PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

O-C-275Sodium Carbonate,monohydrate,pho

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 6750-00-264-5866 · FSC 6750 · No Item Name Available
Verified by PartsTable
NSN 6750-00-264-5866 — this item is cataloged by the U.S. Government under National Stock Number 6750-00-264-5866. Primary manufacturer part number: O-C-275.
Features
  • Sodium Carbonate,monohydrate,pho — FSC 6750
  • Quantity Within Each Unit Package: 100.000 POUNDS LBS
  • Physical Form: GRANULAR
  • Composition and Percentage: 99.0 MINIMUM BY WEIGHT SODIUM CARBONATE, MONOHYDRATE
  • Nondefinitive Spec/std Data: VI CLASS
  • Impurities Limitation in Percent: BICARBONATE 0.40,FREE ALKALI 0.20,HALIDES 0.06,HEAVY METALS 0.001,IRON 0.001
  • 1 verified cross-reference
  • Primary manufacturer: Federal Specifications Promulgated by General Services Administration Washington DC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sodium Carbonate,monohydrate,pho, cataloged under National Stock Number 6750-00-264-5866, is classified within Federal Supply Class 6750 (No Item Name Available) of the Photographic Equipment group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 5 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6750-00-264-5866
Primary Part NumberO-C-275
Item NameSodium Carbonate,monohydrate,pho
FSC / FSG6750 / 67 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Quantity Within Each Unit Package100.000 POUNDS LBS
Physical FormGRANULAR
Composition and Percentage99.0 MINIMUM BY WEIGHT SODIUM CARBONATE, MONOHYDRATE
Nondefinitive Spec/std DataVI CLASS
Impurities Limitation in PercentBICARBONATE 0.40,FREE ALKALI 0.20,HALIDES 0.06,HEAVY METALS 0.001,IRON 0.001
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
6750-00-053-8364 INTERCHANGEABLE
Formaldehyde Solution,photograph
6750-00-141-6180 INTERCHANGEABLE
Methylaminophenol Sulfate,photog
6750-00-174-5455 INTERCHANGEABLE
Potassium Ferricyanide,photograp
6750-00-241-8425 INTERCHANGEABLE
Sodium Carbonate,monohydrate,pho
6750-00-274-6725 INTERCHANGEABLE
Ammonium Thiosulfate,photographi
6750-00-274-6731 INTERCHANGEABLE
Potassium Bromide,photographic
6750-00-664-2100ISO 418 INTERCHANGEABLE
Sodium Sulfite,anhydrous,photogr
American National Standards Institute Incorporated Dba American National Standards Institute
6750-00-664-8269 INTERCHANGEABLE
Hydroquinone,photographic
6750-01-059-0434 INTERCHANGEABLE
Ammonium Hydroxide,photographic
Cross-Reference Index
Part NumberManufacturer
O-C-275 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
6750-00-053-8364INTERCHANGEABLE
FORMALDEHYDE SOLUTION,PHOTOGRAPH
6750-00-141-6180INTERCHANGEABLE
METHYLAMINOPHENOL SULFATE,PHOTOG
6750-00-174-5455INTERCHANGEABLE
POTASSIUM FERRICYANIDE,PHOTOGRAP
6750-00-241-8425INTERCHANGEABLE
SODIUM CARBONATE,MONOHYDRATE,PHO
6750-00-274-6725INTERCHANGEABLE
AMMONIUM THIOSULFATE,PHOTOGRAPHI
6750-00-274-6731INTERCHANGEABLE
POTASSIUM BROMIDE,PHOTOGRAPHIC
6750-00-664-2100INTERCHANGEABLE
SODIUM SULFITE,ANHYDROUS,PHOTOGR
ISO 418
6750-00-664-8269INTERCHANGEABLE
HYDROQUINONE,PHOTOGRAPHIC
6750-01-059-0434INTERCHANGEABLE
AMMONIUM HYDROXIDE,PHOTOGRAPHIC

Frequently Asked Questions

What is NSN 6750-00-264-5866?

NSN 6750-00-264-5866 is a Sodium Carbonate,monohydrate,pho, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 6750 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6750-00-264-5866?

NSN 6750-00-264-5866 has 1 cross-referenced part number: O-C-275 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 6750-00-264-5866?

There are 9 known substitutes for 6750-00-264-5866: 6750-00-053-8364, 6750-00-141-6180, 6750-00-174-5455 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of O-C-275?

Key specifications for O-C-275: Quantity Within Each Unit Package: 100.000 POUNDS LBS; Physical Form: GRANULAR; Composition and Percentage: 99.0 MINIMUM BY WEIGHT SODIUM CARBONATE, MONOHYDRATE; Nondefinitive Spec/std Data: VI CLASS. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6750-00-264-5866 still in active supply?

NSN 6750-00-264-5866 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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