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221-524 — REACTOR ASY

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

221-524: REACTOR ASY.

The REACTOR ASY is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, connection_style: PLAIN (OPTIONAL END), style_designator: CAP, thread_direction: RIGHT-HAND INTERNAL, nominal_thread_size: 0.375 INCHES INTERNAL IN, thread_series_designator: NPT INTERNAL. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-231-2410, 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
221-524
NSN: 4730-00-231-2410
NIINs: 002312410, 003905983
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
materialIRON OVERALL
connection_stylePLAIN (OPTIONAL END)
style_designatorCAP
thread_directionRIGHT-HAND INTERNAL
nominal_thread_size0.375 INCHES INTERNAL IN
thread_series_designatorNPT INTERNAL
nondefinitive_spec/std_data1 TYPE
material_document_and_classificationASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
nominal_pipe_size_for_which_designed0.375 INCHES IN
NSN4730-00-231-2410
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 221-524 · 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 PIPE SIZE FOR WHICH DESIGNED: 0.375 INCHES IN
•
CONNECTION STYLE: PLAIN (OPTIONAL END)
•
STYLE DESIGNATOR: CAP
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND INTERNAL
•
NOMINAL THREAD SIZE: 0.375 INCHES INTERNAL IN
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE
•
MATERIAL: IRON OVERALL
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE FOR WHICH DESIGNED0.375 INCHES IN
CONNECTION STYLEPLAIN (OPTIONAL END)
STYLE DESIGNATORCAP
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND INTERNAL
NOMINAL THREAD SIZE0.375 INCHES INTERNAL IN
NONDEFINITIVE SPEC/STD DATA1 TYPE
MATERIALIRON OVERALL
THREAD SERIES DESIGNATORNPT INTERNAL
SUBSTITUTES & CROSS-REFERENCES 4
ASME B16.3Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
2CD764Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
WWP521TYPE1Reference document
Same NSN cross-reference
Reference document — Secondary reference
8654Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 221-524?
221-524 is a REACTOR ASY.
What parts can replace 221-524?
There are 4 known substitutes for 221-524: ASME B16.3, 2CD764, WWP521TYPE1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 221-524?
221-524 is cataloged in the U.S. Government catalog under NSN 4730-00-231-2410. This indicates validated use in U.S. government and defense supply chains.
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