PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12-7011Psychrometer

Bacharach, Inc. · NSN 6685-00-258-2257 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-258-2257 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-258-2257. Primary manufacturer part number: 12-7011.
Features
  • Psychrometer — FSC 6685
  • Operating Temp Range: +20.0 TO 120.0 FAHRENHEIT DEGF
  • Circulation Method: HAND SLING
  • Thermometer Filling Type: MERCURY
  • Sling Handle: INCLUDED
  • Magnifying Lens: NOT INCLUDED
  • Thermometer Quantity: 2
  • Engraved Thermometer Stem: INCLUDED
Applications
  • Applications requiring Plastic Cistern construction
General Description

The Psychrometer, cataloged under National Stock Number 6685-00-258-2257, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bacharach, Inc.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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: Active.

Technical Specifications
ParameterValue
NSN6685-00-258-2257
Primary Part Number12-7011
Item NamePsychrometer
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerBacharach, Inc.
StatusACTIVE
Operating Temp Range+20.0 TO 120.0 FAHRENHEIT DEGF
Circulation MethodHAND SLING
Thermometer Filling TypeMERCURY
Sling HandleINCLUDED
Magnifying LensNOT INCLUDED
Thermometer Quantity2
Engraved Thermometer StemINCLUDED
Graduation Interval1.0 DEG
Circulation TypeFORCED
MaterialPLASTIC CISTERN
MaterialPLASTIC LOCATION NOT OTHERWISE SPECIFIED
MaterialPLASTIC CARRYING CASE
Handle TypeSWIVEL
Overall Diameter1.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4820-00-508-289012701 INTERCHANGEABLE
Valve,shuttle
Saf Industries Llc Dba Saf Industries Llc Div Garkenyon
5355-01-055-3627 INTERCHANGEABLE
Dial,knob
6680-01-394-0861127011 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
9150-01-500-21903201-1996-250ML INTERCHANGEABLE
Lubricating Oil,gear
Sanden International/usa/inc
5340-01-502-794312701-1 INTERCHANGEABLE
Clamp,loop
Transdigm Inc Dba Adel Wiggins Group Div Adel Wiggins
Cross-Reference Index
Part NumberManufacturer
12-7011 PRIMARY Bacharach, Inc. (USA)
M0DELSAC Bacharach, Inc. (USA)
Related Parts
4820-00-508-2890INTERCHANGEABLE
VALVE,SHUTTLE
12701
5355-01-055-3627INTERCHANGEABLE
DIAL,KNOB
6680-01-394-0861INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
127011
9150-01-500-2190INTERCHANGEABLE
LUBRICATING OIL,GEAR
3201-1996-250ML
5340-01-502-7943INTERCHANGEABLE
CLAMP,LOOP
12701-1

Frequently Asked Questions

What is NSN 6685-00-258-2257?

NSN 6685-00-258-2257 is a Psychrometer, manufactured by Bacharach, Inc., classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-258-2257?

NSN 6685-00-258-2257 has 2 cross-referenced part numbers: 12-7011 (Bacharach, Inc.), M0DELSAC (Bacharach, Inc.).

What NSN replaces 6685-00-258-2257?

There are 5 known substitutes for 6685-00-258-2257: 4820-00-508-2890, 5355-01-055-3627, 6680-01-394-0861 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12-7011?

Key specifications for 12-7011: Operating Temp Range: +20.0 TO 120.0 FAHRENHEIT DEGF; Overall Length: 7.500 INCHES NOMINAL IN; Circulation Method: HAND SLING; Thermometer Filling Type: MERCURY. 15 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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