PartsTable TECHNICAL DATA SHEET

NSN 6685-01-485-1272Government record, cited

Transmitter Group, Humidity-Tempe6685-01-485-1272

NSN 6685-01-485-1272 · NIIN 014851272 · Part number 7149-G501

Howell Laboratories Inc Dba Howell Laboratories Inc · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 22501

Government record, cited

NSN 6685-01-485-1272 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-485-1272. Manufacturer of record part number: 7149-G501.

Also searched as 6685-01-485-1272 · 6685014851272 · NIIN 014851272 · 01-485-1272 · FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 22501 · 7149-G501 · 7149D-G501 · 7149 ASSY 7149-G501

Nearby stock numbers ← 6685-01-485-0604 Gage, Pressure, Dial Indicating · 6685-01-485-1288 Transmitter, Pressure →

Features

Transmitter Group,humidity-Tempe — FSC 6685
Document Type: MFR DRAWING
End Item Source: 22501
Component Document Origin: INDUSTRIAL
Unit Package Quantity: 1
End Item Name: MONITOR, HIGH PRESSURE DEWPOINT
Document Source: 22501
2 manufacturer part numbers on file

Identification

NSN: 6685-01-485-1272
NIIN: 014851272
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 7149-G501
Manufacturer: Howell Laboratories Inc Dba Howell Laboratories Inc

General Description

The Transmitter Group,humidity-Tempe, cataloged under National Stock Number 6685-01-485-1272, 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 Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	6685-01-485-1272
Primary Part Number	7149-G501
Item Name	Transmitter Group,humidity-Tempe
FSC / FSG	6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer	Howell Laboratories Inc Dba Howell Laboratories Inc
Status	ACTIVE
Document Type	MFR DRAWING
End Item Source	22501
Component Document Origin	INDUSTRIAL
Unit Package Quantity	1
End Item Name	MONITOR, HIGH PRESSURE DEWPOINT
Document Source	22501

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
7149-G501 PRIMARY	Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
7149 ASSY 7149-G501	Howell Laboratories Inc Dba Howell Laboratories Inc (USA)

Reference documents

Reference	Meaning
7149D-G501	5/1 Secondary reference Howell Laboratories Inc Dba Howell Laboratories 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 6685-01-485-1272?

NSN 6685-01-485-1272 is a Transmitter Group,humidity-Tempe, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.

What part numbers are listed for NSN 6685-01-485-1272?

NSN 6685-01-485-1272 has 2 manufacturer part numbers on file: 7149-G501 (Howell Laboratories Inc Dba Howell Laboratories Inc), 7149 ASSY 7149-G501 (Howell Laboratories Inc Dba Howell Laboratories Inc).

What are the specifications of 7149-G501?

Key specifications for 7149-G501: Document Type: MFR DRAWING; End Item Source: 22501; Component Document Origin: INDUSTRIAL; Unit Package Quantity: 1. 6 specifications are documented in the U.S. Government catalog.

Is NSN 6685-01-485-1272 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.

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