PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20211Drinking System

Camelbak Products, Llc Dba Camelbak · NSN 8465-01-517-4761 · FSC 8465 · No Item Name Available
Verified by PartsTable
NSN 8465-01-517-4761 — this item is cataloged by the U.S. Government under National Stock Number 8465-01-517-4761. Primary manufacturer part number: 20211.
Features
  • Drinking System — FSC 8465
  • General Characteristics Item Description: BACK WORN HYDRATION SYSTEM; CAPACITY: 102 OZ. (3.1 LITER); 17"L X 12"W X 2"D; VOLUME: CARGO STORAGE 90 CUBIC INCHES, CARGO INCLUDING WATER 274 CUBIC INCHES; EMPTY WEIGHT: 1.9 LBS; COLOR: BLACK, BURST-RESISTANT POLYURETHANE BAFFLED RESERVOIR WITH EXTERNAL ACCESS WIDE-OPENING FILLPORT AND LEAK-PROOF THREADED CAP, DETACHABLE INSULATED DRINKING TUBE WITH BITE VALVE AND COVER, POSITIVE SHUT-OFF VALVE, ABRASION-RESISTANT 1000D CORDURA NYLON SHELL; ZIPPERED STORAGE POCKETS, ADJUSTABLE PADDED SHOULDER SUSPENSION HARNESS WITH QUICK RELEASE BUCKLES, STERNUM STRAP WITH QUICK RELEASE BUCKLE, VENTILATED BACK PANEL LBS
  • 3 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 Drinking System, cataloged under National Stock Number 8465-01-517-4761, 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 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN8465-01-517-4761
Primary Part Number20211
Item NameDrinking System
FSC / FSG8465 / 84 — No Item Name Available
ManufacturerCamelbak Products, Llc Dba Camelbak
StatusACTIVE
General Characteristics Item DescriptionBACK WORN HYDRATION SYSTEM; CAPACITY: 102 OZ. (3.1 LITER); 17"L X 12"W X 2"D; VOLUME: CARGO STORAGE 90 CUBIC INCHES, CARGO INCLUDING WATER 274 CUBIC INCHES; EMPTY WEIGHT: 1.9 LBS; COLOR: BLACK, BURST-RESISTANT POLYURETHANE BAFFLED RESERVOIR WITH EXTERNAL ACCESS WIDE-OPENING FILLPORT AND LEAK-PROOF THREADED CAP, DETACHABLE INSULATED DRINKING TUBE WITH BITE VALVE AND COVER, POSITIVE SHUT-OFF VALVE, ABRASION-RESISTANT 1000D CORDURA NYLON SHELL; ZIPPERED STORAGE POCKETS, ADJUSTABLE PADDED SHOULDER SUSPENSION HARNESS WITH QUICK RELEASE BUCKLES, STERNUM STRAP WITH QUICK RELEASE BUCKLE, VENTILATED BACK PANEL LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3110-00-156-6867206703-7 INTERCHANGEABLE
Bearing,ball,annular
Naval Sea Systems Command
5120-00-228-9507J1218TF INTERCHANGEABLE
Wrench,box and Open End,combinat
The Stanley Works Dba Stanley Proto
3810-00-730-6189202-0011 INTERCHANGEABLE
Ventilator,cab
Cmc of Georgia, Inc.
4730-00-755-77292-4-4 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Formrite Tube Co
5950-00-891-2586202-11 INTERCHANGEABLE
Coil,radio Frequency
Wilco Corp
4820-01-180-1757 INTERCHANGEABLE
Valve,safety Relief
4820-01-180-6691 INTERCHANGEABLE
Valve,safety Relief
5330-01-191-815020211 INTERCHANGEABLE
Retainer,packing
Flowserve Inc
5310-01-196-324920211 INTERCHANGEABLE
Nut,plain,hexagon
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
4810-01-240-004620426 INTERCHANGEABLE
Body,valve
Pneudraulics, Inc.
Cross-Reference Index
Part NumberManufacturer
20211 PRIMARY Camelbak Products, Llc Dba Camelbak (USA)
20211 Camelbak (GBR)
VIPER BLACK Camelbak Products, Llc Dba Camelbak (USA)
Related Parts
3110-00-156-6867INTERCHANGEABLE
BEARING,BALL,ANNULAR
206703-7
5120-00-228-9507INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
J1218TF
3810-00-730-6189INTERCHANGEABLE
VENTILATOR,CAB
202-0011
4730-00-755-7729INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
2-4-4
5950-00-891-2586INTERCHANGEABLE
COIL,RADIO FREQUENCY
202-11
4820-01-180-1757INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-01-180-6691INTERCHANGEABLE
VALVE,SAFETY RELIEF
5330-01-191-8150INTERCHANGEABLE
RETAINER,PACKING
20211
5310-01-196-3249INTERCHANGEABLE
NUT,PLAIN,HEXAGON
20211
4810-01-240-0046INTERCHANGEABLE
BODY,VALVE
20426
6640-01-352-0525INTERCHANGEABLE
PAPER,FILTER
202-11

Frequently Asked Questions

What is NSN 8465-01-517-4761?

NSN 8465-01-517-4761 is a Drinking 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 8465-01-517-4761?

NSN 8465-01-517-4761 has 3 cross-referenced part numbers: 20211 (Camelbak Products, Llc Dba Camelbak), 20211 (Camelbak), VIPER BLACK (Camelbak Products, Llc Dba Camelbak).

What NSN replaces 8465-01-517-4761?

There are 11 known substitutes for 8465-01-517-4761: 3110-00-156-6867, 5120-00-228-9507, 3810-00-730-6189 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20211?

Key specifications for 20211: General Characteristics Item Description: BACK WORN HYDRATION SYSTEM; CAPACITY: 102 OZ. (3.1 LITER); 17"L X 12"W X 2"D; VOLUME: CARGO STORAGE 90 CUBIC INCHES, CARGO INCLUDING WATER 274 CUBIC INCHES; EMPTY WEIGHT: 1.9 LBS; COLOR: BLACK, BURST-RESISTANT POLYURETHANE BAFFLED RESERVOIR WITH EXTERNAL ACCESS WIDE-OPENING FILLPORT AND LEAK-PROOF THREADED CAP, DETACHABLE INSULATED DRINKING TUBE WITH BITE VALVE AND COVER, POSITIVE SHUT-OFF VALVE, ABRASION-RESISTANT 1000D CORDURA NYLON SHELL; ZIPPERED STORAGE POCKETS, ADJUSTABLE PADDED SHOULDER SUSPENSION HARNESS WITH QUICK RELEASE BUCKLES, STERNUM STRAP WITH QUICK RELEASE BUCKLE, VENTILATED BACK PANEL LBS. 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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