PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20121Hydration System

Camelbak Products, Llc Dba Camelbak · NSN 8465-01-506-9261 · FSC 8465 · No Item Name Available
Verified by PartsTable
NSN 8465-01-506-9261 — this item is cataloged by the U.S. Government under National Stock Number 8465-01-506-9261. Primary manufacturer part number: 20121.
Features
  • Hydration System — FSC 8465
  • 8 verified cross-references
  • 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 8465-01-506-9261, 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. This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN8465-01-506-9261
Primary Part Number20121
Item NameHydration System
FSC / FSG8465 / 84 — No Item Name Available
ManufacturerCamelbak Products, Llc Dba Camelbak
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-026-257720-121 INTERCHANGEABLE
Screw
Motorola Automotive Electronics
6220-00-110-892120121 INTERCHANGEABLE
Main Casting,retractable Landing
Grimes Aerospace Company
5133-00-228-1370 INTERCHANGEABLE
Drill,twist
5940-00-258-21207612531 INTERCHANGEABLE
Terminal,lug
Us Army Aviation and Missile Command
3020-00-402-8238 INTERCHANGEABLE
Pulley,groove
5940-00-680-9727 INTERCHANGEABLE
Terminal,feedthru
5910-00-832-981420121 INTERCHANGEABLE
Capacitor Assembly
Clantech, Inc.
3040-01-101-983170400-01250-043 INTERCHANGEABLE
Connecting Link,rigid
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
4130-01-140-176720121 INTERCHANGEABLE
Coil,condenser
Frick Co
5330-01-176-798028094 INTERCHANGEABLE
Gasket
Alliance Laundry Systems Llc
Cross-Reference Index
Part NumberManufacturer
846500024 Gauzon Iberica SL (ESP)
20121 Milipol Zrt. (milipol Corp.) (HUN)
20121 3L THERMOBAK Camelbak (GBR)
798233412001 Ncb Hungary (honvedsegi Egyseges Termekkod) (HUN)
20121 3L THERMOBAK Camelbak Products, Llc Dba Camelbak (USA)
20121 Combat Kereskedelmi Kft. Combat Trade Company (HUN)
20121 PRIMARY Camelbak Products, Llc Dba Camelbak (USA)
THERMOBAK 3L WOODLAND CAMO Camelbak Products, Llc Dba Camelbak (USA)
Related Parts
5305-00-026-2577INTERCHANGEABLE
SCREW
20-121
6220-00-110-8921INTERCHANGEABLE
MAIN CASTING,RETRACTABLE LANDING
20121
5133-00-228-1370INTERCHANGEABLE
DRILL,TWIST
5940-00-258-2120INTERCHANGEABLE
TERMINAL,LUG
7612531
3020-00-402-8238INTERCHANGEABLE
PULLEY,GROOVE
5940-00-680-9727INTERCHANGEABLE
TERMINAL,FEEDTHRU
5910-00-832-9814INTERCHANGEABLE
CAPACITOR ASSEMBLY
20121
3040-01-101-9831INTERCHANGEABLE
CONNECTING LINK,RIGID
70400-01250-043
4130-01-140-1767INTERCHANGEABLE
COIL,CONDENSER
20121
5330-01-176-7980INTERCHANGEABLE
GASKET
28094
3040-01-195-4050INTERCHANGEABLE
SHOE,CAM ROLLER
20121
4920-01-299-0279INTERCHANGEABLE
TEST PROGRAM SET
20121

Frequently Asked Questions

What is NSN 8465-01-506-9261?

NSN 8465-01-506-9261 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 8465-01-506-9261?

NSN 8465-01-506-9261 has 8 cross-referenced part numbers: 846500024 (Gauzon Iberica SL), 20121 (Milipol Zrt. (milipol Corp.)), 20121 3L THERMOBAK (Camelbak), 798233412001 (Ncb Hungary (honvedsegi Egyseges Termekkod)), 20121 3L THERMOBAK (Camelbak Products, Llc Dba Camelbak) and 3 more.

What NSN replaces 8465-01-506-9261?

There are 12 known substitutes for 8465-01-506-9261: 5305-00-026-2577, 6220-00-110-8921, 5133-00-228-1370 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20121?

Key specifications for 20121: Part Name Assigned by Controlling Agency: THERMOBAK 3L WOODLAND CAMO; Special Features: BACK WORN HYDRATION SYSTEM, CAPACITY 100 OUNCES; 3 LITERS; CARGO STORAGE180 CUBIC INCHES; EMPTY WEIGHT IS 1.13 POUNDS; WOODLAND CAMO COLOR; BURST RESISTANT POLYURETHANE RESERVOR WITH EXTERIOR FILLPORT AND LEAK-PROOF THREADED CAP, DETACHABLE INSULATED DRINKING TUBE WITH BITE VALVE AND COVER, POSITIVE SHUT-OFF VALVE, ERGONOMIC CARRYING HANDLE; ADJUSTABLE QUICK-RELEASE SHOULDER STRAPS, ABRASION-RESISTANT 1000D CORDURA NYLON SHELL; SNAPPING RESERVOIR COMPARTMENT; VENTILATED MESH BACK PANEL LBS. 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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