PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40564Gage,liquid Quantity,float Type

Sullair Corp · NSN 6680-00-138-8943 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-138-8943 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-138-8943. Primary manufacturer part number: 40564.
Features
  • Gage,liquid Quantity,float Type — FSC 6680
  • Mounting Method: FLANGE
  • 3 verified cross-references
  • Primary manufacturer: Sullair Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Gage,liquid Quantity,float Type, cataloged under National Stock Number 6680-00-138-8943, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Sullair Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-00-138-8943
Primary Part Number40564
Item NameGage,liquid Quantity,float Type
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerSullair Corp
StatusACTIVE
Mounting MethodFLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3455-00-243-217911880 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
2990-00-337-0015040564 INTERCHANGEABLE
Sleeve Assembly,term Inal
Woodward, Inc.
5120-00-340-2010J4056-4 INTERCHANGEABLE
Jaw,mechanical Puller
The Stanley Works Dba Stanley Proto
4730-00-966-650240-564 INTERCHANGEABLE
Plug,seal
Industrial Design Laboratories Inc
3455-01-063-8788CNMP-432 E-NN55 INTERCHANGEABLE
Insert,cutting Tool
Newcomer Products Inc
Cross-Reference Index
Part NumberManufacturer
40564 PRIMARY Sullair Corp (USA)
L-1-5/16-WELD-12 Krueger Sentry Gauge Co. Inc. (USA)
L-1-F Krueger Sentry Gauge Co. Inc. (USA)
Related Parts
3455-00-243-2179INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11880
2990-00-337-0015INTERCHANGEABLE
SLEEVE ASSEMBLY,TERM INAL
040564
5120-00-340-2010INTERCHANGEABLE
JAW,MECHANICAL PULLER
J4056-4
4730-00-966-6502INTERCHANGEABLE
PLUG,SEAL
40-564
3455-01-063-8788INTERCHANGEABLE
INSERT,CUTTING TOOL
CNMP-432 E-NN55

Frequently Asked Questions

What is NSN 6680-00-138-8943?

NSN 6680-00-138-8943 is a Gage,liquid Quantity,float Type, manufactured by Sullair Corp, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-00-138-8943?

NSN 6680-00-138-8943 has 3 cross-referenced part numbers: 40564 (Sullair Corp), L-1-5/16-WELD-12 (Krueger Sentry Gauge Co. Inc.), L-1-F (Krueger Sentry Gauge Co. Inc.).

What NSN replaces 6680-00-138-8943?

There are 5 known substitutes for 6680-00-138-8943: 3455-00-243-2179, 2990-00-337-0015, 5120-00-340-2010 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40564?

Key specifications for 40564: Special Features: FOR 12 IN. TANK DEPTH IN; Mounting Method: FLANGE; End Item Identification: 10001. 3 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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