PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA9778-39Thermometer,indicating,capillary

Pall Aeropower Corporation · NSN 6685-00-814-5701 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-814-5701 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-814-5701. Primary manufacturer part number: AA9778-39.
Features
  • Thermometer,indicating,capillary — FSC 6685
  • Bulb Overall Length: 2.700 INCHES NOMINAL IN
  • Extension Neck Length: 0.560 INCHES NOMINAL IN
  • Bulb Type: BENDABLE PLAIN
  • Active Portion Diameter: 0.440 INCHES NOMINAL IN
  • Scale Type: DIAL
  • Scale Measurement Range: -20.000 TO 120.000 DEG FAHRENHEIT
  • Style Designator: BULB W/O SOCKET
Applications
  • Applications requiring Steel Meter Case construction
General Description

The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-00-814-5701, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Pall Aeropower Corporation. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-814-5701
Primary Part NumberAA9778-39
Item NameThermometer,indicating,capillary
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerPall Aeropower Corporation
StatusACTIVE
Bulb Overall Length2.700 INCHES NOMINAL IN
Extension Neck Length0.560 INCHES NOMINAL IN
Bulb TypeBENDABLE PLAIN
Active Portion Diameter0.440 INCHES NOMINAL IN
Scale TypeDIAL
Scale Measurement Range-20.000 TO 120.000 DEG FAHRENHEIT
Style DesignatorBULB W/O SOCKET
MaterialSTEEL METER CASE
Dial Diameter2.500 INCHES NOMINAL IN
Active Portion Length2.140 INCHES NOMINAL IN
Pointer/pen Type and Quantity1 INDICATING SINGLE
Indicator Connection MethodFLEXIBLE TUBE
Case Diameter3.530 INCHES NOMINAL IN
Bulb Tip Length2.140 INCHES NOMINAL IN
Bulb Quantity1
Bulb StylePLAIN BULB
Bulb Connection TypeUNION
Actuating MediumGAS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5340-00-339-0312 INTERCHANGEABLE
Strap,retaining
6680-00-842-0498 INTERCHANGEABLE
Indicator,sight,liquid
6645-00-979-68242017395 INTERCHANGEABLE
Timer,sequential
Chrysler Corp Dayton Plant 1
Cross-Reference Index
Part NumberManufacturer
906S Ametek, Inc. Div Aerospace & Defense (USA)
A32533 Keco Industries, Inc. (USA)
8514-152 Ametek, Inc. Div Aerospace & Defense (USA)
AA9778-39 PRIMARY Pall Aeropower Corporation (USA)
V25373214-120 Miljoco Corporation (USA)
Related Parts
5340-00-339-0312INTERCHANGEABLE
STRAP,RETAINING
6680-00-842-0498INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
6645-00-979-6824INTERCHANGEABLE
TIMER,SEQUENTIAL
2017395

Frequently Asked Questions

What is NSN 6685-00-814-5701?

NSN 6685-00-814-5701 is a Thermometer,indicating,capillary, manufactured by Pall Aeropower Corporation, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-814-5701?

NSN 6685-00-814-5701 has 5 cross-referenced part numbers: 906S (Ametek, Inc. Div Aerospace & Defense), A32533 (Keco Industries, Inc.), 8514-152 (Ametek, Inc. Div Aerospace & Defense), AA9778-39 (Pall Aeropower Corporation), V25373214-120 (Miljoco Corporation).

What NSN replaces 6685-00-814-5701?

There are 3 known substitutes for 6685-00-814-5701: 5340-00-339-0312, 6680-00-842-0498, 6645-00-979-6824. Verify interchangeability with system specifications before substitution.

What are the specifications of AA9778-39?

Key specifications for AA9778-39: Bulb Overall Length: 2.700 INCHES NOMINAL IN; Extension Neck Length: 0.560 INCHES NOMINAL IN; Bulb Type: BENDABLE PLAIN; Active Portion Diameter: 0.440 INCHES NOMINAL IN. 18 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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