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MILH27267-1I — Technical Data Sheet

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— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE TUBE, temp_rating: -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF, exterior_color: NATURAL, vacuum_in_torr: 50.8, inside_diameter: 0.625 INCHES NOMINAL IN, outside_diameter: 0.789 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System under NSN 4720-00-857-1734, 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
MILH27267-1I
NSN: 4720-00-857-1734
FSC: 4720
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE TUBE
temp_rating-65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF
exterior_colorNATURAL
vacuum_in_torr50.8
inside_diameter0.625 INCHES NOMINAL IN
outside_diameter0.789 INCHES NOMINAL IN
special_featuresWEAPON SYSTEM ESSENTIAL
features_providedSELF-SEALING
operating_pressure1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
burst_test_pressure5000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
end_item_identificationGRUMMAN A10 AIRCRAFT
inside_surface_conditionSMOOTH
NSN4720-00-857-1734
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: MILH27267-1I · 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
•
INSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
FEATURES PROVIDED: SELF-SEALING
•
BURST TEST PRESSURE: 5000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
•
TEMP RATING: -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
LAYER COMPOSITION AND LOCATION: OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE TUBE
•
VACUUM IN TORR: 50.8
•
NONDEFINITIVE SPEC/STD DATA: 12 SIZE
TECHNICAL CHARACTERISTICS
INSIDE DIAMETER0.625 INCHES NOMINAL IN
FEATURES PROVIDEDSELF-SEALING
BURST TEST PRESSURE5000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
TEMP RATING-65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF
LAYER COMPOSITION AND LOCATIONOUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE TUBE
VACUUM IN TORR50.8
NONDEFINITIVE SPEC/STD DATA12 SIZE
CRITICALITY CODE JUSTIFICATIONFEAT
SPECIFICATION/STANDARD DATA81349-MIL-H-27267 GOVERNMENT SPECIFICATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
MILR2726-7InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-DTL-2726/7InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
M2726/7-001InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
666-8InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MS8005H150AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
4720PL1361533InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MILH27267-1I?
MILH27267-1I is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace MILH27267-1I?
There are 29 known substitutes for MILH27267-1I: MILR2726-7, MIL-DTL-2726/7, M2726/7-001 and 26 more. Substitute compatibility should be verified for your specific system.
Is MILH27267-1I still available?
MILH27267-1I is currently cancelled.
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Last verified: October 2026