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Technical Data Sheet
PartsTable / COMPONENT / H52-FB2
H52-FB2 ✓ 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 COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: STEEL AND COPPER ALLOY BODY, leg_length: 0.516 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN, overall_length: 2.219 INCHES NOMINAL IN, connection_type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION, connection_style: PLAIN ALL ENDS, style_designator: MALE COUPLING HALF. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-609-9962, 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
H52-FB2
NSN: 4730-00-609-9962
FSC: 4730
CAGE: 14233 — HOFMANN ENGINEERING CO INC (USA)
SPECIFICATIONS
materialSTEEL AND COPPER ALLOY BODY
leg_length0.516 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
overall_length2.219 INCHES NOMINAL IN
connection_typeTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
connection_stylePLAIN ALL ENDS
style_designatorMALE COUPLING HALF
nominal_thread_size0.250 INCHES ALL ENDS IN
quick_disconnect_methodSPRING PUSH-PULL ALL ENDS
thread_series_designatorNPT ALL ENDS
quick_disconnect_nominal_size0.562 INCHES ALL ENDS IN
NSN4730-00-609-9962
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: H52-FB2 · 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
•
QUICK DISCONNECT NOMINAL SIZE: 0.562 INCHES ALL ENDS IN
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
QUICK DISCONNECT METHOD: SPRING PUSH-PULL ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION
•
CONNECTION STYLE: PLAIN ALL ENDS
•
MATERIAL: STEEL AND COPPER ALLOY BODY
•
LEG LENGTH: 0.516 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
QUICK DISCONNECT NOMINAL SIZE0.562 INCHES ALL ENDS IN
STYLE DESIGNATORMALE COUPLING HALF
THREAD SERIES DESIGNATORNPT ALL ENDS
QUICK DISCONNECT METHODSPRING PUSH-PULL ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
CONNECTION STYLEPLAIN ALL ENDS
MATERIALSTEEL AND COPPER ALLOY BODY
LEG LENGTH0.516 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
CONNECTION TYPEINTERNAL QUICK DISCONNECT ALL ENDS
OVERALL LENGTH2.219 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
25CInterchangeable
interchangeable cross-reference
interchangeable
MIL-E-1/57Interchangeable
interchangeable cross-reference
interchangeable
6E5Interchangeable
interchangeable cross-reference
interchangeable
WC440TYPEPC4Interchangeable
interchangeable cross-reference
interchangeable
376-1019P3Interchangeable
interchangeable cross-reference
interchangeable
24CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H52-FB2?
H52-FB2 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace H52-FB2?
There are 20 known substitutes for H52-FB2: 25C, MIL-E-1/57, 6E5 and 17 more. Substitute compatibility should be verified for your specific system.
Is H52-FB2 still available?
H52-FB2 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026