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418424-1 — COUPLING,DRAIN,MANI

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

418424-1: COUPLING,DRAIN,MANI.

The COUPLING,DRAIN,MANI is a the manufacturer industrial component. Key specifications include material: STEEL, overall_length: 10.00 INCHES NOMINAL IN, special_features: AIRCRAFT LAUNCH AND RECOVERY EQUIPMENT (ALRE), supplementary_features: OUTSIDE DIAMETER OF 2 HOLES: 1.25"; INSIDE DIAMETER OF 2 HOLES: 0.437", end_item_identification: MK 2 NGL (FDNGL); NOSE-GEAR LAUNCH, specification/standard_data: 05047-ASME Y14.100 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-489-6256, 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
418424-1
NSN: 4730-00-489-6256
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 80020 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL (USA)
SPECIFICATIONS
materialSTEEL
overall_length10.00 INCHES NOMINAL IN
special_featuresAIRCRAFT LAUNCH AND RECOVERY EQUIPMENT (ALRE)
supplementary_featuresOUTSIDE DIAMETER OF 2 HOLES: 1.25"; INSIDE DIAMETER OF 2 HOLES: 0.437"
end_item_identificationMK 2 NGL (FDNGL); NOSE-GEAR LAUNCH
specification/standard_data05047-ASME Y14.100 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
criticality_code_justificationFEAT
part_name_assigned_by_controlling_agencyCOUPLING DRAIN MANIFOLD VALVE MANIFOLD ASSEMBLY
NSN4730-00-489-6256
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 418424-1 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: ASSEMBLY IS COMPRISED OF: P/N 418424-2, PIPE 2" SCH 160 X 70875 LONG, MATERIAL: STEEL PER MIL-P-24691/1, GRADE B, TYPE E, SEAMLESS PIPE, (QUANTITY 1); P/N 418424-3, BOSS, 1.250" DIAMETER X 1" LONG, MATERIAL: STEEL PER ASTM A108, GRADE 1020/1018 (QUANTITY 2); P/N A316213-8, THREAD PIECE (QUANTITY 1); P/N A316214-8, TAIL PIECE (QUANTITY 1); P/N A41420-8, NUT UNION (QUANTITY 1)
•
SUPPLEMENTARY FEATURES: OUTSIDE DIAMETER OF 2 HOLES: 1.25"; INSIDE DIAMETER OF 2 HOLES: 0.437"
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
SPECIFICATION/STANDARD DATA: 05047-ASME Y14.100 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
FUNCTIONAL DESCRIPTION: EACH FINISHED WELD SHALL BE 100% MAGNETIC PARTICLE INSPECTED I/A/W ASTM E1444/E1444M PERFORMED BY BOTH CIRCULAR AND LONGITUDINAL METHOD; THE WET PROCESS SHALL BE USED; WELDS SHALL MEET THE CLASS 1 REQUIREMENTS OF MIL-STD-2035 AND BASE METAL SHALL MEET THE REQUIREMENTS OF MIL-STD-2035; EXCEPT NO INDICATIONS GREATER THAN .062" ARE ACCEPTABLE; FINISH SHALL BE 250 (GRADE) UNLESS OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONASSEMBLY IS COMPRISED OF: P/N 418424-2, PIPE 2" SCH 160 X 70875 LONG, MATERIAL: STEEL PER MIL-P-24691/1, GRADE B, TYPE E, SEAMLESS PIPE, (QUANTITY 1); P/N 418424-3, BOSS, 1.250" DIAMETER X 1" LONG, MATERIAL: STEEL PER ASTM A108, GRADE 1020/1018 (QUANTITY 2); P/N A316213-8, THREAD PIECE (QUANTITY 1); P/N A316214-8, TAIL PIECE (QUANTITY 1); P/N A41420-8, NUT UNION (QUANTITY 1)
SUPPLEMENTARY FEATURESOUTSIDE DIAMETER OF 2 HOLES: 1.25"; INSIDE DIAMETER OF 2 HOLES: 0.437"
CRITICALITY CODE JUSTIFICATIONFEAT
OVERALL LENGTH10.00 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA05047-ASME Y14.100 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SPECIAL FEATURESAIRCRAFT LAUNCH AND RECOVERY EQUIPMENT (ALRE)
FUNCTIONAL DESCRIPTIONEACH FINISHED WELD SHALL BE 100% MAGNETIC PARTICLE INSPECTED I/A/W ASTM E1444/E1444M PERFORMED BY BOTH CIRCULAR AND LONGITUDINAL METHOD; THE WET PROCESS SHALL BE USED; WELDS SHALL MEET THE CLASS 1 REQUIREMENTS OF MIL-STD-2035 AND BASE METAL SHALL MEET THE REQUIREMENTS OF MIL-STD-2035; EXCEPT NO INDICATIONS GREATER THAN .062" ARE ACCEPTABLE; FINISH SHALL BE 250 (GRADE) UNLESS OTHERWISE SPECIFIED
PART NAME ASSIGNED BY CONTROLLING AGENCYCOUPLING DRAIN MANIFOLD VALVE MANIFOLD ASSEMBLY
END ITEM IDENTIFICATIONMK 2 NGL (FDNGL); NOSE-GEAR LAUNCH
MATERIALSTEEL
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 418424-1?
418424-1 is a COUPLING,DRAIN,MANI.
What is the NSN for 418424-1?
418424-1 is cataloged in the U.S. Government catalog under NSN 4730-00-489-6256. This indicates validated use in U.S. government and defense supply chains.
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