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MPA336 — CAP,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

MPA336: CAP,PIPE.

The CAP,PIPE 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: 0.500 INCHES INTERNAL IN, thread_series_designator: NPT INTERNAL. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-231-2411, 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
MPA336
NSN: 4730-00-231-2411
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 91340 — MET-PRO CORPORATION (USA)
SPECIFICATIONS
materialIRON OVERALL
connection_stylePLAIN (OPTIONAL END)
style_designatorCAP
thread_directionRIGHT-HAND INTERNAL
nominal_thread_size0.500 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_designed0.500 INCHES IN
NSN4730-00-231-2411
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MPA336 · 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: 0.500 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: 0.500 INCHES INTERNAL IN
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE
•
MATERIAL: IRON OVERALL
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE FOR WHICH DESIGNED0.500 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 SIZE0.500 INCHES INTERNAL IN
NONDEFINITIVE SPEC/STD DATA1 TYPE
MATERIALIRON OVERALL
THREAD SERIES DESIGNATORNPT INTERNAL
SUBSTITUTES & CROSS-REFERENCES 2
53963Reference document
Same NSN cross-reference
Reference document — Secondary reference
WWP521Reference document
Same NSN cross-reference
Reference document — Identification reference
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 MPA336?
MPA336 is a CAP,PIPE.
What parts can replace MPA336?
There are 2 known substitutes for MPA336: 53963, WWP521. Substitute compatibility should be verified for your specific system.
What is the NSN for MPA336?
MPA336 is cataloged in the U.S. Government catalog under NSN 4730-00-231-2411. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.