PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HELIOS OPAQUE 21 1105Paper,copying,diazo Process

Keuffel and Esser Co · NSN 6750-01-004-2043 · FSC 6750 · No Item Name Available
Verified by PartsTable
NSN 6750-01-004-2043 — this item is cataloged by the U.S. Government under National Stock Number 6750-01-004-2043. Primary manufacturer part number: HELIOS OPAQUE 21 1105.
Features
  • Paper,copying,diazo Process — FSC 6750
  • Length: 42.000 INCHES NOMINAL IN
  • Usage Form: SHEET
  • Base Color: WHITE
  • Diazo Process Type: AMMONIA VAPOR
  • Width: 30.000 INCHES NOMINAL IN
  • Material Transparency: OPAQUE
  • 2 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Paper,copying,diazo Process, cataloged under National Stock Number 6750-01-004-2043, is classified within Federal Supply Class 6750 (No Item Name Available) of the Photographic Equipment group. The primary manufacturer of record is Keuffel and Esser Co. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6750-01-004-2043
Primary Part NumberHELIOS OPAQUE 21 1105
Item NamePaper,copying,diazo Process
FSC / FSG6750 / 67 — No Item Name Available
ManufacturerKeuffel and Esser Co
StatusACTIVE
Length42.000 INCHES NOMINAL IN
Usage FormSHEET
Base ColorWHITE
Diazo Process TypeAMMONIA VAPOR
Width30.000 INCHES NOMINAL IN
Material TransparencyOPAQUE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4820-00-561-775815L FIG10927FP2A INTERCHANGEABLE
Valve,regulating,fluid Pressure
Grove Valve Operations
5120-01-218-436015-152 INTERCHANGEABLE
Face,hammer,inserted
Nupla Corporation
3990-01-380-715315S INTERCHANGEABLE
Pallet,material Handling
Safety Storage, Inc
5340-01-381-489915-S INTERCHANGEABLE
Cap,protective,dust and Moisture
Caplugs Llc Dba Mokon Div Caplugs
5120-01-395-811615S INTERCHANGEABLE
Face,hammer,inserted
Nupla Corporation
1680-01-584-0293 INTERCHANGEABLE
Indicator,level,air
Cross-Reference Index
Part NumberManufacturer
HELIOS OPAQUE 21 1105 Keuffel and Esser Co (USA)
15S Diazo Specialty Co Dba Dsc Systems Graphics (USA)
Related Parts
4820-00-561-7758INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
15L FIG10927FP2A
5120-01-218-4360INTERCHANGEABLE
FACE,HAMMER,INSERTED
15-152
3990-01-380-7153INTERCHANGEABLE
PALLET,MATERIAL HANDLING
15S
5340-01-381-4899INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
15-S
5120-01-395-8116INTERCHANGEABLE
FACE,HAMMER,INSERTED
15S
1680-01-584-0293INTERCHANGEABLE
INDICATOR,LEVEL,AIR

Frequently Asked Questions

What is NSN 6750-01-004-2043?

NSN 6750-01-004-2043 is a Paper,copying,diazo Process, manufactured by Keuffel and Esser Co, classified under FSC 6750 (No Item Name Available). Status: active.

What are the part numbers for NSN 6750-01-004-2043?

NSN 6750-01-004-2043 has 2 cross-referenced part numbers: HELIOS OPAQUE 21 1105 (Keuffel and Esser Co), 15S (Diazo Specialty Co Dba Dsc Systems Graphics).

What NSN replaces 6750-01-004-2043?

There are 6 known substitutes for 6750-01-004-2043: 4820-00-561-7758, 5120-01-218-4360, 3990-01-380-7153 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HELIOS OPAQUE 21 1105?

Key specifications for HELIOS OPAQUE 21 1105: Length: 42.000 INCHES NOMINAL IN; Usage Form: SHEET; Base Color: WHITE; Diazo Process Type: AMMONIA VAPOR. 6 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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