PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J1858Gage,pressure,dial Indicating

Bellofram Corporation · NSN 6685-01-064-6516 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-064-6516 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-064-6516. Primary manufacturer part number: J1858.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Material: PLASTIC CASE
  • Material: PLASTIC PROTECTIVE CRYSTAL
  • Pointer Type: INDICATING
  • Connection Type: EXTERNAL
  • Connector Type Vent: NOT PROVIDED
  • Scale Inscription/background Color: BLACK FIGURES ON WHITE BACKGROUND
  • Connection Size: 0.125 IN. NPT DIA IN
Applications
  • Applications requiring Plastic Case construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-064-6516, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bellofram Corporation. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
ParameterValue
NSN6685-01-064-6516
Primary Part NumberJ1858
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerBellofram Corporation
StatusACTIVE
MaterialPLASTIC CASE
MaterialPLASTIC PROTECTIVE CRYSTAL
Pointer TypeINDICATING
Connection TypeEXTERNAL
Connector Type VentNOT PROVIDED
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Connection Size0.125 IN. NPT DIA IN
Scale TypeSINGLE
Scale NamePRESSURE
Overall Diameter2.250 INCHES NOMINAL IN
Dial Size2 IN. DIA IN
Actuation TypeBOURDON TUBE
AdjustabilityADJUSTABLE
Scale Range+0.0 TO 300.0 POUNDS PRESSURE PER SQUARE INCH LBS
Connection LocationBACK
Pointer ColorBLACK
Graduation Unit50.0 POUNDS PER SQUARE INCH LBS
Scale Smallest Increment10.0 POUNDS PER SQUARE INCH (PSI) LBS
MaterialCOPPER ALLOY 511 ACTUATING ELEMENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6685-00-057-1404J0642J-001 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bellofram Corporation
6685-00-063-89651523 INTERCHANGEABLE
Gage,pressure,dial Indicating
Buffalo Turbine Defense Llc
6685-00-069-13712600117-1 INTERCHANGEABLE
Gage,pressure,dial Indicating
Cosmodyne, Llc Dba Cosmodyne Llc
6685-00-111-1123163273 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-138-0691102673A INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
5805-00-170-865223C INTERCHANGEABLE
Signal,switchboard
Lucent Technologies Inc Corporate Headquarters
6685-00-250-5426 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-431-9581160662A INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-459-459320-1005-P-01B-160 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-526-8610P500 1/4CBM INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
Cross-Reference Index
Part NumberManufacturer
J1858 PRIMARY Bellofram Corporation (USA)
P563 Ametek, Inc. Div Aerospace & Defense (USA)
051805A Ametek, Inc. Div Aerospace & Defense (USA)
23C Liftec Inc Div Liftec, Inc. (USA)
13217E1084 Cecom Lr Center (USA)
Related Parts
6685-00-057-1404INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
J0642J-001
6685-00-063-8965INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
1523
6685-00-069-1371INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
2600117-1
6685-00-111-1123INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
163273
6685-00-138-0691INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
102673A
5805-00-170-8652INTERCHANGEABLE
SIGNAL,SWITCHBOARD
23C
6685-00-250-5426INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-431-9581INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
160662A
6685-00-459-4593INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
20-1005-P-01B-160
6685-00-526-8610INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
P500 1/4CBM
6685-00-865-7898INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
J8648AE-001
6685-00-932-6301INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
J5046

Frequently Asked Questions

What is NSN 6685-01-064-6516?

NSN 6685-01-064-6516 is a Gage,pressure,dial Indicating, manufactured by Bellofram Corporation, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-064-6516?

NSN 6685-01-064-6516 has 5 cross-referenced part numbers: J1858 (Bellofram Corporation), P563 (Ametek, Inc. Div Aerospace & Defense), 051805A (Ametek, Inc. Div Aerospace & Defense), 23C (Liftec Inc Div Liftec, Inc.), 13217E1084 (Cecom Lr Center).

What NSN replaces 6685-01-064-6516?

There are 12 known substitutes for 6685-01-064-6516: 6685-00-057-1404, 6685-00-063-8965, 6685-00-069-1371 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of J1858?

Key specifications for J1858: Material: PLASTIC CASE; Material: PLASTIC PROTECTIVE CRYSTAL; Pointer Type: INDICATING; Connection Type: EXTERNAL. 20 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com