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3811-3-7 — Technical Data Sheet

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— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

CATHETER AND NEEDLE UNIT,INTRAVE. Key specifications include material: STEEL CORROSION RESISTING NEEDLE, tip_type: SHORT BEVEL POINT, connector_type: FEMALE LUER LOCK OR FEMALE LUER SLIP, style_designator: INTRAVENOUS CATHETER AND NEEDLE UNIT, design_designation: INTRAVENOUS, catheter_nominal_length: 2.000 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-209-0574, 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
3811-3-7
NSN: 5310-00-209-0574
FSC: 5310
CAGE: 21900 — FEDERAL DIV OF VICTOREEN INSTRUMENT CO INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING NEEDLE
tip_typeSHORT BEVEL POINT
connector_typeFEMALE LUER LOCK OR FEMALE LUER SLIP
style_designatorINTRAVENOUS CATHETER AND NEEDLE UNIT
design_designationINTRAVENOUS
catheter_nominal_length2.000 INCHES IN
part_name_assigned_by_controlling_agencyCATHETER & NDL UNIT D12 IV 20 GAGE X 2" CATH RADPQ SHORT BEVEL TIP 50S
NSN5310-00-209-0574
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3811-3-7 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THICKNESS: 0.032 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: COPPER ALLOY OVERALL
•
SURFACE TREATMENT: NICKEL OVERALL
•
OVERALL DIAMETER: 0.375 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.172 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
THICKNESS0.032 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALCOPPER ALLOY OVERALL
SURFACE TREATMENTNICKEL OVERALL
OVERALL DIAMETER0.375 INCHES NOMINAL IN
HOLE DIAMETER0.172 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
70017Interchangeable
interchangeable cross-reference
interchangeable
512015Interchangeable
interchangeable cross-reference
interchangeable
0198 3508Interchangeable
interchangeable cross-reference
interchangeable
18343Interchangeable
interchangeable cross-reference
interchangeable
8711164 ITEM 4Interchangeable
interchangeable cross-reference
interchangeable
8711164-04Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3811-3-7?
3811-3-7 is a CATHETER AND NEEDLE UNIT,INTRAVE.
What parts can replace 3811-3-7?
There are 19 known substitutes for 3811-3-7: 70017, 512015, 0198 3508 and 16 more. Substitute compatibility should be verified for your specific system.
Is 3811-3-7 still available?
3811-3-7 is currently cancelled.
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Last verified: September 2026