PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

505465Impeller,water Bath Circulator

Precision Scientific Petroleum Instruments Co · NSN 6640-01-331-1948 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-01-331-1948 — this item is cataloged by the U.S. Government under National Stock Number 6640-01-331-1948. Primary manufacturer part number: 505465.
Features
  • Impeller,water Bath Circulator — FSC 6640
  • General Characteristics Item Description: FOR USE ON WATER BATH CIRCULATOR; MODEL 66590
  • Purchase Description Identification: 48619-505465
  • 1 verified cross-reference
  • Primary manufacturer: Precision Scientific Petroleum Instruments Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Impeller,water Bath Circulator, cataloged under National Stock Number 6640-01-331-1948, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Precision Scientific Petroleum Instruments Co. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6640-01-331-1948
Primary Part Number505465
Item NameImpeller,water Bath Circulator
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerPrecision Scientific Petroleum Instruments Co
StatusACTIVE
General Characteristics Item DescriptionFOR USE ON WATER BATH CIRCULATOR; MODEL 66590
Purchase Description Identification48619-505465
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5315-00-050-5465 INTERCHANGEABLE
Pin,straight,headless
5320-00-399-11325054-6-5 INTERCHANGEABLE
Pin-Rivet
L3harris Technologies, Inc. Div Space and Airborne Systems
7690-01-396-0855505465 INTERCHANGEABLE
Label
Donel Systems Llc
Cross-Reference Index
Part NumberManufacturer
505465 PRIMARY Precision Scientific Petroleum Instruments Co (USA)
Related Parts
5315-00-050-5465INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5320-00-399-1132INTERCHANGEABLE
PIN-RIVET
5054-6-5
7690-01-396-0855INTERCHANGEABLE
LABEL
505465

Frequently Asked Questions

What is NSN 6640-01-331-1948?

NSN 6640-01-331-1948 is a Impeller,water Bath Circulator, manufactured by Precision Scientific Petroleum Instruments Co, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-01-331-1948?

NSN 6640-01-331-1948 has 1 cross-referenced part number: 505465 (Precision Scientific Petroleum Instruments Co).

What NSN replaces 6640-01-331-1948?

There are 3 known substitutes for 6640-01-331-1948: 5315-00-050-5465, 5320-00-399-1132, 7690-01-396-0855. Verify interchangeability with system specifications before substitution.

What are the specifications of 505465?

Key specifications for 505465: General Characteristics Item Description: FOR USE ON WATER BATH CIRCULATOR; MODEL 66590; Purchase Description Identification: 48619-505465; Part Name Assigned by Controlling Agency: IMPELLER WATER BATH CIRCULATOR E.I. NSN 6640004715691; End Item Identification: 6640-00-471-5691. 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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