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39490 — SPRING

✓ Government record, cited
Clementoni · HOSE FITTING
PRODUCT OVERVIEW

39490: SPRING.

The SPRING is a Clementoni industrial component. Key specifications include material: STEEL, body_style: STEPPED, head_diameter: 0.500 INCHES NOMINAL IN, overall_length: 1.687 INCHES NOMINAL IN, surface_treatment: CADMIUM, concentric_hole_depth: 1.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-167-4148, 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
39490
NSN: 4730-00-167-4148
NIINs: 001674148, 007173543
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 00198 — PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. (CAN)
SPECIFICATIONS
materialSTEEL
body_styleSTEPPED
head_diameter0.500 INCHES NOMINAL IN
overall_length1.687 INCHES NOMINAL IN
surface_treatmentCADMIUM
concentric_hole_depth1.375 INCHES NOMINAL IN
first_end_thread_class3A A
first_end_thread_length0.625 INCHES NOMINAL IN
wrenching_feature_styleROUND
concentric_hole_diameter0.093 INCHES NOMINAL IN
wrenching_feature_height0.187 INCHES NOMINAL IN
first_end_connection_typeTHREADED EXTERNAL TUBE
NSN4730-00-167-4148
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 39490 · Clementoni ⚠ 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
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FIRST END THREAD SERIES DESIGNATOR: UNF
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF FIRST DIAMETER: 0.063 INCHES NOMINAL IN
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SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 81343-AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE
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BODY STYLE: STEPPED
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FIRST END THREAD CLASS: 3A A
•
FIRST END STYLE DESIGNATOR: PLAIN
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CONCENTRIC HOLE DEPTH: 1.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FIRST END THREAD SERIES DESIGNATORUNF
FIRST END THREAD DIRECTIONRIGHT-HAND
LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF FIRST DIAMETER0.063 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION81343-AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE
BODY STYLESTEPPED
FIRST END THREAD CLASS3A A
FIRST END STYLE DESIGNATORPLAIN
CONCENTRIC HOLE DEPTH1.375 INCHES NOMINAL IN
WRENCHING FEATURE HEIGHT0.187 INCHES NOMINAL IN
FIRST END THREAD LENGTH0.625 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 39490?
39490 is a SPRING manufactured by Clementoni.
What is the NSN for 39490?
39490 is cataloged in the U.S. Government catalog under NSN 4730-00-167-4148. This indicates validated use in U.S. government and defense supply chains.
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