PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73122Reference Standard,carbon Residu

Alcor Petroleum Instruments Inc · NSN 6640-01-509-7078 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-01-509-7078 — this item is cataloged by the U.S. Government under National Stock Number 6640-01-509-7078. Primary manufacturer part number: 73122.
Features
  • Reference Standard,carbon Residu — FSC 6640
  • 1 verified cross-reference
  • Primary manufacturer: Alcor Petroleum Instruments Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reference Standard,carbon Residu, cataloged under National Stock Number 6640-01-509-7078, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Alcor Petroleum Instruments Inc. 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
NSN6640-01-509-7078
Primary Part Number73122
Item NameReference Standard,carbon Residu
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerAlcor Petroleum Instruments Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6210-00-500-469373-122 INTERCHANGEABLE
Hanger,lighting Fixture
Hyundai Ideal Electric Co.
3040-01-066-1219 INTERCHANGEABLE
Shaft,shouldered
5120-01-398-924473122 INTERCHANGEABLE
Screwdriver,cross Tip
General Services Administration Federal Supply Service
Cross-Reference Index
Part NumberManufacturer
73122 Alcor Petroleum Instruments Inc (USA)
Related Parts
6210-00-500-4693INTERCHANGEABLE
HANGER,LIGHTING FIXTURE
73-122
3040-01-066-1219INTERCHANGEABLE
SHAFT,SHOULDERED
5120-01-398-9244INTERCHANGEABLE
SCREWDRIVER,CROSS TIP
73122

Frequently Asked Questions

What is NSN 6640-01-509-7078?

NSN 6640-01-509-7078 is a Reference Standard,carbon Residu, manufactured by Alcor Petroleum Instruments Inc, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-01-509-7078?

NSN 6640-01-509-7078 has 1 cross-referenced part number: 73122 (Alcor Petroleum Instruments Inc).

What NSN replaces 6640-01-509-7078?

There are 3 known substitutes for 6640-01-509-7078: 6210-00-500-4693, 3040-01-066-1219, 5120-01-398-9244. Verify interchangeability with system specifications before substitution.

What are the specifications of 73122?

Key specifications for 73122: End Item Identification: USED ON MCRT-140 MICROCARBON RESIDUE TESTER; Special Features: 1 OZ CARBON RESIDUE REFERENCE SAMPLE; LOW, 0.3 PCT CARBON OZ. 2 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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