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1883687C1 — HOSE ASSEMBLY,AIR BREATHING

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

1883687C1: HOSE ASSEMBLY,AIR BREATHING.

The HOSE ASSEMBLY,AIR BREATHING is a the manufacturer industrial component. Key specifications include outside_length: 4.750 INCHES NOMINAL BOTH ENDS IN, wall_thickness: 0.170 INCHES MINIMUM AND 0.170 INCHES MINIMUM AND 0.250 INCHES MAXIMUM0.250 INCHES MAXIMUM IN, inside_diameter: 1.000 INCHES NOMINAL BOTH ENDS IN, end_item_identification: MRAP; MRAP - MAXXPRO DASH ISS W/OGPK AND W/CROWS, part_name_assigned_by_controlling_agency: BREATHER TUBE EXTENSION HOSE. This part is cataloged in the U.S.

Government catalog under NSN 4720-01-576-7890, 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
1883687C1
NSN: 4720-01-576-7890
FSC: 4720 — Hose and Flexible Tubing
CAGE: 338X5 — ND DEFENSE LLC (USA)
SPECIFICATIONS
outside_length4.750 INCHES NOMINAL BOTH ENDS IN
wall_thickness0.170 INCHES MINIMUM AND 0.170 INCHES MINIMUM AND 0.250 INCHES MAXIMUM0.250 INCHES MAXIMUM IN
inside_diameter1.000 INCHES NOMINAL BOTH ENDS IN
end_item_identificationMRAP; MRAP - MAXXPRO DASH ISS W/OGPK AND W/CROWS
part_name_assigned_by_controlling_agencyBREATHER TUBE EXTENSION HOSE
NSN4720-01-576-7890
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 1883687C1 · 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
•
OUTSIDE LENGTH: 4.750 INCHES NOMINAL BOTH ENDS IN
•
WALL THICKNESS: 0.170 INCHES MINIMUM AND 0.170 INCHES MINIMUM AND 0.250 INCHES MAXIMUM0.250 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 1.000 INCHES NOMINAL BOTH ENDS IN
TECHNICAL CHARACTERISTICS
OUTSIDE LENGTH4.750 INCHES NOMINAL BOTH ENDS IN
WALL THICKNESS0.170 INCHES MINIMUM AND 0.170 INCHES MINIMUM AND 0.250 INCHES MAXIMUM0.250 INCHES MAXIMUM IN
INSIDE DIAMETER1.000 INCHES NOMINAL BOTH ENDS IN
PART NAME ASSIGNED BY CONTROLLING AGENCYBREATHER TUBE EXTENSION HOSE
END ITEM IDENTIFICATIONMRAP; MRAP - MAXXPRO DASH ISS W/OGPK AND W/CROWS
OTHER ITEMS IN FSC 4720 — Hose and Flexible Tubing
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4720-00-000-0080 4720-00-000-0081 4720-00-000-0084 4720-00-000-0724 4720-00-001-0014 4720-00-001-0015 4720-00-001-0023 4720-00-001-0025
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 1883687C1?
1883687C1 is a HOSE ASSEMBLY,AIR BREATHING.
What is the NSN for 1883687C1?
1883687C1 is cataloged in the U.S. Government catalog under NSN 4720-01-576-7890. 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.