PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

74745Gage,pressure,recording

Precision Scientific Petroleum Instruments Co · NSN 6685-00-815-1577 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-815-1577 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-815-1577. Primary manufacturer part number: 74745.
Features
  • Gage,pressure,recording — FSC 6685
  • Overall Diameter: 14.500 INCHES NOMINAL IN
  • Operating Range: REC 0 TO 200 LB PRESSURE PER SQ IN.RANGE 0.5 PCT OF FULL SC READING ACCURACY RATING LBS
  • 1 verified cross-reference
  • Primary manufacturer: Precision Scientific Petroleum Instruments Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Gage,pressure,recording, cataloged under National Stock Number 6685-00-815-1577, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Precision Scientific Petroleum Instruments Co. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-815-1577
Primary Part Number74745
Item NameGage,pressure,recording
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerPrecision Scientific Petroleum Instruments Co
StatusACTIVE
Overall Diameter14.500 INCHES NOMINAL IN
Operating RangeREC 0 TO 200 LB PRESSURE PER SQ IN.RANGE 0.5 PCT OF FULL SC READING ACCURACY RATING LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-01-085-768974745 INTERCHANGEABLE
Seal,plain Encased
Prestolite Electric Inc
5330-01-302-929774745 INTERCHANGEABLE
Seal Inflatable
Eaton Corporation Dba Eaton Inoac Div Eaton
5365-01-318-2069 INTERCHANGEABLE
Spacer,sleeve
1680-01-708-95817-4745-1 INTERCHANGEABLE
Plate,identification
Triumph Actuation Systems - Yakima, Llc Dba Triumph Actuation Systems - Yakima Llc
Cross-Reference Index
Part NumberManufacturer
74745 PRIMARY Precision Scientific Petroleum Instruments Co (USA)
Related Parts
5330-01-085-7689INTERCHANGEABLE
SEAL,PLAIN ENCASED
74745
5330-01-302-9297INTERCHANGEABLE
SEAL INFLATABLE
74745
5365-01-318-2069INTERCHANGEABLE
SPACER,SLEEVE
1680-01-708-9581INTERCHANGEABLE
PLATE,IDENTIFICATION
7-4745-1

Frequently Asked Questions

What is NSN 6685-00-815-1577?

NSN 6685-00-815-1577 is a Gage,pressure,recording, manufactured by Precision Scientific Petroleum Instruments Co, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-815-1577?

NSN 6685-00-815-1577 has 1 cross-referenced part number: 74745 (Precision Scientific Petroleum Instruments Co).

What NSN replaces 6685-00-815-1577?

There are 4 known substitutes for 6685-00-815-1577: 5330-01-085-7689, 5330-01-302-9297, 5365-01-318-2069 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 74745?

Key specifications for 74745: Overall Depth: 5.000 INCHES NOMINAL IN; Special Features: ACTUATING ELEMENT DOUBLE BOURDON TUBE TYPE BRONZE;2 PENS;CIRC CHART 1 REVOLUTION IN 24 HR CHART SPEEDS,SYNCHRONOUS MOTOR DR AC 115V 60 HZ 1 PH;C/O 1 PRECISION SCIENTIFIC CO CHART P/N 898442;1 CASE ALUMINUM,DUSTPROOF AND MOISTUREPROOF;FOR FIXED SUR MTG TYPE;SINGLE CONNECTION FEMALE TYPE BOTTOM LOCATING 0.250 IN.NPT SIZE;ACCESSORIES 100 CHARTS,1 EA DROPPER,INK BOTTLE V; Overall Diameter: 14.500 INCHES NOMINAL IN; Operating Range: REC 0 TO 200 LB PRESSURE PER SQ IN.RANGE 0.5 PCT OF FULL SC READING ACCURACY RATING 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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