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MIL-PRF-62028 — HOSE,AIR DUCT

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

MIL-PRF-62028: HOSE,AIR DUCT.

The HOSE,AIR DUCT is a the manufacturer industrial component. Key specifications include material: RUBBER ALL PLIES, temp_rating: -65.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF, inside_diameter: 4.000 INCHES NOMINAL BOTH ENDS IN, outside_diameter: 4.187 INCHES NOMINAL BOTH ENDS IN, features_provided: OZONE RESISTANT AND FUNGUS RESISTANT TREATMENT, operating_pressure: 12.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS. This part is cataloged in the U.S.

Government catalog under NSN 4720-00-031-7604, 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
MIL-PRF-62028
NSN: 4720-00-031-7604
NIINs: 000317604, 005357615, 008825624, 011976934, 011991484, 014370693, 014404260, 014552419, 014552421, 014946065, 014972646, 014993647, 015418111, 017237871
FSC: 4720 — Hose and Flexible Tubing
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER ALL PLIES
temp_rating-65.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF
inside_diameter4.000 INCHES NOMINAL BOTH ENDS IN
outside_diameter4.187 INCHES NOMINAL BOTH ENDS IN
features_providedOZONE RESISTANT AND FUNGUS RESISTANT TREATMENT
operating_pressure12.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
end_item_identificationMK5MOD2,SEQ LAUN
cross-sectional_shape_styleROUND
measuring_method_and_length12.000 INCHES NOMINAL OVERALL IN
nondefinitive_spec/std_data1 CLASS AND 1 TYPE
material_document_and_classificationASTM D380 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE ALL PLIES
part_name_assigned_by_controlling_agencyHOSE, AIR DUCT: HIGH TEMPERATURE FLEXIBLE, REINFORCED
NSN4720-00-031-7604
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: MIL-PRF-62028 · 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
•
MEASURING METHOD AND LENGTH: 96.000 INCHES NOMINAL OVERALL IN
•
MINIMUM INSIDE BENDING RADIUS: 4.000 INCHES IN
•
CONNECTION STYLE: ROUND BOTH ENDS
•
CONNECTION TYPE: SOFT BOTH ENDS
•
STYLE DESIGNATOR: HELICALLY WOUND CONTINOUS WIRE SUPPORTED
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OPERATING PRESSURE: 5.0 POUNDS PER SQUARE INCH (PSI) NOMINAL EXTERNAL LBS
•
FEATURES PROVIDED: OZONE RESISTANT
TECHNICAL CHARACTERISTICS
MEASURING METHOD AND LENGTH96.000 INCHES NOMINAL OVERALL IN
MINIMUM INSIDE BENDING RADIUS4.000 INCHES IN
CONNECTION STYLEROUND BOTH ENDS
CONNECTION TYPESOFT BOTH ENDS
STYLE DESIGNATORHELICALLY WOUND CONTINOUS WIRE SUPPORTED
CROSS-SECTIONAL SHAPE STYLEROUND
OPERATING PRESSURE5.0 POUNDS PER SQUARE INCH (PSI) NOMINAL EXTERNAL LBS
FEATURES PROVIDEDOZONE RESISTANT
NONDEFINITIVE SPEC/STD DATA3 TYPE AND 3 CLASS
INSIDE DIAMETER4.000 INCHES NOMINAL FIRST END IN
SUBSTITUTES & CROSS-REFERENCES 6
FLX-2001-32-384-8Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
FT-9309-16-384Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
M6202823646896Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MIL-H-62028Reference document
Same NSN cross-reference
Reference document — Secondary reference
SCEETS-16-384-8Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
700630-300Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MIL-PRF-62028?
MIL-PRF-62028 is a HOSE,AIR DUCT.
What parts can replace MIL-PRF-62028?
There are 6 known substitutes for MIL-PRF-62028: FLX-2001-32-384-8, FT-9309-16-384, M6202823646896 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-PRF-62028?
MIL-PRF-62028 is cataloged in the U.S. Government catalog under NSN 4720-00-031-7604. 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.