Composition and Percentage: 90.0 MINIMUM BY WEIGHT CALCIUM HYDROXIDE
Quantity Within Each Unit Package: 50.000 POUNDS LBS
Physical Form: POWDER
Identification
NSN: 6810-00-656-1091
NIIN: 006561091
FSC: 6810 — Chemicals
FSG: 68 — Chemicals and Chemical Products
General Description
The Calcium Hydroxide, cataloged under National Stock Number 6810-00-656-1091, is classified within Federal Supply Class 6810 (Chemicals) of the Chemicals and Chemical Products group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6810-00-656-1091
Item Name
Calcium Hydroxide
FSC / FSG
6810 / 68 — Chemicals
Status
ACTIVE
Medical Designation and Grade
TECHNICAL
Composition and Percentage
90.0 MINIMUM BY WEIGHT CALCIUM HYDROXIDE
Quantity Within Each Unit Package
50.000 POUNDS LBS
Physical Form
POWDER
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Hazardous per DLA record (HMIC Y)
Criticality Code
X
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6810-01-039-2020POSSIBLE MATCH
CALCIUM HYDROXIDE
Possible match (shared part number)
5975-01-544-9675OC-110POSSIBLE MATCH
PANEL,BLANK
Possible match (shared part number)L3harris Maritime Services Inc
6810-01-700-6943C1117-500GMPOSSIBLE MATCH
CALCIUM HYDROXIDE
Possible match (shared part number)Spectrum Laboratory Products, Inc. Dba Spectrum Cleanroom Design
6810-01-700-7116C1117-100LBBLPOSSIBLE MATCH
CALCIUM HYDROXIDE
Possible match (shared part number)Spectrum Laboratory Products, Inc. Dba Spectrum Cleanroom Design
6810-01-700-7120C1117-12KGPOSSIBLE MATCH
CALCIUM HYDROXIDE
Possible match (shared part number)Spectrum Laboratory Products, Inc. Dba Spectrum Cleanroom Design
6810-01-700-7125C1117-2.5KGPOSSIBLE MATCH
CALCIUM HYDROXIDE
Possible match (shared part number)Spectrum Laboratory Products, Inc. Dba Spectrum Cleanroom Design
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
O-C-110
5/9Secondary reference
U.S. Government activity
A-A-55821
4/1Identification reference
Federal Commercial Item Description Promulgated by General Services Administration Washington DC
Related Parts
6810-01-039-2020POSSIBLE MATCH
CALCIUM HYDROXIDE
5975-01-544-9675POSSIBLE MATCH
PANEL,BLANK
OC-110
6810-01-700-6943POSSIBLE MATCH
CALCIUM HYDROXIDE
C1117-500GM
6810-01-700-7116POSSIBLE MATCH
CALCIUM HYDROXIDE
C1117-100LBBL
6810-01-700-7120POSSIBLE MATCH
CALCIUM HYDROXIDE
C1117-12KG
6810-01-700-7125POSSIBLE MATCH
CALCIUM HYDROXIDE
C1117-2.5KG
Frequently Asked Questions
What is NSN 6810-00-656-1091?
NSN 6810-00-656-1091 is a Calcium Hydroxide, classified under FSC 6810, Chemicals. Status: active.
What NSN replaces 6810-00-656-1091?
6 possible matches (shared part number, not a government interchangeability claim): 6810-01-039-2020, 5975-01-544-9675, 6810-01-700-6943. Verify interchangeability with system specifications before substitution.
What are the specifications of 6810-00-656-1091?
Key specifications for 6810-00-656-1091: Medical Designation and Grade: TECHNICAL; Composition and Percentage: 90.0 MINIMUM BY WEIGHT CALCIUM HYDROXIDE; Quantity Within Each Unit Package: 50.000 POUNDS LBS; Physical Form: POWDER. 4 specifications are documented in the U.S. Government catalog.
Is NSN 6810-00-656-1091 hazardous material?
Hazardous per DLA record (HMIC Y). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.