PartsTable
Technical Data Sheet
B500621 ✓ 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 CONNECTOR BODY,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, seat_angle: 37.0 DEGREES FIRST END, reducer_type: CONCENTRIC, thread_class: 2B FIRST END, overall_length: 1.800 INCHES NOMINAL IN, connection_type: THREADED INTERNAL TUBE FIRST END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-060-9647, 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
B500621
NSN: 4730-01-060-9647
FSC: 4730
CAGE: 06442 — MIRION TECHNOLOGIES (CANBERRA), INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
seat_angle37.0 DEGREES FIRST END
reducer_typeCONCENTRIC
thread_class2B FIRST END
overall_length1.800 INCHES NOMINAL IN
connection_typeTHREADED INTERNAL TUBE FIRST END
connection_stylePLAIN (TUBE) SECOND END
special_featuresHOLD-DOWN BOARD; PLASTIC SHEET LAMINATED; GLASS EPOXY; WITH ALUMINUM STANDOFF
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.875 INCHES FIRST END IN
nominal_overall_length1.500 INCHES IN
end_item_identificationCLEARANCE DIVER BREATHING APPARATUS (CDBA)
NSN4730-01-060-9647
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: B500621 · 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
THREAD SERIES DESIGNATOR: UNF FIRST END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLE: PLAIN (TUBE) SECOND END
NOMINAL THREAD SIZE: 0.875 INCHES FIRST END IN
SURFACE TREATMENT: CADMIUM OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.625 INCHES FIRST END IN
CONNECTION TYPE: UNTHREADED INTERNAL TUBE SECOND END
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNF FIRST END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLEPLAIN (TUBE) SECOND END
NOMINAL THREAD SIZE0.875 INCHES FIRST END IN
SURFACE TREATMENTCADMIUM OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.625 INCHES FIRST END IN
CONNECTION TYPEUNTHREADED INTERNAL TUBE SECOND END
MATERIALSTEEL OVERALL
REDUCER TYPECONCENTRIC
SPECIAL FEATURESHAS 2 IN. SQUARE FLANGE IN CENTER W/4 0.281 IN. DIA HOLES 1.500 IN. ON CENTERS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
802005-004Interchangeable
interchangeable cross-reference
interchangeable
5006-21Interchangeable
interchangeable cross-reference
interchangeable
10408Interchangeable
interchangeable cross-reference
interchangeable
153704-09Interchangeable
interchangeable cross-reference
interchangeable
121-7326-108Interchangeable
interchangeable cross-reference
interchangeable
3947-6 21Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B500621?
B500621 is a CONNECTOR BODY,PLUG,ELECTRICAL.
What parts can replace B500621?
There are 10 known substitutes for B500621: 802005-004, 5006-21, 10408 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B500621?
B500621 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-060-9647. This indicates validated use in U.S. government and defense supply chains.
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