PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

1223-12 W/MManometer,u-Tube

Name: 1223-12 W/M
SKU: 6685-00-027-1767

Dwyer Instruments Inc · NSN 6685-00-027-1767 · FSC 6685 · No Item Name Available

Verified by PartsTable

NSN 6685-00-027-1767 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-027-1767. Primary manufacturer part number: 1223-12 W/M.

6685-00-027-1767 — No Item Name Available illustration

Features

Manometer,u-Tube — FSC 6685
Tubing Outside Diameter: 0.250 INCHES NOMINAL IN
Indicator Type: TWO LIQUID
Zero Adjuster: NOT PROVIDED
Scale Smallest Increment: 0.01 INCHES IN
Parallax Eliminating Feature: PROVIDED
Connection Location: TOP
Equalizing Valve: NOT PROVIDED

Applications

Industrial maintenance and repair
Government and military logistics
Equipment overhaul and refurbishment

General Description

The Manometer,u-Tube, cataloged under National Stock Number 6685-00-027-1767, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Dwyer Instruments Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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

Parameter	Value
NSN	6685-00-027-1767
Primary Part Number	1223-12 W/M
Item Name	Manometer,u-Tube
FSC / FSG	6685 / 66 — No Item Name Available
Manufacturer	Dwyer Instruments Inc
Status	ACTIVE
Tubing Outside Diameter	0.250 INCHES NOMINAL IN
Indicator Type	TWO LIQUID
Zero Adjuster	NOT PROVIDED
Scale Smallest Increment	0.01 INCHES IN
Parallax Eliminating Feature	PROVIDED
Connection Location	TOP
Equalizing Valve	NOT PROVIDED
Indicating Liquid	PROVIDED
Scale Range	-6.0 TO 6.0 INCHES IN
Control Valve	NOT PROVIDED
Operating Pressure	100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Mounting Provision for Which Designed	SURFACE PANEL

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No

⇄ Verified Substitutes 12

2915-00-077-2850122312 INTERCHANGEABLE

Rod Assembly,piston

Parker-Hannifin Corporation Dba Pneutronics

4730-00-254-6241 INTERCHANGEABLE

Tee,pipe

4320-00-522-1957197554 INTERCHANGEABLE

Parts Kit,rotary Pump

Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling

6685-00-572-6060 INTERCHANGEABLE

Thermometer,self-Indicating,bime

3030-00-821-14859371 INTERCHANGEABLE

Belt,positive Drive

Gates Corporation

5950-00-914-8899SM-C-542099 INTERCHANGEABLE

Coil,radio Frequency

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir

5305-00-939-9222MS35275-242 INTERCHANGEABLE

Screw,machine

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use

3120-01-018-8107L22046P07 INTERCHANGEABLE

Bearing,plain,self-Aligning

New Hampshire Ball Bearings Inc Div Astro Division

5915-01-050-1390121-5-1-2 INTERCHANGEABLE

Filter Assembly,electrical

Allard Nazarian Group, Inc. Dba Granite State Manufacturing

5910-01-129-63409371 INTERCHANGEABLE

Capacitor,variable,ceramic Diele

Johanson Dielectrics, Inc

Cross-Reference Index

Part Number	Manufacturer
13207E9910	Cecom Lr Center (USA)
1223-12 W/M PRIMARY	Dwyer Instruments Inc (USA)
9371	Lowndes Engineering Co Inc (USA)
1215-12	Dwyer Instruments Inc (USA)
1223-12	Dwyer Instruments Inc (USA)

Related Parts

2915-00-077-2850INTERCHANGEABLE

ROD ASSEMBLY,PISTON

122312

4730-00-254-6241INTERCHANGEABLE

TEE,PIPE

4320-00-522-1957INTERCHANGEABLE

PARTS KIT,ROTARY PUMP

197554

6685-00-572-6060INTERCHANGEABLE

THERMOMETER,SELF-INDICATING,BIME

3030-00-821-1485INTERCHANGEABLE

BELT,POSITIVE DRIVE

9371

5950-00-914-8899INTERCHANGEABLE

COIL,RADIO FREQUENCY

SM-C-542099

5305-00-939-9222INTERCHANGEABLE

SCREW,MACHINE

MS35275-242

3120-01-018-8107INTERCHANGEABLE

BEARING,PLAIN,SELF-ALIGNING

L22046P07

5915-01-050-1390INTERCHANGEABLE

FILTER ASSEMBLY,ELECTRICAL

121-5-1-2

5910-01-129-6340INTERCHANGEABLE

CAPACITOR,VARIABLE,CERAMIC DIELE

9371

4820-01-181-5811INTERCHANGEABLE

HEAD GUIDE,VALVE

B10624-001-119

4460-01-195-4423INTERCHANGEABLE

RIBBON ASSEMBLY,CONNECTOR,DEYDRA

Frequently Asked Questions

What is NSN 6685-00-027-1767?

NSN 6685-00-027-1767 is a Manometer,u-Tube, manufactured by Dwyer Instruments Inc, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-027-1767?

NSN 6685-00-027-1767 has 5 cross-referenced part numbers: 13207E9910 (Cecom Lr Center), 1223-12 W/M (Dwyer Instruments Inc), 9371 (Lowndes Engineering Co Inc), 1215-12 (Dwyer Instruments Inc), 1223-12 (Dwyer Instruments Inc).

What NSN replaces 6685-00-027-1767?

There are 12 known substitutes for 6685-00-027-1767: 2915-00-077-2850, 4730-00-254-6241, 4320-00-522-1957 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1223-12 W/M?

Key specifications for 1223-12 W/M: Tubing Outside Diameter: 0.250 INCHES NOMINAL IN; Indicator Type: TWO LIQUID; Zero Adjuster: NOT PROVIDED; Scale Smallest Increment: 0.01 INCHES IN. 13 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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