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D4149 — BUTTON,PLUG

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

D4149: BUTTON,PLUG.

The BUTTON,PLUG is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_style: CLINCH, nut_height: 0.550 INCHES NOMINAL IN, nut_diameter: 0.312 INCHES NOMINAL IN, pilot_length: 0.050 INCHES NOMINAL IN, thread_class: 2B. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-163-8517, 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
D4149
NSN: 5340-01-163-8517
NIINs: 011638517, 011771673
FSC: 5340 — Hardware, Commercial
CAGE: 57771 — EDWIN B. STIMPSON COMPANY, INC. DBA STIMPSON (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
nut_styleCLINCH
nut_height0.550 INCHES NOMINAL IN
nut_diameter0.312 INCHES NOMINAL IN
pilot_length0.050 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
pilot_diameter0.225 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.138 INCHES IN
counterbore_diameter0.182 INCHES NOMINAL FIRST END IN
NSN5340-01-163-8517
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D4149 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
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 D4149?
D4149 is a BUTTON,PLUG.
What is the NSN for D4149?
D4149 is cataloged in the U.S. Government catalog under NSN 5340-01-163-8517. This indicates validated use in U.S. government and defense supply chains.
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