PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77-2Thermometer,self-Indicating

Princo Instruments, Inc · NSN 6685-00-894-4515 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-894-4515 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-894-4515. Primary manufacturer part number: 77-2.
Features
  • Thermometer,self-Indicating — FSC 6685
  • Securing Device Type: CLIPCLIP
  • Scale Inscription/background Color: BLACK MARKING ON YELLOW BACKGROUNDBLACK MARKING ON YELLOW BACKGROUND
  • Scale Type: METALMETAL
  • Scale Smallest Increment: 0.2 DEG FAHRENHEIT0.2 DEG FAHRENHEIT
  • Features Provided: EXPANSION CHAMBEREXPANSION CHAMBER
  • Actuating Medium: MERCURYMERCURY
  • Scale Measurement Range: +118.000 TO 215.000 DEG FAHRENHEIT+118.000 TO 215.000 DEG FAHRENHEIT
Applications
  • Applications requiring Glass Overall construction
General Description

The Thermometer,self-Indicating, cataloged under National Stock Number 6685-00-894-4515, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Princo Instruments, Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-894-4515
Primary Part Number77-2
Item NameThermometer,self-Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerPrinco Instruments, Inc
StatusACTIVE
Securing Device TypeCLIPCLIP
Scale Inscription/background ColorBLACK MARKING ON YELLOW BACKGROUNDBLACK MARKING ON YELLOW BACKGROUND
Scale TypeMETALMETAL
Scale Smallest Increment0.2 DEG FAHRENHEIT0.2 DEG FAHRENHEIT
Features ProvidedEXPANSION CHAMBEREXPANSION CHAMBER
Actuating MediumMERCURYMERCURY
Scale Measurement Range+118.000 TO 215.000 DEG FAHRENHEIT+118.000 TO 215.000 DEG FAHRENHEIT
Design TypeFLUCTUATINGFLUCTUATING
Style DesignatorIMMERSION RING TOP
MaterialGLASS OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-370609078 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Rbc Bearings Incorporated Div West Trenton Division
5330-00-126-9841455369 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
3110-00-144-8658 INTERCHANGEABLE
Bearing,ball,annular
5120-00-293-1476 INTERCHANGEABLE
Key,socket Head Screw
3230-00-522-232670003 INTERCHANGEABLE
Blade,circular Saw,woodcutting
Dml Industrial Products Sub of Vermont American Corp Forest City Tool Div
5315-00-616-5514MS35756-6 INTERCHANGEABLE
Key,woodruff
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4720-00-721-9893H20108BK INTERCHANGEABLE
Hose,nonmetallic
Danfoss Power Solutions II, Llc
4730-00-974-2810 INTERCHANGEABLE
Plug,spring,cylinder
5961-01-037-646070003 INTERCHANGEABLE
Service Repair Kit
National Oil Well Dba Iec Baylor
3110-01-149-8233 INTERCHANGEABLE
Bearing
Cross-Reference Index
Part NumberManufacturer
7000-3 Sigma Products & Mfg (USA)
77-2 PRIMARY Princo Instruments, Inc (USA)
6-01323 Psg Controls, Inc. (USA)
Related Parts
3110-00-100-3706INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
09078
5330-00-126-9841INTERCHANGEABLE
SEAL,PLAIN ENCASED
455369
3110-00-144-8658INTERCHANGEABLE
BEARING,BALL,ANNULAR
5120-00-293-1476INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
3230-00-522-2326INTERCHANGEABLE
BLADE,CIRCULAR SAW,WOODCUTTING
70003
5315-00-616-5514INTERCHANGEABLE
KEY,WOODRUFF
MS35756-6
4720-00-721-9893INTERCHANGEABLE
HOSE,NONMETALLIC
H20108BK
4730-00-974-2810INTERCHANGEABLE
PLUG,SPRING,CYLINDER
5961-01-037-6460INTERCHANGEABLE
SERVICE REPAIR KIT
70003
3110-01-149-8233INTERCHANGEABLE
BEARING
5962-01-164-4372INTERCHANGEABLE
MICROCIRCUIT
MN9613
5330-01-205-4302INTERCHANGEABLE
GASKET

Frequently Asked Questions

What is NSN 6685-00-894-4515?

NSN 6685-00-894-4515 is a Thermometer,self-Indicating, manufactured by Princo Instruments, Inc, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-894-4515?

NSN 6685-00-894-4515 has 3 cross-referenced part numbers: 7000-3 (Sigma Products & Mfg), 77-2 (Princo Instruments, Inc), 6-01323 (Psg Controls, Inc.).

What NSN replaces 6685-00-894-4515?

There are 12 known substitutes for 6685-00-894-4515: 3110-00-100-3706, 5330-00-126-9841, 3110-00-144-8658 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 77-2?

Key specifications for 77-2: Overall Length: 16.000 INCHES NOMINAL16.000 INCHES NOMINAL IN; Securing Device Type: CLIPCLIP; Scale Inscription/background Color: BLACK MARKING ON YELLOW BACKGROUNDBLACK MARKING ON YELLOW BACKGROUND; Scale Type: METALMETAL. 12 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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