PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2831-1Head,fluid Filter

Cox & Company, Inc. Dba Cox & Co Inc · NSN 1650-01-523-5691 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-01-523-5691 — this item is cataloged by the U.S. Government under National Stock Number 1650-01-523-5691. Primary manufacturer part number: 2831-1.
Features
  • Head,fluid Filter — FSC 1650
  • 1 verified cross-reference
  • Primary manufacturer: Cox & Company, Inc. Dba Cox & Co Inc
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Head,fluid Filter, cataloged under National Stock Number 1650-01-523-5691, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Cox & Company, Inc. Dba Cox & Co Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameHead,fluid Filter
FSC / FSG1650 — No Item Name Available (FSG 16)
ManufacturersCox & Company, Inc. Dba Cox & Co Inc (CAGE 98085)
Technical Specifications
ParameterValue
NSN1650-01-523-5691
Primary Part Number2831-1
Item NameHead,fluid Filter
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerCox & Company, Inc. Dba Cox & Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-106-2539 INTERCHANGEABLE
Nut,hexagon
5330-00-213-150628311 INTERCHANGEABLE
Gasket
Komatsu America Corporation
5325-00-266-66322436 INTERCHANGEABLE
Grommet,nonmetallic
Atlantic India Rubber Co Inc
5985-00-558-0635508-01436-133 INTERCHANGEABLE
Waveguide Assembly
Alabama Aircraft Industries, Inc. - Birmingham
2995-00-835-0309858886-1 INTERCHANGEABLE
Diaphratgm Assy,reg
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
5120-01-351-3953P90978 INTERCHANGEABLE
Puller,mechanical
Jlg Industries, Inc.
Cross-Reference Index
Part NumberManufacturer
2831-1 Cox & Company, Inc. Dba Cox & Co Inc (USA)
Related Parts
5310-00-106-2539INTERCHANGEABLE
NUT,HEXAGON
5330-00-213-1506INTERCHANGEABLE
GASKET
28311
5325-00-266-6632INTERCHANGEABLE
GROMMET,NONMETALLIC
2436
5985-00-558-0635INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
508-01436-133
2995-00-835-0309INTERCHANGEABLE
DIAPHRATGM ASSY,REG
858886-1
5120-01-351-3953INTERCHANGEABLE
PULLER,MECHANICAL
P90978

Frequently Asked Questions

What is NSN 1650-01-523-5691?

NSN 1650-01-523-5691 is a Head,fluid Filter, manufactured by Cox & Company, Inc. Dba Cox & Co Inc, classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-01-523-5691?

NSN 1650-01-523-5691 has 1 cross-referenced part number: 2831-1 (Cox & Company, Inc. Dba Cox & Co Inc).

What NSN replaces 1650-01-523-5691?

There are 6 known substitutes for 1650-01-523-5691: 5310-00-106-2539, 5330-00-213-1506, 5325-00-266-6632 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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