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Technical Data Sheet
PartsTable / COMPONENT / J308
J308 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The CLAMP,HOSE is a the manufacturer industrial component. Key specifications include color: BLACK, material: STEEL OVERALL, shank_style: STRAIGHT, shank_length: 0.344 INCHES NOMINAL IN, overall_depth: 0.516 INCHES NOMINAL IN, overall_width: 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-203-9766, 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
J308
NSN: 4730-00-203-9766
FSC: 4730
CAGE: 70847 — BAND-IT-IDEX INC UNIT OF IDEX CORP (USA)
SPECIFICATIONS
colorBLACK
materialSTEEL OVERALL
shank_styleSTRAIGHT
shank_length0.344 INCHES NOMINAL IN
overall_depth0.516 INCHES NOMINAL IN
overall_width0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
shank_diameter0.812 INCHES NOMINAL IN
inside_diameter0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
outside_diameter1.125 INCHES NOMINAL IN
screw_drive_typeHEXAGON SOCKET
style_designatorROUND
attachment_methodSETSCREWS
NSN4730-00-203-9766
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: J308 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FASTENING DEVICE TYPE: BUCKLE
•
INSIDE DIAMETER: 2.219 INCHES MINIMUM AND 2.422 INCHES MAXIMUM IN
•
SURFACE TREATMENT: ZINC OVERALL
•
STYLE DESIGNATOR: ADJUSTABLE BAND
•
SPECIFICATION/STANDARD DATA: 81343-WW-C-440 GOVERNMENT SPECIFICATION
•
NONDEFINITIVE SPEC/STD DATA: H TYPE AND 1A TABLE A
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
FASTENING DEVICE TYPEBUCKLE
INSIDE DIAMETER2.219 INCHES MINIMUM AND 2.422 INCHES MAXIMUM IN
SURFACE TREATMENTZINC OVERALL
STYLE DESIGNATORADJUSTABLE BAND
SPECIFICATION/STANDARD DATA81343-WW-C-440 GOVERNMENT SPECIFICATION
NONDEFINITIVE SPEC/STD DATAH TYPE AND 1A TABLE A
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
884Interchangeable
interchangeable cross-reference
interchangeable
DP2S29Interchangeable
interchangeable cross-reference
interchangeable
984Interchangeable
interchangeable cross-reference
interchangeable
BS1010PC7Interchangeable
interchangeable cross-reference
interchangeable
BS1315PC7Interchangeable
interchangeable cross-reference
interchangeable
BS5-1514PC8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is J308?
J308 is a CLAMP,HOSE.
What parts can replace J308?
There are 24 known substitutes for J308: 884, DP2S29, 984 and 21 more. Substitute compatibility should be verified for your specific system.
Is J308 still available?
J308 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