PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100-575Bottle,stopper

Sklar Corporation Dba Sklar Instruments · NSN 6640-00-721-9386 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-721-9386 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-721-9386. Primary manufacturer part number: 100-575.
Features
  • Bottle,stopper — FSC 6640
  • Capacity Rating: 1.0 GALLONS
  • Closure Type: STOPPER
  • Closure Size for Which Designed: NO. 13 RUBBER STOPPER
  • Color: COLORLESS
  • Material: GLASS LOCATION NOT OTHERWISE SPECIFIED
  • Shape: ROUND
  • Glass Type: FLINT
Applications
  • Applications requiring Glass Location Not Otherwise Specified construction
General Description

The Bottle,stopper, cataloged under National Stock Number 6640-00-721-9386, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Sklar Corporation Dba Sklar Instruments. Government technical data includes 8 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6640-00-721-9386
Primary Part Number100-575
Item NameBottle,stopper
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerSklar Corporation Dba Sklar Instruments
StatusACTIVE
Capacity Rating1.0 GALLONS
Closure TypeSTOPPER
Closure Size for Which DesignedNO. 13 RUBBER STOPPER
ColorCOLORLESS
MaterialGLASS LOCATION NOT OTHERWISE SPECIFIED
ShapeROUND
Glass TypeFLINT
Overall Diameter6.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5950-00-005-2527920011-19 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
2915-00-365-3657100575 INTERCHANGEABLE
Parts Kit,pump,leakproof
Triumph Engine Control Systems Llc
5310-00-383-4677SN10 INTERCHANGEABLE
Nut,plain,slotted,hexagon
Dana Off Highway Products, Llc
5940-01-114-4228001-1007-470 INTERCHANGEABLE
Terminal,feedthru
Itt Cannon Rf Products
3120-01-478-2873CRXL1.25EMKBG INTERCHANGEABLE
Parts Kit,bearing Replacement,me
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
5355-01-676-6089100575 INTERCHANGEABLE
Knob
Rex Systems Incorporated Dba Rex Systems Inc
Cross-Reference Index
Part NumberManufacturer
100-575 PRIMARY Sklar Corporation Dba Sklar Instruments (USA)
Related Parts
5950-00-005-2527INTERCHANGEABLE
COIL,RADIO FREQUENCY
920011-19
2915-00-365-3657INTERCHANGEABLE
PARTS KIT,PUMP,LEAKPROOF
100575
5310-00-383-4677INTERCHANGEABLE
NUT,PLAIN,SLOTTED,HEXAGON
SN10
5940-01-114-4228INTERCHANGEABLE
TERMINAL,FEEDTHRU
001-1007-470
3120-01-478-2873INTERCHANGEABLE
PARTS KIT,BEARING REPLACEMENT,ME
CRXL1.25EMKBG
5355-01-676-6089INTERCHANGEABLE
KNOB
100575

Frequently Asked Questions

What is NSN 6640-00-721-9386?

NSN 6640-00-721-9386 is a Bottle,stopper, manufactured by Sklar Corporation Dba Sklar Instruments, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-00-721-9386?

NSN 6640-00-721-9386 has 1 cross-referenced part number: 100-575 (Sklar Corporation Dba Sklar Instruments).

What NSN replaces 6640-00-721-9386?

There are 6 known substitutes for 6640-00-721-9386: 5950-00-005-2527, 2915-00-365-3657, 5310-00-383-4677 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100-575?

Key specifications for 100-575: Capacity Rating: 1.0 GALLONS; Closure Type: STOPPER; Closure Size for Which Designed: NO. 13 RUBBER STOPPER; Color: COLORLESS. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com