PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3299C 5GLSealer,chemical

American Fuel Cell and Coated Fabrics Company, Llc · NSN 6850-00-166-8813 · FSC 6850 · No Item Name Available
Verified by PartsTable
NSN 6850-00-166-8813 — this item is cataloged by the U.S. Government under National Stock Number 6850-00-166-8813. Primary manufacturer part number: 3299C 5GL.
Features
  • Sealer,chemical — FSC 6850
  • Color: BLACK
  • Supplementary Features: 5 GALLON CAN
  • 5 verified cross-references
  • Primary manufacturer: American Fuel Cell and Coated Fabrics Company, Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sealer,chemical, cataloged under National Stock Number 6850-00-166-8813, is classified within Federal Supply Class 6850 (No Item Name Available) of the Chemicals and Chemical Products group. The primary manufacturer of record is American Fuel Cell and Coated Fabrics Company, Llc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6850-00-166-8813
Primary Part Number3299C 5GL
Item NameSealer,chemical
FSC / FSG6850 / 68 — No Item Name Available
ManufacturerAmerican Fuel Cell and Coated Fabrics Company, Llc
StatusACTIVE
ColorBLACK
Supplementary Features5 GALLON CAN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4730-00-278-4357SAE J512 4-2 060102BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
5905-00-584-0709382-1405-080 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
9320-00-618-08543299 INTERCHANGEABLE
Rubber Sheet,solid
The Boeing Company Div Commercial
1660-00-910-29014876-2 INTERCHANGEABLE
Housing,actuator Ba
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
5950-01-025-2275905567-1 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5905-01-099-44963299-2 INTERCHANGEABLE
Resistor
Crown Audio, Inc. Dba Crown International
6650-01-111-02655585734 PIECE 51 INTERCHANGEABLE
Prism,eyepiece
Naval Sea Systems Command
5950-01-344-9048K6367 INTERCHANGEABLE
Transformer,power
Keytronics, Inc. Div Api Technologies Corp- Magnetics
Cross-Reference Index
Part NumberManufacturer
3299C 5GL PRIMARY American Fuel Cell and Coated Fabrics Company, Llc (USA)
U3299C-1 American Fuel Cell and Coated Fabrics Company, Llc (USA)
3299 Lanxess Corporation (USA)
3299C American Fuel Cell and Coated Fabrics Company, Llc (USA)
3299 Uniroyal Chemical Co Inc (USA)
Related Parts
4730-00-278-4357INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 4-2 060102BA
5905-00-584-0709INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
382-1405-080
9320-00-618-0854INTERCHANGEABLE
RUBBER SHEET,SOLID
3299
1660-00-910-2901INTERCHANGEABLE
HOUSING,ACTUATOR BA
4876-2
5950-01-025-2275INTERCHANGEABLE
TRANSFORMER,POWER
905567-1
5905-01-099-4496INTERCHANGEABLE
RESISTOR
3299-2
6650-01-111-0265INTERCHANGEABLE
PRISM,EYEPIECE
5585734 PIECE 51
5950-01-344-9048INTERCHANGEABLE
TRANSFORMER,POWER
K6367

Frequently Asked Questions

What is NSN 6850-00-166-8813?

NSN 6850-00-166-8813 is a Sealer,chemical, manufactured by American Fuel Cell and Coated Fabrics Company, Llc, classified under FSC 6850 (No Item Name Available). Status: active.

What are the part numbers for NSN 6850-00-166-8813?

NSN 6850-00-166-8813 has 5 cross-referenced part numbers: 3299C 5GL (American Fuel Cell and Coated Fabrics Company, Llc), U3299C-1 (American Fuel Cell and Coated Fabrics Company, Llc), 3299 (Lanxess Corporation), 3299C (American Fuel Cell and Coated Fabrics Company, Llc), 3299 (Uniroyal Chemical Co Inc).

What NSN replaces 6850-00-166-8813?

There are 8 known substitutes for 6850-00-166-8813: 4730-00-278-4357, 5905-00-584-0709, 9320-00-618-0854 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3299C 5GL?

Key specifications for 3299C 5GL: Special Features: BUNA-N RUBBER; PHYSICAL FORM: LIQUID; MATERIAL: RUBBER SYNTHETIC AND PLASTIC POLYVINYL CHLORIDE; RATED DRYING TIME: 15.00 MINUTES NOMINAL; SPECIFIC USAGE: FOR PROTECTING EXTERIIOR OF SELF SEALING FUEL CELLS; QUANTITY WITHIN EACH UNIT PACKAGE: 5.00 GALLONS;; Color: BLACK; Supplementary Features: 5 GALLON CAN. 3 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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