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PartsTable / COMPONENT / B5H21
B5H21 ✓ 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 HOUSING ASSEMBLY,BELLOWS is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: CONSISTS OF COVER,BELLOWS AND BOTTOM FITTING IAW FSCM 60532 DWG NO.D400-2911. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-314-7216, 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
B5H21
NSN: 4730-00-314-7216
FSC: 4730
CAGE: 60532 — TRANE U.S. INC. DBA THE TRANE CO DIV TRANE HEADQUARTERS (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCONSISTS OF COVER,BELLOWS AND BOTTOM FITTING IAW FSCM 60532 DWG NO.D400-2911
NSN4730-00-314-7216
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: B5H21 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CONSISTS OF COVER,BELLOWS AND BOTTOM FITTING IAW FSCM 60532 DWG NO.D400-2911
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCONSISTS OF COVER,BELLOWS AND BOTTOM FITTING IAW FSCM 60532 DWG NO.D400-2911
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
40069Interchangeable
interchangeable cross-reference
interchangeable
45117Interchangeable
interchangeable cross-reference
interchangeable
A526Interchangeable
interchangeable cross-reference
interchangeable
GGG-C-755Interchangeable
interchangeable cross-reference
interchangeable
040069Interchangeable
interchangeable cross-reference
interchangeable
60268-40069Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B5H21?
B5H21 is a HOUSING ASSEMBLY,BELLOWS.
What parts can replace B5H21?
There are 6 known substitutes for B5H21: 40069, 45117, A526 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B5H21?
B5H21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-314-7216. 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: July 2026