PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73458Cup,grease Dropping

Precision Scientific Petroleum Instruments Co · NSN 6640-00-403-9349 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-403-9349 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-403-9349. Primary manufacturer part number: 73458.
Features
  • Cup,grease Dropping — FSC 6640
  • 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 Cup,grease Dropping, cataloged under National Stock Number 6640-00-403-9349, 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. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameCup,grease Dropping
FSC / FSG6640 — No Item Name Available (FSG 66)
ManufacturersPrecision Scientific Petroleum Instruments Co (CAGE 48619)
Technical Specifications
ParameterValue
NSN6640-00-403-9349
Primary Part Number73458
Item NameCup,grease Dropping
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerPrecision Scientific Petroleum Instruments Co
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
4720-00-056-9573203-5920-9 INTERCHANGEABLE
Hose Assembly,metallic
Senior Operations Llc Div Senior Aerospace Ssp
3110-00-100-0302 INTERCHANGEABLE
Cup,tapered Roller Bearing
2810-00-201-150373458 INTERCHANGEABLE
Rod Assy,push,intak
Textron Lycoming Inc Williamsport Plant
2915-00-896-732373458 INTERCHANGEABLE
Tube Assy,torsion
Triumph Engine Control Systems Llc
5996-01-603-9983073458-0000-000 INTERCHANGEABLE
Amplifier,radio Frequency
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
73458 PRIMARY Precision Scientific Petroleum Instruments Co (USA)
Related Parts
4720-00-056-9573INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
203-5920-9
3110-00-100-0302INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
2810-00-201-1503INTERCHANGEABLE
ROD ASSY,PUSH,INTAK
73458
2915-00-896-7323INTERCHANGEABLE
TUBE ASSY,TORSION
73458
5996-01-603-9983INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
073458-0000-000

Frequently Asked Questions

What is NSN 6640-00-403-9349?

NSN 6640-00-403-9349 is a Cup,grease Dropping, manufactured by Precision Scientific Petroleum Instruments Co, classified under FSC 6640 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6640-00-403-9349?

NSN 6640-00-403-9349 has 1 cross-referenced part number: 73458 (Precision Scientific Petroleum Instruments Co).

What NSN replaces 6640-00-403-9349?

There are 5 known substitutes for 6640-00-403-9349: 4720-00-056-9573, 3110-00-100-0302, 2810-00-201-1503 and 2 more. Verify interchangeability with system specifications before substitution.

Is NSN 6640-00-403-9349 still in active supply?

NSN 6640-00-403-9349 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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