PartsTable
Technical Data Sheet
B2808-74 ✓ 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 REDUCER,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, reducer_type: CONCENTRIC, thread_class: 2A FIRST END A, connection_type: THREADED EXTERNAL PIPE SECOND END, connection_style: GASKET SEAL (PIPE) FIRST END, special_features: BULKHEAD THD 0.875IN-UNEF-2A,FIRST END; WEAPON SYSTEM ESSENTIAL A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-753-6271, 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
B2808-74
NSN: 4730-00-753-6271
FSC: 4730
CAGE: 16128 — GICHNER SYSTEMS GROUP INC GICHNER MOBILIZER DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
reducer_typeCONCENTRIC
thread_class2A FIRST END A
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_styleGASKET SEAL (PIPE) FIRST END
special_featuresBULKHEAD THD 0.875IN-UNEF-2A,FIRST END; WEAPON SYSTEM ESSENTIAL A
surface_treatmentZINC OUTSIDE
nominal_thread_size0.500 INCHES SECOND END IN
nominal_overall_length1.688 INCHES IN
end_item_identificationAIRCRAFT C-5 GALAXY; CRANE,WHL,MTD
thread_series_designatorNPT AND UNEF FIRST END
criticality_code_justificationFEAT
NSN4730-00-753-6271
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: B2808-74 · 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
CRITICALITY CODE JUSTIFICATION: FEAT
CONNECTION STYLE: PLAIN (PIPE) SECOND END
NOMINAL OVERALL LENGTH: 1.688 INCHES IN
SURFACE TREATMENT: ZINC OUTSIDE
THREAD SERIES DESIGNATOR: NPT AND UNEF FIRST END
REDUCER TYPE: CONCENTRIC
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONFEAT
END ITEM IDENTIFICATIONAIRCRAFT C-5 GALAXY; CRANE,WHL,MTD
CONNECTION STYLEPLAIN (PIPE) SECOND END
NOMINAL OVERALL LENGTH1.688 INCHES IN
SURFACE TREATMENTZINC OUTSIDE
THREAD SERIES DESIGNATORNPT AND UNEF FIRST END
REDUCER TYPECONCENTRIC
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
SURFACE TREATMENTZINC INSIDE
SPECIAL FEATURESBULKHEAD THD 0.875IN-UNEF-2A,FIRST END; WEAPON SYSTEM ESSENTIAL A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
11-3-11Interchangeable
interchangeable cross-reference
interchangeable
9986909Interchangeable
interchangeable cross-reference
interchangeable
707-5021Interchangeable
interchangeable cross-reference
interchangeable
69-2597Interchangeable
interchangeable cross-reference
interchangeable
30719Interchangeable
interchangeable cross-reference
interchangeable
RS1016Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B2808-74?
B2808-74 is a REDUCER,PIPE.
What parts can replace B2808-74?
There are 21 known substitutes for B2808-74: 11-3-11, 9986909, 707-5021 and 18 more. Substitute compatibility should be verified for your specific system.
Is B2808-74 still available?
B2808-74 is currently cancelled.
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