PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

600-020DTest Stand,compressed Gas Cylind

Sequel Systems Inc. Dba S S I · NSN 6635-00-181-2458 · FSC 6635 · No Item Name Available
Verified by PartsTable
NSN 6635-00-181-2458 — this item is cataloged by the U.S. Government under National Stock Number 6635-00-181-2458. Primary manufacturer part number: 600-020D.
Features
  • Test Stand,compressed Gas Cylind — FSC 6635
  • Drive Type: SINGLE HEAD
  • Maximum Generator Diameter Accommodated: 18.000 INCHES IN
  • Driving Motor Transmission: NOT INCLUDED
  • Electric Motor Blower: NOT INCLUDED
  • Maximum Generator Diameter Accommodated: 18.000 INCHES IN
  • Mounting Type: FLOOR
  • Electric Motor Blower: NOT INCLUDED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Test Stand,compressed Gas Cylind, cataloged under National Stock Number 6635-00-181-2458, is classified within Federal Supply Class 6635 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Sequel Systems Inc. Dba S S I. Government technical data includes 9 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6635-00-181-2458
Primary Part Number600-020D
Item NameTest Stand,compressed Gas Cylind
FSC / FSG6635 / 66 — No Item Name Available
ManufacturerSequel Systems Inc. Dba S S I
StatusACTIVE
Drive TypeSINGLE HEAD
Maximum Generator Diameter Accommodated18.000 INCHES IN
Driving Motor TransmissionNOT INCLUDED
Electric Motor BlowerNOT INCLUDED
Maximum Generator Diameter Accommodated18.000 INCHES IN
Mounting TypeFLOOR
Electric Motor BlowerNOT INCLUDED
Drive TypeSINGLE HEAD
Driving Motor TransmissionNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6635-00-334-7421500-520 INTERCHANGEABLE
Test Stand,compressed Gas Cylind
Hydro-Test Products, Inc. Dba Hydro-Test Products Inc
Cross-Reference Index
Part NumberManufacturer
600-020D Sequel Systems Inc. Dba S S I (USA)
MILS4068 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
600-020D Container Service Inc (USA)
Related Parts
6635-00-334-7421INTERCHANGEABLE
TEST STAND,COMPRESSED GAS CYLIND
500-520

Frequently Asked Questions

What is NSN 6635-00-181-2458?

NSN 6635-00-181-2458 is a Test Stand,compressed Gas Cylind, manufactured by Sequel Systems Inc. Dba S S I, classified under FSC 6635 (No Item Name Available). Status: active.

What are the part numbers for NSN 6635-00-181-2458?

NSN 6635-00-181-2458 has 3 cross-referenced part numbers: 600-020D (Sequel Systems Inc. Dba S S I), MILS4068 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 600-020D (Container Service Inc).

What NSN replaces 6635-00-181-2458?

There is 1 known substitute for 6635-00-181-2458: 6635-00-334-7421. Verify interchangeability with system specifications before substitution.

What are the specifications of 600-020D?

Key specifications for 600-020D: Special Features: 8000 PSI TEST CAPACITY; AIR OPERATED TEST PUMP; SOFT SEATED INLET/OUTLET CHECK VALVES; 8 AND ONE-HALF IN. DIA. CALIBRATED TEST GAGE; 8000 PSI CALIBRATED TEST CYLINDER; 18 IN. DIA. BY 72IN. TALL WATER JA CKET; 6 INDIVIDUALLY VALVED MANIFOLDED BURETTES, SIZES: 0-12.5 CC,0-25 CC,0-50 CC, 0-125 CC, 0-250 CC, 0-360 CC; 18 IN. TIME VS PRESSURE CHART RECORDER; CYLINDER TO BE TESTED IS ENCLOSED IN WATER FILLED JACKET, PRESSURIZED INTERNALLY TO SPECIFIEDTEST PRESSUREVOLUMETRIC EXPANSION MEASSURED VIA WATER DISPLACED INTO CALIBRATE D BURETTE: PCT PERMANENT AND ELASTIC EXPANSIONS CALCULATED FROM MEASURED TOTAL AND PERMANENT VOLUMETRIC EXPANSION IN; Drive Type: SINGLE HEAD; Maximum Generator Diameter Accommodated: 18.000 INCHES IN; Driving Motor Transmission: NOT INCLUDED. 11 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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