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405667-01 — HEATER,DUCT TYPE,STATIONARY

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

405667-01: HEATER,DUCT TYPE,STATIONARY.

The HEATER,DUCT TYPE,STATIONARY is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, wall_thickness: 0.060 INCHES NOMINAL IN, working_length: 5.250 INCHES NOMINAL IN, inside_diameter: 6.000 INCHES NOMINAL IN, outside_diameter: 9.120 INCHES NOMINAL IN, style_designator: END HUMP. This part is cataloged in the U.S.

Government catalog under NSN 4720-01-474-0432, 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
405667-01
NSN: 4720-01-474-0432
FSC: 4720 — Hose and Flexible Tubing
CAGE: 63631 — BAE SYSTEMS CONTROLS INC. (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
wall_thickness0.060 INCHES NOMINAL IN
working_length5.250 INCHES NOMINAL IN
inside_diameter6.000 INCHES NOMINAL IN
outside_diameter9.120 INCHES NOMINAL IN
special_featuresREDUCER COUPLING FROM 9 INCH TO 6 INCH; SYNTHETIC RUBBER MATERIAL MUST BE RESISTANT TO SYNTHETIC TURBINE OIL, FUELS, AND SALTWATER (I.E. NITRILE AS FOUND IN PN 951213-77969) IN
style_designatorEND HUMP
features_providedENLARGED ENDS
nondefinitive_spec/std_data1 CLASS AND 60 GRADE
specification/standard_data81349-MIL-R-6855 GOVERNMENT SPECIFICATION AND 63631-DRAWING 405667 MANUFACTURERS SOURCE CONTROL
part_name_assigned_by_controlling_agencyCOUPLING, HOSE; REDUCER COUPLING
NSN4720-01-474-0432
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 405667-01 · 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
•
STYLE DESIGNATOR: END HUMP
•
WALL THICKNESS: 0.060 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 9.120 INCHES NOMINAL IN
•
FEATURES PROVIDED: ENLARGED ENDS
•
SPECIFICATION/STANDARD DATA: 81349-MIL-R-6855 GOVERNMENT SPECIFICATION AND 63631-DRAWING 405667 MANUFACTURERS SOURCE CONTROL
•
NONDEFINITIVE SPEC/STD DATA: 1 CLASS AND 60 GRADE
•
INSIDE DIAMETER: 6.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATOREND HUMP
WALL THICKNESS0.060 INCHES NOMINAL IN
OUTSIDE DIAMETER9.120 INCHES NOMINAL IN
FEATURES PROVIDEDENLARGED ENDS
SPECIFICATION/STANDARD DATA81349-MIL-R-6855 GOVERNMENT SPECIFICATION AND 63631-DRAWING 405667 MANUFACTURERS SOURCE CONTROL
NONDEFINITIVE SPEC/STD DATA1 CLASS AND 60 GRADE
INSIDE DIAMETER6.000 INCHES NOMINAL IN
SPECIAL FEATURESREDUCER COUPLING FROM 9 INCH TO 6 INCH; SYNTHETIC RUBBER MATERIAL MUST BE RESISTANT TO SYNTHETIC TURBINE OIL, FUELS, AND SALTWATER (I.E. NITRILE AS FOUND IN PN 951213-77969) IN
PART NAME ASSIGNED BY CONTROLLING AGENCYCOUPLING, HOSE; REDUCER COUPLING
MATERIALRUBBER SYNTHETIC OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
405667Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
PL405550-01-01 FN 37Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 405667-01?
405667-01 is a HEATER,DUCT TYPE,STATIONARY.
What parts can replace 405667-01?
There are 2 known substitutes for 405667-01: 405667, PL405550-01-01 FN 37. Substitute compatibility should be verified for your specific system.
What is the NSN for 405667-01?
405667-01 is cataloged in the U.S. Government catalog under NSN 4720-01-474-0432. 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.