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402422 — PARTS KIT,AIR BRAKE SYSTEM

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

402422: PARTS KIT,AIR BRAKE SYSTEM.

The PARTS KIT,AIR BRAKE SYSTEM is a the manufacturer industrial component. Key specifications include material: STEEL, overall_width: 3.156 INCHES NOMINAL IN, overall_height: 1.500 INCHES NOMINAL IN, overall_length: 8.375 INCHES NOMINAL IN, special_features: FOUR 0.701 IN. LG BY 0.155 IN.

DIA POSTS IN, surface_treatment: PASSIVATE. This part is cataloged in the U.S. Government catalog under NSN 4720-00-489-8240, 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→ 402422
NSN: 4720-00-489-8240
NIINs: 004898240, 010339279, 013774205
FSC: 4720 — Hose and Flexible Tubing
CAGE: 35311 — AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV (USA)
SPECIFICATIONS
materialSTEEL
overall_width3.156 INCHES NOMINAL IN
overall_height1.500 INCHES NOMINAL IN
overall_length8.375 INCHES NOMINAL IN
special_featuresFOUR 0.701 IN. LG BY 0.155 IN. DIA POSTS IN
surface_treatmentPASSIVATE
end_item_identificationTAC-TMDS
NSN4720-00-489-8240
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 402422 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CONSISTS OF HOSE ASSEMBLY,NONMETALLIC 1,HOSE UNION 1,JAM NUT 1,AXLE TEE 1,MACHINE SCREW 1,NUT 1,LOCKWASHER 2,AXLE TEE PLUG,TEE BRACKET 1
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCONSISTS OF HOSE ASSEMBLY,NONMETALLIC 1,HOSE UNION 1,JAM NUT 1,AXLE TEE 1,MACHINE SCREW 1,NUT 1,LOCKWASHER 2,AXLE TEE PLUG,TEE BRACKET 1
SUBSTITUTES & CROSS-REFERENCES 1
402422NReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 402422?
402422 is a PARTS KIT,AIR BRAKE SYSTEM. It is classified as a MRO (MRO_GENERAL).
What parts can replace 402422?
There is 1 known substitute for 402422: 402422N. Substitute compatibility should be verified for your specific system.
What is the NSN for 402422?
402422 is cataloged in the U.S. Government catalog under NSN 4720-00-489-8240. 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.