PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

850-310Gage,pressure,dial Indicating

Aqua-Chem, Inc. Dba Aqua-Chem Inc · NSN 6685-01-287-9974 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-287-9974 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-287-9974. Primary manufacturer part number: 850-310.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Scale Name: PRESSURE
  • Connection Size: 0.250 IN. NPT DIA IN
  • Dial Size: 4-1/2 IN. DIA IN
  • Scale Range: +0.0 TO 100.0 POUNDS PRESSURE PER SQUARE INCH LBS
  • 4 verified cross-references
  • Primary manufacturer: Aqua-Chem, Inc. Dba Aqua-Chem Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-287-9974, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Aqua-Chem, Inc. Dba Aqua-Chem Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-287-9974
Primary Part Number850-310
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAqua-Chem, Inc. Dba Aqua-Chem Inc
StatusACTIVE
Scale NamePRESSURE
Connection Size0.250 IN. NPT DIA IN
Dial Size4-1/2 IN. DIA IN
Scale Range+0.0 TO 100.0 POUNDS PRESSURE PER SQUARE INCH LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3020-00-762-1470850310 INTERCHANGEABLE
Gear Planetary
Paccar Winch Inc Dba Paccar Winch Division
Cross-Reference Index
Part NumberManufacturer
850-310 Aqua-Chem, Inc. (USA)
613-B-7649 ITEM P-3 Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA)
850-310 PRIMARY Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA)
613-B-7649 ITEM P-3 Aqua-Chem, Inc. (USA)
Related Parts
3020-00-762-1470INTERCHANGEABLE
GEAR PLANETARY
850310

Frequently Asked Questions

What is NSN 6685-01-287-9974?

NSN 6685-01-287-9974 is a Gage,pressure,dial Indicating, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-287-9974?

NSN 6685-01-287-9974 has 4 cross-referenced part numbers: 850-310 (Aqua-Chem, Inc.), 613-B-7649 ITEM P-3 (Aqua-Chem, Inc. Dba Aqua-Chem Inc), 850-310 (Aqua-Chem, Inc. Dba Aqua-Chem Inc), 613-B-7649 ITEM P-3 (Aqua-Chem, Inc.).

What NSN replaces 6685-01-287-9974?

There is 1 known substitute for 6685-01-287-9974: 3020-00-762-1470. Verify interchangeability with system specifications before substitution.

What are the specifications of 850-310?

Key specifications for 850-310: Scale Name: PRESSURE; Connection Size: 0.250 IN. NPT DIA IN; Dial Size: 4-1/2 IN. DIA IN; Scale Range: +0.0 TO 100.0 POUNDS PRESSURE PER SQUARE INCH LBS. 4 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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