PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 4-F-B
4-F-B ✓ 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: COPPER ALLOY BODY, leg_length: 0.469 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN, overall_length: 1.625 INCHES MINIMUM AND 1.906 INCHES MAXIMUM IN, connection_type: INTERNAL QUICK DISCONNECT ALL ENDS, connection_style: PLAIN ALL ENDS, style_designator: MALE COUPLING HALF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-317-4217, 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
4-F-B
NSN: 4730-00-317-4217
FSC: 4730
CAGE: 14233 — HOFMANN ENGINEERING CO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
leg_length0.469 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
overall_length1.625 INCHES MINIMUM AND 1.906 INCHES MAXIMUM IN
connection_typeINTERNAL QUICK DISCONNECT ALL ENDS
connection_stylePLAIN ALL ENDS
style_designatorMALE COUPLING HALF
nominal_thread_size0.500 INCHES ALL ENDS IN
quick_disconnect_methodSPRING PUSH-PULL ALL ENDS
thread_series_designatorNPT ALL ENDS
quick_disconnect_nominal_size0.703 INCHES ALL ENDS IN
NSN4730-00-317-4217
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4-F-B · 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
•
LEG LENGTH: 0.469 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
CONNECTION STYLE: PLAIN ALL ENDS
•
MATERIAL: COPPER ALLOY BODY
•
NOMINAL THREAD SIZE: 0.500 INCHES ALL ENDS IN
•
CONNECTION TYPE: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION
•
QUICK DISCONNECT NOMINAL SIZE: 0.703 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
LEG LENGTH0.469 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
STYLE DESIGNATORMALE COUPLING HALF
THREAD SERIES DESIGNATORNPT ALL ENDS
CONNECTION STYLEPLAIN ALL ENDS
MATERIALCOPPER ALLOY BODY
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS IN
CONNECTION TYPETHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
QUICK DISCONNECT NOMINAL SIZE0.703 INCHES ALL ENDS IN
CONNECTION TYPEINTERNAL QUICK DISCONNECT ALL ENDS
QUICK DISCONNECT METHODSPRING PUSH-PULL ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
23569Interchangeable
interchangeable cross-reference
interchangeable
M1215BInterchangeable
interchangeable cross-reference
interchangeable
L101YInterchangeable
interchangeable cross-reference
interchangeable
K8025Interchangeable
interchangeable cross-reference
interchangeable
011155268Interchangeable
interchangeable cross-reference
interchangeable
530051Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 4-F-B?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 4-F-B?
4-F-B is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 4-F-B?
There are 12 known substitutes for 4-F-B: 23569, M1215B, L101Y and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4-F-B?
4-F-B is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-317-4217. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 4-F-B

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026