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49-4785 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

49-4785: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include length: 175.0 MILLIMETERS NOMINAL MM, material: TITANIUM OVERALL, thread_length: 5.0 MILLIMETERS MM, part_name_assigned_by_controlling_agency: SCREW BONE 5MM THREAD LENGTH 175MM LGSELF-DRILLING LARGE BONE MM. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-381-9838, 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
49-4785
NSN: 5340-01-381-9838
NIINs: 013819838, 014245915
FSC: 5340 — Hardware, Commercial
CAGE: 14153 — DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA (USA)
SPECIFICATIONS
length175.0 MILLIMETERS NOMINAL MM
materialTITANIUM OVERALL
thread_length5.0 MILLIMETERS MM
special_featuresSELF-DRILLING; SCHANZ STYLE; EXTERNAL FIXATION ORTHOPEDIC SCREW; USED FOR STABILIZATION AND FIXATION OF LARGE BONE FRACTURES; DESIGNED TO BE COMPATIBLE W/ALL EXTERNAL FIXATION DEVICE SYSTEMS
part_name_assigned_by_controlling_agencySCREW BONE 5MM THREAD LENGTH 175MM LGSELF-DRILLING LARGE BONE MM
NSN5340-01-381-9838
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 49-4785 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
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 49-4785?
49-4785 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 49-4785?
49-4785 is cataloged in the U.S. Government catalog under NSN 5340-01-381-9838. This indicates validated use in U.S. government and defense supply chains.
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