PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40158Hydration System

Camelbak Products, Llc Dba Camelbak · NSN 8465-01-565-4028 · FSC 8465 · No Item Name Available
Verified by PartsTable
NSN 8465-01-565-4028 — this item is cataloged by the U.S. Government under National Stock Number 8465-01-565-4028. Primary manufacturer part number: 40158.
Features
  • Hydration System — FSC 8465
  • Capacity Rating: 102.0 OUNCES OZ
  • 1 verified cross-reference
  • Primary manufacturer: Camelbak Products, Llc Dba Camelbak
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Hydration System, cataloged under National Stock Number 8465-01-565-4028, is classified within Federal Supply Class 8465 (No Item Name Available) of the Clothing, Individual Equipment, and Insignia group. The primary manufacturer of record is Camelbak Products, Llc Dba Camelbak. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN8465-01-565-4028
Primary Part Number40158
Item NameHydration System
FSC / FSG8465 / 84 — No Item Name Available
ManufacturerCamelbak Products, Llc Dba Camelbak
StatusACTIVE
Capacity Rating102.0 OUNCES OZ
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5340-00-528-450540158 INTERCHANGEABLE
Spring
Trw Inc Trw Commercial Steering Div
5330-00-575-911840158 INTERCHANGEABLE
Gasket
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
5840-00-642-7445 INTERCHANGEABLE
Assy,crystal Cavity
Cross-Reference Index
Part NumberManufacturer
40158 PRIMARY Camelbak Products, Llc Dba Camelbak (USA)
Related Parts
5340-00-528-4505INTERCHANGEABLE
SPRING
40158
5330-00-575-9118INTERCHANGEABLE
GASKET
40158
5840-00-642-7445INTERCHANGEABLE
ASSY,CRYSTAL CAVITY

Frequently Asked Questions

What is NSN 8465-01-565-4028?

NSN 8465-01-565-4028 is a Hydration System, manufactured by Camelbak Products, Llc Dba Camelbak, classified under FSC 8465 (No Item Name Available). Status: active.

What are the part numbers for NSN 8465-01-565-4028?

NSN 8465-01-565-4028 has 1 cross-referenced part number: 40158 (Camelbak Products, Llc Dba Camelbak).

What NSN replaces 8465-01-565-4028?

There are 3 known substitutes for 8465-01-565-4028: 5340-00-528-4505, 5330-00-575-9118, 5840-00-642-7445. Verify interchangeability with system specifications before substitution.

What are the specifications of 40158?

Key specifications for 40158: Part Name Assigned by Controlling Agency: TRANSFORMER CHEMICAL BIO RESERVOIR (CBR); Capacity Rating: 102.0 OUNCES OZ; Special Features: COLOR BLACK; TYPE S GMA; OMEGA RESERVOIR. 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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