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Technical Data Sheet
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008351 ✓ 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 ADAPTER,STRAIGHT,PIPE TO HOSE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OR STEEL COMP 303SE, inside_diameter: 4.089 INCHES MINIMUM AND 4.097 INCHES MAXIMUM IN, outside_diameter: 4.246 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN, special_features: THREE SLOTS,0.093 IN. W X 0.031 IN.

DP,SPACED 120 DEG APART IN, overall_thickness: 0.157 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN, surface_treatment: OXIDE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-028-7021, 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
008351
NSN: 4730-00-028-7021
FSC: 4730
CAGE: 15823 — UNIFLITE INC (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OR STEEL COMP 303SE
inside_diameter4.089 INCHES MINIMUM AND 4.097 INCHES MAXIMUM IN
outside_diameter4.246 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN
special_featuresTHREE SLOTS,0.093 IN. W X 0.031 IN. DP,SPACED 120 DEG APART IN
overall_thickness0.157 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN
surface_treatmentOXIDE
material_document_and_classificationASTM A582 ASSN STD ALL MATERIAL RESPONSES
NSN4730-00-028-7021
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 008351 · 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
•
SEAT ANGLE: 30.0 DEGREES FIRST END
•
NOMINAL THREAD SIZE: 0.250 INCHES FIRST END IN
•
THREAD SERIES DESIGNATOR: NPTF FIRST END
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.250 INCHES SECOND END IN
•
NOMINAL OVERALL LENGTH: 1.594 INCHES IN
•
MATERIAL: COPPER ALLOY OVERALL
•
CONNECTION STYLE: INVERTED FLARE (PIPE) FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONBRF ENGINE, AIRCRAFT, TF39-GE-1 (C-5A);2320-01-442-1940,TRUCK,CBT,(COMMAND BRIDGE TRANSPORTER),3990-01-444-6174 BITUM DISTRIBUTOR A
SEAT ANGLE30.0 DEGREES FIRST END
NOMINAL THREAD SIZE0.250 INCHES FIRST END IN
THREAD SERIES DESIGNATORNPTF FIRST END
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.250 INCHES SECOND END IN
NOMINAL OVERALL LENGTH1.594 INCHES IN
MATERIALCOPPER ALLOY OVERALL
CONNECTION STYLEINVERTED FLARE (PIPE) FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
L-11Interchangeable
interchangeable cross-reference
interchangeable
111Interchangeable
interchangeable cross-reference
interchangeable
55-22119-67Interchangeable
interchangeable cross-reference
interchangeable
11BBInterchangeable
interchangeable cross-reference
interchangeable
MIL-K-21120Interchangeable
interchangeable cross-reference
interchangeable
L-11-2591Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 008351?
008351 is a ADAPTER,STRAIGHT,PIPE TO HOSE.
What parts can replace 008351?
There are 27 known substitutes for 008351: L-11, 111, 55-22119-67 and 24 more. Substitute compatibility should be verified for your specific system.
Is 008351 still available?
008351 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