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4638K822 — PLUG,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

4638K822: PLUG,PIPE.

The PLUG,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_type: SOLID, drive_end_style: RECESSED SQUARE, connection_style: PLAIN, thread_direction: RIGHT-HAND EXTERNAL, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-588-7699, 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
4638K822
NSN: 4730-01-588-7699
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_typeSOLID
drive_end_styleRECESSED SQUARE
connection_stylePLAIN
thread_directionRIGHT-HAND EXTERNAL
surface_treatmentZINC OVERALL
body_core_diameter0.370 INCHES NOMINAL IN
nominal_thread_size0.250 INCHES EXTERNAL IN
end_item_identification3825-01-577-2713; DISTRIBUTOR,WATER,TANK TYPE
thread_series_designatorNPTF EXTERNAL
nominal_pipe_size_for_which_designed0.250 INCHES IN
part_name_assigned_by_controlling_agencyZINC PLATED STEEL PIPE FITTING
NSN4730-01-588-7699
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4638K822 · 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
•
BODY CORE DIAMETER: 0.370 INCHES NOMINAL IN
•
HEAD TYPE: SOLID
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 0.250 INCHES IN
•
CONNECTION STYLE: PLAIN
•
DRIVE END STYLE: RECESSED SQUARE
•
THREAD DIRECTION: RIGHT-HAND EXTERNAL
•
NOMINAL THREAD SIZE: 0.250 INCHES EXTERNAL IN
•
SURFACE TREATMENT: ZINC OVERALL
TECHNICAL CHARACTERISTICS
BODY CORE DIAMETER0.370 INCHES NOMINAL IN
HEAD TYPESOLID
NOMINAL PIPE SIZE FOR WHICH DESIGNED0.250 INCHES IN
CONNECTION STYLEPLAIN
DRIVE END STYLERECESSED SQUARE
THREAD DIRECTIONRIGHT-HAND EXTERNAL
NOMINAL THREAD SIZE0.250 INCHES EXTERNAL IN
SURFACE TREATMENTZINC OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYZINC PLATED STEEL PIPE FITTING
END ITEM IDENTIFICATION3825-01-577-2713; DISTRIBUTOR,WATER,TANK TYPE
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4638K822?
4638K822 is a PLUG,PIPE.
What is the NSN for 4638K822?
4638K822 is cataloged in the U.S. Government catalog under NSN 4730-01-588-7699. This indicates validated use in U.S. government and defense supply chains.
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