PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P3744-12PAKPhosphate Buffered Saline Soluti

Sigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc · NSN 6550-01-389-7139 · FSC 6550 · No Item Name Available
Verified by PartsTable
NSN 6550-01-389-7139 — this item is cataloged by the U.S. Government under National Stock Number 6550-01-389-7139. Primary manufacturer part number: P3744-12PAK.
Features
  • Phosphate Buffered Saline Soluti — FSC 6550
  • Usage Design: FOR GENOCHEK AND FLUORESCENT MICROSCOPY
  • Primary Container Type: PACKAGE
  • 5 verified cross-references
  • Primary manufacturer: Sigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Phosphate Buffered Saline Soluti, cataloged under National Stock Number 6550-01-389-7139, is classified within Federal Supply Class 6550 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Sigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: PG.

Technical Specifications
ParameterValue
NSN6550-01-389-7139
Primary Part NumberP3744-12PAK
Item NamePhosphate Buffered Saline Soluti
FSC / FSG6550 / 65 — No Item Name Available
ManufacturerSigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc
StatusACTIVE
Usage DesignFOR GENOCHEK AND FLUORESCENT MICROSCOPY
Primary Container TypePACKAGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssuePG
Verified Substitutes 1
5331-01-178-597142759 INTERCHANGEABLE
O-Ring
Generac Mobile Products, Llc
Cross-Reference Index
Part NumberManufacturer
P3744-12PAK Sigma-Aldrich Corporation (USA)
P8033 Sigma-Aldrich Corporation (USA)
P3722 Sigma Chemical Co Sigma Diagnostics Div (USA)
P8033 Sigma Chemical Co Sigma Diagnostics Div (USA)
P3744-12PAK PRIMARY Sigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc (USA)
Related Parts
5331-01-178-5971INTERCHANGEABLE
O-RING
42759

Frequently Asked Questions

What is NSN 6550-01-389-7139?

NSN 6550-01-389-7139 is a Phosphate Buffered Saline Soluti, manufactured by Sigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc, classified under FSC 6550 (No Item Name Available). Status: active.

What are the part numbers for NSN 6550-01-389-7139?

NSN 6550-01-389-7139 has 5 cross-referenced part numbers: P3744-12PAK (Sigma-Aldrich Corporation), P8033 (Sigma-Aldrich Corporation), P3722 (Sigma Chemical Co Sigma Diagnostics Div), P8033 (Sigma Chemical Co Sigma Diagnostics Div), P3744-12PAK (Sigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc).

What NSN replaces 6550-01-389-7139?

There is 1 known substitute for 6550-01-389-7139: 5331-01-178-5971. Verify interchangeability with system specifications before substitution.

What are the specifications of P3744-12PAK?

Key specifications for P3744-12PAK: Special Features: PHOSPHATE BUFFERED SALINE (DRY POWDER BLENDS) 12 PKGS; EACH PACKAGE PREPARES 1 LITER OF SOLUTION CONTAINING SODIUM CHLORIDE (120 MMOL), POTASSIUM CHLORIDE (2.7 MMOL) AND PHOSPHATE BUFFER SALTS (10 MMOL). PH 7.6 AT 25 DEG. C; Usage Design: FOR GENOCHEK AND FLUORESCENT MICROSCOPY; Primary Container Type: PACKAGE; Part Name Assigned by Controlling Agency: PHOSPHATE BUFERED SALINE SOL F/GENOCHEK&FLUORESCENT MICROSCOPE 12S. 4 total characteristics are documented in the Federal Logistics Information System.

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