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5224187 — BOLT,FLUID PASSAGE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

5224187: BOLT,FLUID PASSAGE.

The BOLT,FLUID PASSAGE is a the manufacturer industrial component. Key specifications include material: STEEL, overall_length: 7.812 INCHES NOMINAL IN, width_across_flats: 1.740 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN, concentric_hole_depth: 6.500 INCHES NOMINAL IN, first_end_thread_class: 2A A, first_end_thread_length: 0.969 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-522-4187, 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
5224187
NSN: 4730-00-522-4187
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
materialSTEEL
overall_length7.812 INCHES NOMINAL IN
special_features0.188 IN. NOM. THIRD RADIAL FLUIDHOLE DIA. 2.625 IN. NOM. DISTANCE FROMTHIRD RADIAL HOLE CENTER TO END OF BOLT; 1.625 IN. NOM. DISTANCE FROM FOURTH RADIAL HOLE CENTER TO END OF BOLT IN
width_across_flats1.740 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
concentric_hole_depth6.500 INCHES NOMINAL IN
first_end_thread_class2A A
first_end_thread_length0.969 INCHES NOMINAL IN
wrenching_feature_styleHEXAGON
concentric_hole_diameter0.344 INCHES NOMINAL IN
cotter_pin_hole_diameter0.140 INCHES NOMINAL IN
wrenching_feature_height0.500 INCHES NOMINAL IN
first_end_thread_directionRIGHT-HAND
NSN4730-00-522-4187
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 5224187 · 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
•
FIRST END THREAD SERIES DESIGNATOR: UNS
•
WIDTH ACROSS FLATS: 1.740 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF FIRST DIAMETER: 6.156 INCHES NOMINAL IN
•
THIRD DIAMETER FROM WRENCHING FEATURE: 0.910 INCHES NOMINAL IN
•
FIRST END THREAD CLASS: 2A A
•
COTTER PIN HOLE DIAMETER: 0.140 INCHES NOMINAL IN
•
FIRST END THREAD QUANTITY PER INCH: 14
TECHNICAL CHARACTERISTICS
FIRST END THREAD SERIES DESIGNATORUNS
WIDTH ACROSS FLATS1.740 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
FIRST END THREAD DIRECTIONRIGHT-HAND
LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF FIRST DIAMETER6.156 INCHES NOMINAL IN
THIRD DIAMETER FROM WRENCHING FEATURE0.910 INCHES NOMINAL IN
FIRST END THREAD CLASS2A A
COTTER PIN HOLE DIAMETER0.140 INCHES NOMINAL IN
FIRST END THREAD QUANTITY PER INCH14
LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF THIRD DIAMETER6.344 INCHES NOMINAL IN
SECOND DIAMETER FROM WRENCHING FEATURE1.000 INCHES NOMINAL IN
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES 1
A224187Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5224187?
5224187 is a BOLT,FLUID PASSAGE.
What parts can replace 5224187?
There is 1 known substitute for 5224187: A224187. Substitute compatibility should be verified for your specific system.
What is the NSN for 5224187?
5224187 is cataloged in the U.S. Government catalog under NSN 4730-00-522-4187. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.