SPECIFICATIONS
length0.875 INCHES NOMINAL IN
diameter0.250 INCHES NOMINAL IN
materialCOPPER ALLOY OVERALL
thread_length0.250 INCHES NOMINAL RIGHT INTERNAL IN
special_featuresUSE WITH STANDOFF 1888
style_designatorHINGED, THREADED
thread_directionRIGHT-HAND RIGHT INTERNAL
surface_treatmentZINC AND GOLD OVERALL
nominal_thread_size0.164 INCHES RIGHT INTERNAL IN
cross-sectional_shapeROUND
thread_pitch_diameters-0.087 TO 0.087 INCHES RIGHT INTERNAL IN
end_item_identificationB-1
NSN4730-00-277-9454
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: NIPPLE1 1-4X3 1-2 · 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 17
WWN351TYPE2Interchangeable
interchangeable cross-reference
interchangeable
WW-N-351Interchangeable
interchangeable cross-reference
interchangeable
MS51873-108BInterchangeable
interchangeable cross-reference
interchangeable
13218E0600-168Interchangeable
interchangeable cross-reference
interchangeable
ASTM-A733Interchangeable
interchangeable cross-reference
interchangeable
219509Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NIPPLE1 1-4X3 1-2?
NIPPLE1 1-4X3 1-2 is a NIPPLE,PIPE.
What parts can replace NIPPLE1 1-4X3 1-2?
There are 17 known substitutes for NIPPLE1 1-4X3 1-2: WWN351TYPE2, WW-N-351, MS51873-108B and 14 more. Substitute compatibility should be verified for your specific system.
Is NIPPLE1 1-4X3 1-2 still available?
NIPPLE1 1-4X3 1-2 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