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Technical Data Sheet
PartsTable / MRO / RC21
RC21 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include material: PLASTIC, POLYETHYLENE (PP), body_length: 0.416 INCHES NOMINAL IN, body_diameter: 0.161 INCHES NOMINAL IN, terminal_type: WIRE LEAD, inclosure_type: ENCAPSULATED, terminal_length: 1.375 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-196-1502, 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
MRO→ MRO_GENERAL→ RC21
NSN: 4730-00-196-1502
FSC: 4730
CAGE: 89646 — SANSTORM INC (USA)
SPECIFICATIONS
materialPLASTIC, POLYETHYLENE (PP)
body_length0.416 INCHES NOMINAL IN
body_diameter0.161 INCHES NOMINAL IN
terminal_typeWIRE LEAD
inclosure_typeENCAPSULATED
terminal_length1.375 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
overall_diameter1.540 INCHES NOMINAL IN
special_featuresCOLOR RED:TO FIT THREAD SIZE 1.312
style_designatorAXIAL TERMINAL EACH END
electrical_resistance47.000 OHMS
reliability_indicatorNOT ESTABLISHED
inside_diameter_length0.900 INCHES NOMINAL IN
NSN4730-00-196-1502
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: RC21 · 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 28
D9484-59-7Interchangeable
interchangeable cross-reference
interchangeable
44615K422Interchangeable
interchangeable cross-reference
interchangeable
3523Interchangeable
interchangeable cross-reference
interchangeable
MILR39017-2Interchangeable
interchangeable cross-reference
interchangeable
051104-0031Interchangeable
interchangeable cross-reference
interchangeable
RLR20C470GRInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RC21?
RC21 is a RESISTOR,FIXED,WIRE WOUND,INDUCT. It is classified as a MRO (MRO_GENERAL).
What parts can replace RC21?
There are 28 known substitutes for RC21: D9484-59-7, 44615K422, 3523 and 25 more. Substitute compatibility should be verified for your specific system.
Is RC21 still available?
RC21 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