PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PP1-55Flag,assembly

Setra Systems, Inc. Dba Gems Sensors · NSN 6685-01-643-9381 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-643-9381 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-643-9381. Primary manufacturer part number: PP1-55.
Features
  • Flag,assembly — FSC 6685
  • 1 verified cross-reference
  • Primary manufacturer: Setra Systems, Inc. Dba Gems Sensors
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Flag,assembly, cataloged under National Stock Number 6685-01-643-9381, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Setra Systems, Inc. Dba Gems Sensors. This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN6685-01-643-9381
Primary Part NumberPP1-55
Item NameFlag,assembly
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerSetra Systems, Inc. Dba Gems Sensors
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6240-00-143-3094100A23RS115V INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
4730-00-546-98725PP15 INTERCHANGEABLE
Coupling Half,quick Disconnect
Tuthill Corp Hansen Coupling Div
2995-01-733-1195PP 155 INTERCHANGEABLE
Installation Kit,engine Accessor
Dla Aviation Engineering Div Department of Defense
Cross-Reference Index
Part NumberManufacturer
PP1-55 PRIMARY Setra Systems, Inc. Dba Gems Sensors (USA)
Related Parts
6240-00-143-3094INTERCHANGEABLE
LAMP,INCANDESCENT
100A23RS115V
4730-00-546-9872INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
5PP15
2995-01-733-1195INTERCHANGEABLE
INSTALLATION KIT,ENGINE ACCESSOR
PP 155

Frequently Asked Questions

What is NSN 6685-01-643-9381?

NSN 6685-01-643-9381 is a Flag,assembly, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-643-9381?

NSN 6685-01-643-9381 has 1 cross-referenced part number: PP1-55 (Setra Systems, Inc. Dba Gems Sensors).

What NSN replaces 6685-01-643-9381?

There are 3 known substitutes for 6685-01-643-9381: 6240-00-143-3094, 4730-00-546-9872, 2995-01-733-1195. Verify interchangeability with system specifications before substitution.

What are the specifications of PP1-55?

Key specifications for PP1-55: End Item Identification: INDICATOR,LI. 1 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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