PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DAPCO 18-4FSealer,chemical

D Aircraft Products Co · NSN 6850-01-088-0088 · FSC 6850 · No Item Name Available
Verified by PartsTable
NSN 6850-01-088-0088 — this item is cataloged by the U.S. Government under National Stock Number 6850-01-088-0088. Primary manufacturer part number: DAPCO 18-4F.
Features
  • Sealer,chemical — FSC 6850
  • Supplementary Features: 1 QUART KIT
  • 4 verified cross-references
  • Primary manufacturer: D Aircraft Products Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sealer,chemical, cataloged under National Stock Number 6850-01-088-0088, is classified within Federal Supply Class 6850 (No Item Name Available) of the Chemicals and Chemical Products group. The primary manufacturer of record is D Aircraft Products Co. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6850-01-088-0088
Primary Part NumberDAPCO 18-4F
Item NameSealer,chemical
FSC / FSG6850 / 68 — No Item Name Available
ManufacturerD Aircraft Products Co
StatusACTIVE
Supplementary Features1 QUART KIT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5999-00-110-1037128C893H01 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Northrop Grumman Support Services Corp
3040-00-407-0466550097 INTERCHANGEABLE
Rod,piston,linear Actuating Cyli
Dana Off Highway Products, Llc
5930-00-442-4223 INTERCHANGEABLE
Switch,sensitive
4710-00-695-6158550097 INTERCHANGEABLE
Tube Assembly,metal
Renk America Llc Div Renk America
Cross-Reference Index
Part NumberManufacturer
BMS5-63 CLB-4 The Boeing Company Div Defense (USA)
12550097 Cytec Engineered Materials Inc. Div D'air (USA)
DAPCO 18-4F PRIMARY D Aircraft Products Co (USA)
550097 D Aircraft Products Co (USA)
Related Parts
5999-00-110-1037INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
128C893H01
3040-00-407-0466INTERCHANGEABLE
ROD,PISTON,LINEAR ACTUATING CYLI
550097
5930-00-442-4223INTERCHANGEABLE
SWITCH,SENSITIVE
4710-00-695-6158INTERCHANGEABLE
TUBE ASSEMBLY,METAL
550097

Frequently Asked Questions

What is NSN 6850-01-088-0088?

NSN 6850-01-088-0088 is a Sealer,chemical, manufactured by D Aircraft Products Co, classified under FSC 6850 (No Item Name Available). Status: active.

What are the part numbers for NSN 6850-01-088-0088?

NSN 6850-01-088-0088 has 4 cross-referenced part numbers: BMS5-63 CLB-4 (The Boeing Company Div Defense), 12550097 (Cytec Engineered Materials Inc. Div D'air), DAPCO 18-4F (D Aircraft Products Co), 550097 (D Aircraft Products Co).

What NSN replaces 6850-01-088-0088?

There are 4 known substitutes for 6850-01-088-0088: 5999-00-110-1037, 3040-00-407-0466, 5930-00-442-4223 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DAPCO 18-4F?

Key specifications for DAPCO 18-4F: Special Features: SERVICE TEMPERATURE RANGE OF MINUS 65 DEG F TO PLUS 400 DEG F; 4 HOUR WORKING TIME; COLOR: DARK GREEN; PHYSICAL FORM: PASTE; MATERIAL: SILICONE; SPECIFIC USAGE: FOR AIRCRAFT FIREWALL APPLICATIONS; SEPERATE CATALYST; QUANTITY WITHIN EACH UNIT PACKAGE: 1.00 QUARTS; DEGF; Supplementary Features: 1 QUART KIT. 2 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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