PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21,757-3Barium Hydroxide,octahydrate

Aldrich Chemical Co Inc Sub of Sigma Aldrich Corp · NSN 6810-00-234-8362 · FSC 6810 · No Item Name Available
Verified by PartsTable
NSN 6810-00-234-8362 — this item is cataloged by the U.S. Government under National Stock Number 6810-00-234-8362. Primary manufacturer part number: 21,757-3.
Features
  • Barium Hydroxide,octahydrate — FSC 6810
  • Composition and Percentage: 98.0 MINIMUM BY WEIGHT BARIUM HYDROXIDE
  • Physical Form: CRYSTAL
  • Specific Gravity Value: 2.188 NOMINAL
  • Quantity Within Each Unit Package: 500.0 GRAMS G
  • Medical Designation and Grade: AMERICAN CHEMICAL SOCIETY
  • 8 verified cross-references
  • Primary manufacturer: Aldrich Chemical Co Inc Sub of Sigma Aldrich Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Barium Hydroxide,octahydrate, cataloged under National Stock Number 6810-00-234-8362, is classified within Federal Supply Class 6810 (No Item Name Available) of the Chemicals and Chemical Products group. The primary manufacturer of record is Aldrich Chemical Co Inc Sub of Sigma Aldrich Corp. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6810-00-234-8362
Primary Part Number21,757-3
Item NameBarium Hydroxide,octahydrate
FSC / FSG6810 / 68 — No Item Name Available
ManufacturerAldrich Chemical Co Inc Sub of Sigma Aldrich Corp
StatusACTIVE
Composition and Percentage98.0 MINIMUM BY WEIGHT BARIUM HYDROXIDE
Physical FormCRYSTAL
Specific Gravity Value2.188 NOMINAL
Quantity Within Each Unit Package500.0 GRAMS G
Medical Designation and GradeAMERICAN CHEMICAL SOCIETY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-114-9631 INTERCHANGEABLE
Bearing,ball,annular
6145-00-163-7493293-3922 INTERCHANGEABLE
Cable,radio Frequency
Te Connectivity Corporation Dba Microdot Products
9905-00-202-36390100A INTERCHANGEABLE
Reflector,indicating,clearance
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
6810-00-299-8499 INTERCHANGEABLE
Barium Hydroxide,octahydrate
5930-00-327-73083772 INTERCHANGEABLE
Switch,push
Telephone Company of America Incorporated
3030-00-529-0481 INTERCHANGEABLE
Belt,v
5305-00-543-5763 INTERCHANGEABLE
Screw,machine
5331-00-730-66372100 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corporation Div O-Ring Division
5331-00-752-14132100 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corporation Div O-Ring Division
5331-00-842-92556764920 INTERCHANGEABLE
O-Ring
Tecmotiv (usa), Inc.
Cross-Reference Index
Part NumberManufacturer
21,757-3 Aldrich Chemical Co Inc Sub of Sigma Aldrich Corp (USA)
B46 Fisher Scientific Company L.l.c. (USA)
1006 Avantor Performance Materials, Inc. (USA)
O-C-265 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
217573 Sigma-Aldrich Corporation (USA)
B46-500 Fisher Scientific Company L.l.c. (USA)
3772 Mallinckrodt Inc Anesthesia Products (USA)
A-A-59282 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
3110-00-114-9631INTERCHANGEABLE
BEARING,BALL,ANNULAR
6145-00-163-7493INTERCHANGEABLE
CABLE,RADIO FREQUENCY
293-3922
9905-00-202-3639INTERCHANGEABLE
REFLECTOR,INDICATING,CLEARANCE
0100A
6810-00-299-8499INTERCHANGEABLE
BARIUM HYDROXIDE,OCTAHYDRATE
5930-00-327-7308INTERCHANGEABLE
SWITCH,PUSH
3772
3030-00-529-0481INTERCHANGEABLE
BELT,V
5305-00-543-5763INTERCHANGEABLE
SCREW,MACHINE
5331-00-730-6637INTERCHANGEABLE
O-RING
2100
5331-00-752-1413INTERCHANGEABLE
O-RING
2100
5331-00-842-9255INTERCHANGEABLE
O-RING
6764920
5310-00-845-6558INTERCHANGEABLE
WASHER,FLAT
B4-6
6625-00-866-4223INTERCHANGEABLE
LEAD,TEST
B-4-6

Frequently Asked Questions

What is NSN 6810-00-234-8362?

NSN 6810-00-234-8362 is a Barium Hydroxide,octahydrate, manufactured by Aldrich Chemical Co Inc Sub of Sigma Aldrich Corp, classified under FSC 6810 (No Item Name Available). Status: active.

What are the part numbers for NSN 6810-00-234-8362?

NSN 6810-00-234-8362 has 8 cross-referenced part numbers: 21,757-3 (Aldrich Chemical Co Inc Sub of Sigma Aldrich Corp), B46 (Fisher Scientific Company L.l.c.), 1006 (Avantor Performance Materials, Inc.), O-C-265 (Federal Specifications Promulgated by General Services Administration Washington DC), 217573 (Sigma-Aldrich Corporation) and 3 more.

What NSN replaces 6810-00-234-8362?

There are 12 known substitutes for 6810-00-234-8362: 3110-00-114-9631, 6145-00-163-7493, 9905-00-202-3639 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21,757-3?

Key specifications for 21,757-3: Composition and Percentage: 98.0 MINIMUM BY WEIGHT BARIUM HYDROXIDE; Physical Form: CRYSTAL; Special Features: 2.188 SP GR AT 20/4DEG C DEGC; Specific Gravity Value: 2.188 NOMINAL. 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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