PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40066Hydration System

Camelbak Products, Llc Dba Camelbak · NSN 8465-01-541-7978 · FSC 8465 · No Item Name Available
Verified by PartsTable
NSN 8465-01-541-7978 — this item is cataloged by the U.S. Government under National Stock Number 8465-01-541-7978. Primary manufacturer part number: 40066.
Features
  • Hydration System — FSC 8465
  • Material: PLASTIC POLYAMIDE NYLON
  • Color: BROWN
  • Capacity Rating: 3.0 LITERS
  • Closure Type: LOCKING SCREW CAP
  • 1 verified cross-reference
  • Primary manufacturer: Camelbak Products, Llc Dba Camelbak
Applications
  • Applications requiring Plastic Polyamide Nylon construction
General Description

The Hydration System, cataloged under National Stock Number 8465-01-541-7978, 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 4 verified specifications, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN8465-01-541-7978
Primary Part Number40066
Item NameHydration System
FSC / FSG8465 / 84 — No Item Name Available
ManufacturerCamelbak Products, Llc Dba Camelbak
StatusACTIVE
MaterialPLASTIC POLYAMIDE NYLON
ColorBROWN
Capacity Rating3.0 LITERS
Closure TypeLOCKING SCREW CAP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5305-00-722-4630 INTERCHANGEABLE
Screw,wood
5950-00-826-9034602B886H01 INTERCHANGEABLE
Transformer,pulse
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4730-00-929-6338400-6-6 INTERCHANGEABLE
Elbow,pipe to Tube
Lenz Inc Dba the Lenz Company
4720-01-134-0651 INTERCHANGEABLE
Hose Assembly,nonmetallic
6685-01-331-0719 INTERCHANGEABLE
Transmitter,pressure
5365-01-394-733440066 INTERCHANGEABLE
Spacer,sleeve
Wilshire Corp
Cross-Reference Index
Part NumberManufacturer
40066 PRIMARY Camelbak Products, Llc Dba Camelbak (USA)
Related Parts
5305-00-722-4630INTERCHANGEABLE
SCREW,WOOD
5950-00-826-9034INTERCHANGEABLE
TRANSFORMER,PULSE
602B886H01
4730-00-929-6338INTERCHANGEABLE
ELBOW,PIPE TO TUBE
400-6-6
4720-01-134-0651INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
6685-01-331-0719INTERCHANGEABLE
TRANSMITTER,PRESSURE
5365-01-394-7334INTERCHANGEABLE
SPACER,SLEEVE
40066

Frequently Asked Questions

What is NSN 8465-01-541-7978?

NSN 8465-01-541-7978 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 8465-01-541-7978?

NSN 8465-01-541-7978 has 1 cross-referenced part number: 40066 (Camelbak Products, Llc Dba Camelbak).

What NSN replaces 8465-01-541-7978?

There are 6 known substitutes for 8465-01-541-7978: 5305-00-722-4630, 5950-00-826-9034, 4730-00-929-6338 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40066?

Key specifications for 40066: Material: PLASTIC POLYAMIDE NYLON; Overall Height: 4.000 INCHES NOMINAL IN; Special Features: W/CHEMBIO RESERVOIR AND TYPE M GAS MASK ADAPTER; VELCRO STRAPS; HYDROLOCK POSITIVE SHUTOFF VALVE AND HYDROLINK MODULAR CONNECTION SYSTEM; INSULATED; CARGO VOL 2.9 LITERS; AMBUSH DESERT CAMO MODEL; Overall Length: 18.500 INCHES NOMINAL IN. 8 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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