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2531549 — HOSE ASSEMBLY,NONMETALLIC

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

2531549: HOSE ASSEMBLY,NONMETALLIC.

The HOSE ASSEMBLY,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1020, overall_width: 1.000 INCHES NOMINAL IN, overall_length: 4.000 INCHES NOMINAL IN, overall_thickness: 0.125 INCHES NOMINAL IN, end_item_identification: 3805-01-557-4003; BACKHOE LOADER, part_name_assigned_by_controlling_agency: HOSE AS. This part is cataloged in the U.S.

Government catalog under NSN 4720-01-569-6573, 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
2531549
NSN: 4720-01-569-6573
NIINs: 015696573, 015947136
FSC: 4720 — Hose and Flexible Tubing
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 1020
overall_width1.000 INCHES NOMINAL IN
overall_length4.000 INCHES NOMINAL IN
overall_thickness0.125 INCHES NOMINAL IN
end_item_identification3805-01-557-4003; BACKHOE LOADER
part_name_assigned_by_controlling_agencyHOSE AS
NSN4720-01-569-6573
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 2531549 · 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYHOSE AS
END ITEM IDENTIFICATION3805-01-557-4003; BACKHOE LOADER
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2531549?
2531549 is a HOSE ASSEMBLY,NONMETALLIC.
What is the NSN for 2531549?
2531549 is cataloged in the U.S. Government catalog under NSN 4720-01-569-6573. 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.