PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

JHP57-11Gage,pressure,dial Indicating

Hollingsworth John R Co · NSN 6685-00-842-6721 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-842-6721 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-842-6721. Primary manufacturer part number: JHP57-11.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Material: STEEL CASE
  • Material: GLASS PROTECTIVE CRYSTAL
  • Surface Treatment: ENAMEL CASE
  • Material: BRASS ACTUATING ELEMENT
  • Pointer Type: INDICATING
  • Pointer Color: WHITE
  • Accessory Components and Quantity: PULSATION DAMPENER 1
Applications
  • Applications requiring Steel Case construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-842-6721, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Hollingsworth John R Co. Government technical data includes 26 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-842-6721
Primary Part NumberJHP57-11
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerHollingsworth John R Co
StatusCANCELLED
MaterialSTEEL CASE
MaterialGLASS PROTECTIVE CRYSTAL
Surface TreatmentENAMEL CASE
MaterialBRASS ACTUATING ELEMENT
Pointer TypeINDICATING
Pointer ColorWHITE
Accessory Components and QuantityPULSATION DAMPENER 1
Connector Type VentNOT PROVIDED
Unable to DecodeUNABLE TO DECODE
Connection Size0.125 IN. NPT DIA IN
Bezel TypeCRIMP
Scale Inscription/background ColorWHITE FIGURES ON BLACK BACKGROUND
Connection TypeEXTERNAL
Scale TypeSINGLE
Scale Smallest Increment5.0 POUNDS PER SQUARE INCH (PSI) LBS
Connection LocationBACK
Scale NamePRESSURE
Graduation Unit25.0 POUNDS PER SQUARE INCH LBS
Dial Size2 IN. IN
Actuation TypeDIAPHRAGM
Mounting MethodPANEL
Scale Accuracy10 PCT ENTIRE RANGE
Scale Range+0.000 TO 100.000 POUNDS PRESSURE PER SQUARE INCH LBS
AdjustabilityNONADJUSTABLE
Connection Quantity1
Overall Diameter2.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
3805-00-299-1229S29659 INTERCHANGEABLE
Cutting Edge,scoop,loader
Cnh Industrial America Llc Dba Cnh America
1650-01-018-869960047 INTERCHANGEABLE
End,cylinder
Parker-Hannifin Corporation Dba Control Systems Division
4010-01-032-4567 INTERCHANGEABLE
Wire Rope Assembly,single Leg
3805-01-095-8666754100 INTERCHANGEABLE
Cutting Edge,scoop,loader
Acs Industries, Inc.
Cross-Reference Index
Part NumberManufacturer
JHP57-11 Hollingsworth John R Co (USA)
2550-00227 Rochester Sensors, Llc (USA)
60047 Stewart & Stevenson Power Products Llc (USA)
2550C227 Rochester Sensors, Llc (USA)
2550C106 Rochester Sensors, Llc (USA)
Related Parts
3805-00-299-1229INTERCHANGEABLE
CUTTING EDGE,SCOOP,LOADER
S29659
1650-01-018-8699INTERCHANGEABLE
END,CYLINDER
60047
4010-01-032-4567INTERCHANGEABLE
WIRE ROPE ASSEMBLY,SINGLE LEG
3805-01-095-8666INTERCHANGEABLE
CUTTING EDGE,SCOOP,LOADER
754100

Frequently Asked Questions

What is NSN 6685-00-842-6721?

NSN 6685-00-842-6721 is a Gage,pressure,dial Indicating, manufactured by Hollingsworth John R Co, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-842-6721?

NSN 6685-00-842-6721 has 5 cross-referenced part numbers: JHP57-11 (Hollingsworth John R Co), 2550-00227 (Rochester Sensors, Llc), 60047 (Stewart & Stevenson Power Products Llc), 2550C227 (Rochester Sensors, Llc), 2550C106 (Rochester Sensors, Llc).

What NSN replaces 6685-00-842-6721?

There are 4 known substitutes for 6685-00-842-6721: 3805-00-299-1229, 1650-01-018-8699, 4010-01-032-4567 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of JHP57-11?

Key specifications for JHP57-11: Overall Depth: 0.843 INCHES NOMINAL IN; Material: STEEL CASE; Material: GLASS PROTECTIVE CRYSTAL; Surface Treatment: ENAMEL CASE. 28 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-842-6721 still in active supply?

NSN 6685-00-842-6721 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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