NSN 6685-01-655-6321 · NIIN 016556321 · Part number GEN-LAB-HUM
Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 7JYX1
Government record, cited
NSN 6685-01-655-6321 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-655-6321. Manufacturer of record part number: GEN-LAB-HUM.
Also searched as6685-01-655-6321 ·
6685016556321 ·
NIIN 016556321 ·
01-655-6321 ·
FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 7JYX1 · GEN-LAB-HUM
Manufacturer of record: Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc
Identification
NSN: 6685-01-655-6321
NIIN: 016556321
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: GEN-LAB-HUM
Manufacturer: Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc
General Description
The Indicator,humidity,card, cataloged under National Stock Number 6685-01-655-6321, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6685-01-655-6321
Primary Part Number
GEN-LAB-HUM
Item Name
Indicator,humidity,card
FSC / FSG
6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer
Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc (USA)
Reference documents
Reference
Meaning
GEN-LAB-HUM
3/9Design control — primary reference
Hdt Expeditionary Systems, Inc.
No interchangeability data on file.
Other items in FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6685-00-001-1475
6685-00-001-1475 · Item name not on file
6685-00-001-1503
CONTROL,TOTALIZER
6685-00-001-1643
6685-00-001-1643 · Item name not on file
6685-00-001-1711
GAGE,PRESSURE,DIAL INDICATING
6685-00-001-2099
6685-00-001-2099 · Item name not on file
6685-00-001-2100
6685-00-001-2100 · Item name not on file
6685-00-001-2101
6685-00-001-2101 · Item name not on file
6685-00-001-2102
6685-00-001-2102 · Item name not on file
Frequently Asked Questions
What is NSN 6685-01-655-6321?
NSN 6685-01-655-6321 is a Indicator,humidity,card, manufactured by Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
What part numbers are listed for NSN 6685-01-655-6321?
NSN 6685-01-655-6321 has 1 manufacturer part number on file: GEN-LAB-HUM (Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc).
What are the specifications of GEN-LAB-HUM?
Key specifications for GEN-LAB-HUM: Special Features: PART IS REPAIRABLE, 1 PER ASSEMBLY; Part Name Assigned by Controlling Agency: HUMIDITY INDICATOR CARD; End Item Identification: ANITCOM TACTICAL LED LIGHTING SYSTEM. 0 specifications are documented in the U.S. Government catalog.
Is NSN 6685-01-655-6321 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.