PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

841-0054Gage,pressure,dial Indicating

Boc Group Inc the · NSN 6685-00-171-9815 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-171-9815 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-171-9815. Primary manufacturer part number: 841-0054.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Nondefinitive Spec/std Data: 1 POLISHED
  • Overall Diameter: 2.813 INCHES NOMINAL IN
  • Connector Type Vent: NOT PROVIDED
  • Mounting Method: RIGID STEM
  • Material: BRASS CASE
  • Connection Size: 0.250 IN. NPT DIA IN
  • Material: COPPER ALLOY ACTUATING ELEMENT
Applications
  • Applications requiring Brass Case construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-171-9815, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Boc Group Inc the. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-171-9815
Primary Part Number841-0054
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerBoc Group Inc the
StatusACTIVE
Nondefinitive Spec/std Data1 POLISHED
Overall Diameter2.813 INCHES NOMINAL IN
Connector Type VentNOT PROVIDED
Mounting MethodRIGID STEM
MaterialBRASS CASE
Connection Size0.250 IN. NPT DIA IN
MaterialCOPPER ALLOY ACTUATING ELEMENT
MaterialGLASS PROTECTIVE CRYSTAL
MaterialGLASS PROTECTIVE CRYSTAL
Scale Accuracy2 PERCENT MIDDLE HALF OF RANGE
Connection LocationLOWER
Scale NamePRESSURE
Scale TypeMULTIPLE
AdjustabilityADJUSTABLE
Scale Range+0.000 TO 220.000 CUBIC FEET OF GAS AND +0.000 TO 3000.000 POUNDS PRESSURE PER SQUARE INCH LBS
Bezel TypeTHREAD
Mounting MethodRIGID STEM
Pointer TypeINDICATING
Connection TypeEXTERNAL
Dial Size2 IN. DIA IN
Scale Name for Which Pointer Is DesignedPRESSURE
Scale Name for Which Pointer Is DesignedPRESSURE
Graduation Unit500.000 POUNDS PER SQUARE INCH AND 40.0 CUBIC FEET LBS
Connection Quantity1
Pointer ColorBLACK
Connector Type VentNOT PROVIDED
Scale Inscription/background ColorBLACK FIGURES ON SILVER BACKGROUND,MAJOR GRADUATIONS IN RED
Actuation TypeSINGLE BOURDON TUBE
Unable to DecodeUNABLE TO DECODE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6685-00-117-5490136772A INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-239-5700P601 1/4LM2 1/2IN-3000PSI INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-526-9283A3670 INTERCHANGEABLE
Gage,pressure,dial Indicating
Metadure Parts & Sales, Inc.
6685-00-628-4205100106 INTERCHANGEABLE
Gage,pressure,dial Indicating
Metadure Parts & Sales, Inc.
3120-01-303-3934P54-6 INTERCHANGEABLE
Bearing,sleeve
Bunting Bearings Corp
Cross-Reference Index
Part NumberManufacturer
841-0054 PRIMARY Boc Group Inc the (USA)
P546 Ametek, Inc. Div Aerospace & Defense (USA)
841-0054 PRIMARY Messer Llc (USA)
Related Parts
6685-00-117-5490INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
136772A
6685-00-239-5700INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
P601 1/4LM2 1/2IN-3000PSI
6685-00-526-9283INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
A3670
6685-00-628-4205INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
100106
3120-01-303-3934INTERCHANGEABLE
BEARING,SLEEVE
P54-6

Frequently Asked Questions

What is NSN 6685-00-171-9815?

NSN 6685-00-171-9815 is a Gage,pressure,dial Indicating, manufactured by Boc Group Inc the, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-171-9815?

NSN 6685-00-171-9815 has 3 cross-referenced part numbers: 841-0054 (Boc Group Inc the), P546 (Ametek, Inc. Div Aerospace & Defense), 841-0054 (Messer Llc).

What NSN replaces 6685-00-171-9815?

There are 5 known substitutes for 6685-00-171-9815: 6685-00-117-5490, 6685-00-239-5700, 6685-00-526-9283 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 841-0054?

Key specifications for 841-0054: Nondefinitive Spec/std Data: 1 POLISHED; Overall Diameter: 2.813 INCHES NOMINAL IN; Connector Type Vent: NOT PROVIDED; Mounting Method: RIGID STEM. 30 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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