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6990424 — BOLT,FLUID PASSAGE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

6990424: BOLT,FLUID PASSAGE.

The BOLT,FLUID PASSAGE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304, body_style: PLAIN, overall_length: 2.500 INCHES NOMINAL IN, width_across_flats: 1.438 INCHES NOMINAL IN, first_end_seat_angle: 37.0 DEGREES NOMINAL, first_end_thread_class: 2A A. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-433-2638, 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
6990424
NSN: 4730-01-433-2638
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 304
body_stylePLAIN
overall_length2.500 INCHES NOMINAL IN
width_across_flats1.438 INCHES NOMINAL IN
first_end_seat_angle37.0 DEGREES NOMINAL
first_end_thread_class2A A
end_item_identificationTORPEDO,ADCAP 48
first_end_thread_length0.308 INCHES NOMINAL IN
wrenching_feature_styleSQUARE
concentric_hole_diameter0.500 INCHES NOMINAL IN
wrenching_feature_height1.438 INCHES NOMINAL IN
first_end_connection_typeTHREADED EXTERNAL TUBE
NSN4730-01-433-2638
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 6990424 · 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: UNF
•
WIDTH ACROSS FLATS: 1.438 INCHES NOMINAL IN
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
BODY STYLE: PLAIN
•
FIRST END THREAD CLASS: 2A A
•
FIRST END STYLE DESIGNATOR: FLARED
•
WRENCHING FEATURE HEIGHT: 1.438 INCHES NOMINAL IN
•
FIRST END THREAD LENGTH: 0.308 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FIRST END THREAD SERIES DESIGNATORUNF
WIDTH ACROSS FLATS1.438 INCHES NOMINAL IN
FIRST END THREAD DIRECTIONRIGHT-HAND
BODY STYLEPLAIN
FIRST END THREAD CLASS2A A
FIRST END STYLE DESIGNATORFLARED
WRENCHING FEATURE HEIGHT1.438 INCHES NOMINAL IN
FIRST END THREAD LENGTH0.308 INCHES NOMINAL IN
WRENCHING FEATURE STYLESQUARE
OVERALL LENGTH2.500 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6990424?
6990424 is a BOLT,FLUID PASSAGE.
What is the NSN for 6990424?
6990424 is cataloged in the U.S. Government catalog under NSN 4730-01-433-2638. This indicates validated use in U.S. government and defense supply chains.
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