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BB2148 — ADAPTER,STRAIGHT,PIPE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

BB2148: ADAPTER,STRAIGHT,PIPE TO BOSS.

The ADAPTER,STRAIGHT,PIPE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 2B SECOND END, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: PLAIN (PIPE) FIRST END, special_features: 0.062 IN. BLEED HOLE LOCATED 1.375 IN.

FROM SECOND END IN, surface_treatment: OXIDE OVERALL. This part is cataloged in the U.S. Government catalog under NSN 4730-00-350-7622, 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
BB2148
NSN: 4730-00-350-7622
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class2B SECOND END
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_stylePLAIN (PIPE) FIRST END
special_features0.062 IN. BLEED HOLE LOCATED 1.375 IN. FROM SECOND END IN
surface_treatmentOXIDE OVERALL
nominal_thread_size0.250 INCHES FIRST END IN
nominal_overall_length8.750 INCHES IN
thread_series_designatorNPT FIRST END
NSN4730-00-350-7622
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: BB2148 · 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
•
CONNECTION STYLE: GASKET SEAL (BOSS) SECOND END
•
NOMINAL OVERALL LENGTH: 8.750 INCHES IN
•
CONNECTION TYPE: THREADED INTERNAL BOSS SECOND END
•
NOMINAL THREAD SIZE: 0.437 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEGASKET SEAL (BOSS) SECOND END
CONNECTION STYLEPLAIN (PIPE) FIRST END
NOMINAL OVERALL LENGTH8.750 INCHES IN
CONNECTION TYPETHREADED INTERNAL BOSS SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
NOMINAL THREAD SIZE0.437 INCHES SECOND END IN
NOMINAL THREAD SIZE0.250 INCHES FIRST END IN
SPECIAL FEATURES0.062 IN. BLEED HOLE LOCATED 1.375 IN. FROM SECOND END IN
SURFACE TREATMENTOXIDE OVERALL
THREAD CLASS2B SECOND END
SUBSTITUTES & CROSS-REFERENCES 7
2UU0729Reference document
Same NSN cross-reference
Reference document — Secondary reference
153033Reference document
Same NSN cross-reference
Reference document — Secondary reference
11733Reference document
Same NSN cross-reference
Reference document — Secondary reference
1B7515Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
BB21428Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
42845BSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BB2148?
BB2148 is a ADAPTER,STRAIGHT,PIPE TO BOSS.
What parts can replace BB2148?
There are 7 known substitutes for BB2148: 2UU0729, 153033, 11733 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BB2148?
BB2148 is cataloged in the U.S. Government catalog under NSN 4730-00-350-7622. This indicates validated use in U.S. government and defense supply chains.
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