PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6431Test Tube,blood Collecting

Becton, Dickinson and Co Dba Becton Dickinson & Co · NSN 6640-01-051-4944 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-01-051-4944 — this item is cataloged by the U.S. Government under National Stock Number 6640-01-051-4944. Primary manufacturer part number: 6431.
Features
  • Test Tube,blood Collecting — FSC 6640
  • Supplementary Features: MEDSEP ITEM FOR DOD,BECTON DICKINSON
  • Features Provided: PRELABELED AND SILICONE COATED
  • Criticality Code Justification: SUPP
  • Material: GLASS BOROSILICATE
  • 9 verified cross-references
  • Primary manufacturer: Becton, Dickinson and Co Dba Becton Dickinson & Co
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Glass Borosilicate construction
General Description

The Test Tube,blood Collecting, cataloged under National Stock Number 6640-01-051-4944, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Becton, Dickinson and Co Dba Becton Dickinson & Co. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6640-01-051-4944
Primary Part Number6431
Item NameTest Tube,blood Collecting
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerBecton, Dickinson and Co Dba Becton Dickinson & Co
StatusCANCELLED
Supplementary FeaturesMEDSEP ITEM FOR DOD,BECTON DICKINSON
Features ProvidedPRELABELED AND SILICONE COATED
Criticality Code JustificationSUPP
MaterialGLASS BOROSILICATE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6680-00-085-7589643-1 INTERCHANGEABLE
Indicator,flow
Ametek Inc Schutte and Koerting Div
5950-00-137-4728990-016-91 INTERCHANGEABLE
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Ametek Programmable Power, Inc.
3110-00-156-5451018-7804 INTERCHANGEABLE
Bearing,ball,annular
Marathon Le Tourneau Co
5310-00-209-1521 INTERCHANGEABLE
Washer,lock
5970-00-215-38941069981 INTERCHANGEABLE
Insulator,field Con
Chrysler Realty Company Llc Dba Daimler Chrysler
6130-00-235-1000SM-D-96985 INTERCHANGEABLE
Vibrator,interrupter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5945-00-349-7028643-1 INTERCHANGEABLE
Relay,solid State
Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/
4820-00-446-3237401341ITEM89 INTERCHANGEABLE
Valve,angle
Johnson Controls Navy Systems, Llc
5950-00-583-452210-60030-2 INTERCHANGEABLE
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4820-00-662-883964-31 INTERCHANGEABLE
Seat,valve
Dresser Industries Inc Leroi Div
Cross-Reference Index
Part NumberManufacturer
387-332 Curtin Matheson Scientific Inc (USA)
02-685B Fisher Scientific Company L.l.c. (USA)
B3038-53 Baxter Healthcare Corp Baxter Scientific Products Div Government Sales (USA)
6431 PRIMARY Becton, Dickinson and Co Dba Becton Dickinson & Co (USA)
B2983-52 Baxter Healthcare Corp Baxter Scientific Products Div Government Sales (USA)
VACUTAINER Becton, Dickinson and Co Dba Becton Dickinson & Co (USA)
T-204S PRIMARY Terumo Medical Corp (USA)
TET-204S PRIMARY Terumo Medical Corp (USA)
6431/A3204 Becton, Dickinson and Co Dba Becton Dickinson & Co (USA)
Related Parts
6680-00-085-7589INTERCHANGEABLE
INDICATOR,FLOW
643-1
5950-00-137-4728INTERCHANGEABLE
TRANSFORMER,ELECTRI
990-016-91
3110-00-156-5451INTERCHANGEABLE
BEARING,BALL,ANNULAR
018-7804
5310-00-209-1521INTERCHANGEABLE
WASHER,LOCK
5970-00-215-3894INTERCHANGEABLE
INSULATOR,FIELD CON
1069981
6130-00-235-1000INTERCHANGEABLE
VIBRATOR,INTERRUPTER
SM-D-96985
5945-00-349-7028INTERCHANGEABLE
RELAY,SOLID STATE
643-1
4820-00-446-3237INTERCHANGEABLE
VALVE,ANGLE
401341ITEM89
5950-00-583-4522INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
10-60030-2
4820-00-662-8839INTERCHANGEABLE
SEAT,VALVE
64-31
5930-00-904-6724INTERCHANGEABLE
SWITCH,PRESSURE
6431-2-100
6640-01-046-7794INTERCHANGEABLE
TEST TUBE,BLOOD COLLECTING
6451/A3204Q

Frequently Asked Questions

What is NSN 6640-01-051-4944?

NSN 6640-01-051-4944 is a Test Tube,blood Collecting, manufactured by Becton, Dickinson and Co Dba Becton Dickinson & Co, classified under FSC 6640 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6640-01-051-4944?

NSN 6640-01-051-4944 has 9 cross-referenced part numbers: 387-332 (Curtin Matheson Scientific Inc), 02-685B (Fisher Scientific Company L.l.c.), B3038-53 (Baxter Healthcare Corp Baxter Scientific Products Div Government Sales), 6431 (Becton, Dickinson and Co Dba Becton Dickinson & Co), B2983-52 (Baxter Healthcare Corp Baxter Scientific Products Div Government Sales) and 4 more.

What NSN replaces 6640-01-051-4944?

There are 12 known substitutes for 6640-01-051-4944: 6680-00-085-7589, 5950-00-137-4728, 3110-00-156-5451 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6431?

Key specifications for 6431: Overall Length: 100.0 MILLIMETERS NOMINAL MM; Supplementary Features: MEDSEP ITEM FOR DOD,BECTON DICKINSON; Features Provided: PRELABELED AND SILICONE COATED; Part Name Assigned by Controlling Agency: TUBE,BLOOD COLLECTING. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6640-01-051-4944 still in active supply?

NSN 6640-01-051-4944 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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