PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

35B5F-40/120F 81-11(12IN)1/2NPTThermometer,indicating,capillary

Palmer Instruments Inc. Dba Palmer Instruments Inc · NSN 6685-01-133-5529 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-133-5529 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-133-5529. Primary manufacturer part number: 35B5F-40/120F 81-11(12IN)1/2NPT.
Features
  • Thermometer,indicating,capillary — FSC 6685
  • Bulb Overall Length: 15.100 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING BULB
  • Material: STEEL CORROSION RESISTING METER CASE
  • Case Type: WATERPROOF
  • Active Portion Diameter: 0.310 INCHES NOMINAL IN
  • Bulb Type: FLEXIBLE CAPILLARY
  • Scale Type: DIAL
Applications
  • Applications requiring Steel Corrosion Resisting Bulb construction
General Description

The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-01-133-5529, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Palmer Instruments Inc. Dba Palmer Instruments Inc. Government technical data includes 15 verified specifications, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-133-5529
Primary Part Number35B5F-40/120F 81-11(12IN)1/2NPT
Item NameThermometer,indicating,capillary
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerPalmer Instruments Inc. Dba Palmer Instruments Inc
StatusACTIVE
Bulb Overall Length15.100 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING BULB
MaterialSTEEL CORROSION RESISTING METER CASE
Case TypeWATERPROOF
Active Portion Diameter0.310 INCHES NOMINAL IN
Bulb TypeFLEXIBLE CAPILLARY
Scale TypeDIAL
Scale Smallest Increment1.0 DEG FAHRENHEIT
Indicator Connection MethodFLEXIBLE TUBE
Bulb Quantity1
Active Portion Length12.700 INCHES NOMINAL IN
Features ProvidedZERO ADJUSTMENT
Flexible Tube Length64.500 INCHES NOMINAL IN
Case Diameter4.370 INCHES NOMINAL IN
Pointer/pen Type and Quantity1 INDICATING SINGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5920-00-156-083838789 INTERCHANGEABLE
Fuse,indicator Alarm
Stromberg-Carlson Corp a Plessey Telecommunications Co
5999-00-242-00783-5B INTERCHANGEABLE
Contact Assembly,electrical
Atb Laurence Scott Ltd
4720-00-278-492035B 1IN INTERCHANGEABLE
Hose,nonmetallic
Gates Corporation
4720-00-278-492435B 1-1/4IN INTERCHANGEABLE
Hose,nonmetallic
Gates Corporation
6240-01-006-125535B INTERCHANGEABLE
Lamp,incandescent
Micro Lamps Inc.
4610-01-198-447135B INTERCHANGEABLE
Water Purification Unit,unmounte
Sethco Div of Met Pro Corp
4140-01-199-9771 INTERCHANGEABLE
Fan
2090-01-284-4311804-5959312 INTERCHANGEABLE
Prop Assembly
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
35B Palmer Instruments Inc. Dba Palmer Instruments Inc (USA)
SM-D-884866 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
35B5F-40/120F 81-11(12IN)1/2NPT PRIMARY Palmer Instruments Inc. Dba Palmer Instruments Inc (USA)
Related Parts
5920-00-156-0838INTERCHANGEABLE
FUSE,INDICATOR ALARM
38789
5999-00-242-0078INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL
3-5B
4720-00-278-4920INTERCHANGEABLE
HOSE,NONMETALLIC
35B 1IN
4720-00-278-4924INTERCHANGEABLE
HOSE,NONMETALLIC
35B 1-1/4IN
6240-01-006-1255INTERCHANGEABLE
LAMP,INCANDESCENT
35B
4610-01-198-4471INTERCHANGEABLE
WATER PURIFICATION UNIT,UNMOUNTE
35B
4140-01-199-9771INTERCHANGEABLE
FAN
2090-01-284-4311INTERCHANGEABLE
PROP ASSEMBLY
804-5959312

Frequently Asked Questions

What is NSN 6685-01-133-5529?

NSN 6685-01-133-5529 is a Thermometer,indicating,capillary, manufactured by Palmer Instruments Inc. Dba Palmer Instruments Inc, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-133-5529?

NSN 6685-01-133-5529 has 3 cross-referenced part numbers: 35B (Palmer Instruments Inc. Dba Palmer Instruments Inc), SM-D-884866 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 35B5F-40/120F 81-11(12IN)1/2NPT (Palmer Instruments Inc. Dba Palmer Instruments Inc).

What NSN replaces 6685-01-133-5529?

There are 8 known substitutes for 6685-01-133-5529: 5920-00-156-0838, 5999-00-242-0078, 4720-00-278-4920 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 35B5F-40/120F 81-11(12IN)1/2NPT?

Key specifications for 35B5F-40/120F 81-11(12IN)1/2NPT: Bulb Overall Length: 15.100 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING BULB; Material: STEEL CORROSION RESISTING METER CASE; Case Type: WATERPROOF. 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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