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PartsTable / COMPONENT / H9-3-8
H9-3-8 ✓ Verified by PartsTable
— · 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

The SEMICONDUCTOR DEVICE,PHOTO is a the manufacturer industrial component. Key specifications include material: STEEL COMP 601 OR STEEL COMP H11 OVERALL, nut_style: DOUBLE HEXAGON, lubrication: DRY FILM LUBRICANT, temp_rating: 450.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-081-7086, 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
H9-3-8
NSN: 4720-00-081-7086
FSC: 4720
CAGE: 77075 — CASTLE A M AND CO (USA)
SPECIFICATIONS
materialSTEEL COMP 601 OR STEEL COMP H11 OVERALL
nut_styleDOUBLE HEXAGON
lubricationDRY FILM LUBRICANT
temp_rating450.0 FAHRENHEIT MAXIMUM DEGF
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
overall_height0.500 INCHES MAXIMUM IN
hardness_rating45.0 ROCKWELL C MAXIMUM
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
washer_thickness0.074 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
NSN4720-00-081-7086
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: H9-3-8 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
6C6Interchangeable
interchangeable cross-reference
interchangeable
MILE1Interchangeable
interchangeable cross-reference
interchangeable
MIL-E-1/767Interchangeable
interchangeable cross-reference
interchangeable
A106Interchangeable
interchangeable cross-reference
interchangeable
74250333Interchangeable
interchangeable cross-reference
interchangeable
205GInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H9-3-8?
H9-3-8 is a SEMICONDUCTOR DEVICE,PHOTO.
What parts can replace H9-3-8?
There are 9 known substitutes for H9-3-8: 6C6, MILE1, MIL-E-1/767 and 6 more. Substitute compatibility should be verified for your specific system.
Is H9-3-8 still available?
H9-3-8 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026