PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51831Sealer,chemical

Loctite Corp · NSN 6850-01-374-3504 · FSC 6850 · No Item Name Available
Verified by PartsTable
NSN 6850-01-374-3504 — this item is cataloged by the U.S. Government under National Stock Number 6850-01-374-3504. Primary manufacturer part number: 51831.
Features
  • Sealer,chemical — FSC 6850
  • 8 verified cross-references
  • Primary manufacturer: Loctite Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sealer,chemical, cataloged under National Stock Number 6850-01-374-3504, is classified within Federal Supply Class 6850 (No Item Name Available) of the Chemicals and Chemical Products group. The primary manufacturer of record is Loctite Corp. This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6850-01-374-3504
Primary Part Number51831
Item NameSealer,chemical
FSC / FSG6850 / 68 — No Item Name Available
ManufacturerLoctite Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6130-00-090-89325183-1 INTERCHANGEABLE
Inverter,power,static
Air Filters Inc
5935-00-903-8499GC810A9E INTERCHANGEABLE
Connector,plug,electrical
Northrop Grumman Systems Corporation
6850-01-374-2338G391652 INTERCHANGEABLE
Sealer,chemical
Hernon Manufacturing, Inc.
5340-01-483-6998135481 INTERCHANGEABLE
Plate,mounting
G & E Machine Works Inc
6150-01-599-914613548-1 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Breeze-Eastern Llc
Cross-Reference Index
Part NumberManufacturer
P00956 General Atomics Aeronautical Systems, Inc. (USA)
135481 Loctite Corp (USA)
LOCTITE 518 Loctite Corp (USA)
SELF SEELER 615 Hernon Manufacturing, Inc. (USA)
51831 PRIMARY Loctite Corp (USA)
LOCTITE 518 Henkel Australia (AUS)
GASKET REPLACER 916 Hernon Manufacturing, Inc. (USA)
518 Loctite Corp (USA)
Related Parts
6130-00-090-8932INTERCHANGEABLE
INVERTER,POWER,STATIC
5183-1
5935-00-903-8499INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
GC810A9E
6850-01-374-2338INTERCHANGEABLE
SEALER,CHEMICAL
G391652
5340-01-483-6998INTERCHANGEABLE
PLATE,MOUNTING
135481
6150-01-599-9146INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
13548-1

Frequently Asked Questions

What is NSN 6850-01-374-3504?

NSN 6850-01-374-3504 is a Sealer,chemical, manufactured by Loctite Corp, classified under FSC 6850 (No Item Name Available). Status: active.

What are the part numbers for NSN 6850-01-374-3504?

NSN 6850-01-374-3504 has 8 cross-referenced part numbers: P00956 (General Atomics Aeronautical Systems, Inc.), 135481 (Loctite Corp), LOCTITE 518 (Loctite Corp), SELF SEELER 615 (Hernon Manufacturing, Inc.), 51831 (Loctite Corp) and 3 more.

What NSN replaces 6850-01-374-3504?

There are 5 known substitutes for 6850-01-374-3504: 6130-00-090-8932, 5935-00-903-8499, 6850-01-374-2338 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51831?

Key specifications for 51831: Special Features: THIXOTROPIC; MEDIUM STRENGTH; ANAEROBIC CURE. PHYSICAL FORM: PASTE, QUANTITY WITHIN EACH UNIT PACKAGE: MILLILITERS 50.000, USAGE DESIGN: FOR SEALING CLOSE FITTING JOINTS BETWEEN RIGID METAL FACES AND FLANGES, RATED DRYING TIME: HOURS NOMINAL 1.000, SPECIAL FEATURES: THIXOTROPIC; MEDIUM STRENGTH; ANAEROBIC CURE, COLOR: RED, MATERIAL: PLASTIC ACRYLIC, 50 MILLILITER TUBE.. 1 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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