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Technical Data Sheet
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D8952B — Technical Data Sheet

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— · 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 EXPANSION JOINT,PIPE is a the manufacturer industrial component. Key specifications include guide_type: EXTERNAL, joint_type: DOUBLE, design_type: CORRUGATED ELEMENT, overall_length: 62.875 INCHES NOMINAL IN, bolt_hole_diameter: 0.813 INCHES NOMINAL IN, bolt_hole_quantity: 15. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4730-00-529-2640, 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
D8952B
NSN: 4730-00-529-2640
FSC: 4730
CAGE: 15168 — CROLL-REYNOLDS ENGINEERING CO. INC. (USA)
SPECIFICATIONS
guide_typeEXTERNAL
joint_typeDOUBLE
design_typeCORRUGATED ELEMENT
overall_length62.875 INCHES NOMINAL IN
bolt_hole_diameter0.813 INCHES NOMINAL IN
bolt_hole_quantity15
end_connection_typeFLANGED
bolt_circle_diameter13.438 INCHES NOMINAL IN
traverse_maximum_length1.000 INCHES IN
working_pressure_rating50.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
equalization_characteristicNONEQUALIZING
nondefinitive_spec/std_data3 TYPE AND 2 CLASS
NSN4730-00-529-2640
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: D8952B · 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
•
GUIDE TYPE: EXTERNAL
•
WORKING PRESSURE RATING: 50.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
BOLT HOLE DIAMETER: 0.813 INCHES NOMINAL IN
•
NOMINAL PIPE SIZE DESIGNATION: 10.000 INCHES IN
•
TRAVERSE MAXIMUM LENGTH: 1.000 INCHES IN
•
EQUALIZATION CHARACTERISTIC: NONEQUALIZING
•
JOINT TYPE: DOUBLE
•
DESIGN TYPE: CORRUGATED ELEMENT
TECHNICAL CHARACTERISTICS
GUIDE TYPEEXTERNAL
WORKING PRESSURE RATING50.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
BOLT HOLE DIAMETER0.813 INCHES NOMINAL IN
NOMINAL PIPE SIZE DESIGNATION10.000 INCHES IN
TRAVERSE MAXIMUM LENGTH1.000 INCHES IN
EQUALIZATION CHARACTERISTICNONEQUALIZING
JOINT TYPEDOUBLE
DESIGN TYPECORRUGATED ELEMENT
END CONNECTION TYPEFLANGED
NONDEFINITIVE SPEC/STD DATA3 TYPE AND 2 CLASS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
SM-A-949433-27InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-DTL-17813InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
ME20200100001InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
D8953BInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MILE17813TYPE3CLASS2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-E-17813InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D8952B?
D8952B is a EXPANSION JOINT,PIPE.
What parts can replace D8952B?
There are 7 known substitutes for D8952B: SM-A-949433-27, MIL-DTL-17813, ME20200100001 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D8952B?
D8952B is cataloged in the Federal Logistics Information System under NSN 4730-00-529-2640. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026