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PartsTable / COMPONENT / N-100 1/2IN STW
N-100 1/2IN STW ✓ 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 N-100 1/2IN STW is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-142-1786, 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
N-100 1/2IN STW
NSN: 4730-01-142-1786
FSC: 4730
CAGE: 53059 — SPIRAX SARCO INC DBA SPIRAX SARCO (USA)
SPECIFICATIONS
Part NumberN-100 1/2IN STW
NSN4730-01-142-1786
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: N-100 1/2IN STW · 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 16
K4551-2Interchangeable
interchangeable cross-reference
interchangeable
MILT2118Interchangeable
interchangeable cross-reference
interchangeable
D4456Interchangeable
interchangeable cross-reference
interchangeable
S791N11-2Interchangeable
interchangeable cross-reference
interchangeable
C2C1960Interchangeable
interchangeable cross-reference
interchangeable
1633-37-30PC135Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N-100 1/2IN STW?
N-100 1/2IN STW is a N-100 1/2IN STW.
What parts can replace N-100 1/2IN STW?
There are 16 known substitutes for N-100 1/2IN STW: K4551-2, MILT2118, D4456 and 13 more. Substitute compatibility should be verified for your specific system.
Is N-100 1/2IN STW still available?
N-100 1/2IN STW 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