PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

222-3-1Holder,adsorption Tube

Skc Inc · NSN 6640-01-249-6657 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-01-249-6657 — this item is cataloged by the U.S. Government under National Stock Number 6640-01-249-6657. Primary manufacturer part number: 222-3-1.
Features
  • Holder,adsorption Tube — FSC 6640
  • General Characteristics Item Description: TYPE A HOLDER; FITS TUBES OF 6 MM OD BY 70 MM LG; W/NYLON PROTECTION SHIELD,COLLAR CLIP,NO-LEAK SEAL,ALUMINUM FITTING AND TYGON CONNECTING TUBE; USED W/222-SERIES PUMPS MM
  • 1 verified cross-reference
  • Primary manufacturer: Skc Inc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Holder,adsorption Tube, cataloged under National Stock Number 6640-01-249-6657, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Skc Inc. 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6640-01-249-6657
Primary Part Number222-3-1
Item NameHolder,adsorption Tube
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerSkc Inc
StatusACTIVE
General Characteristics Item DescriptionTYPE A HOLDER; FITS TUBES OF 6 MM OD BY 70 MM LG; W/NYLON PROTECTION SHIELD,COLLAR CLIP,NO-LEAK SEAL,ALUMINUM FITTING AND TYGON CONNECTING TUBE; USED W/222-SERIES PUMPS MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5305-00-282-3230 INTERCHANGEABLE
Screw,machine
5950-00-813-6404 INTERCHANGEABLE
Coil,radio Frequency
8030-01-069-304622231 INTERCHANGEABLE
Sealing Compound
Loctite Corp
5331-01-097-8242803-1385721-8-4 INTERCHANGEABLE
O-Ring
Naval Sea Systems Command
4820-01-142-793322231-100 INTERCHANGEABLE
Valve,plug
Hydraulics International, Inc. Dba Hydraulics International Inc
2990-01-174-416422231 INTERCHANGEABLE
Muffler,exhaust
Walker Mfg Co
6130-01-567-72280215628-1 INTERCHANGEABLE
Power Supply,uninterruptible
Niwc Pacific San Diego Navy Erp Dba Naval Information Warfare Center Pacific Div Naval Information Warfare Center Pacific
5970-01-619-696522231 INTERCHANGEABLE
Insulation Sleeving,electrical
Waytek Inc
Cross-Reference Index
Part NumberManufacturer
222-3-1 PRIMARY Skc Inc (USA)
Related Parts
5305-00-282-3230INTERCHANGEABLE
SCREW,MACHINE
5950-00-813-6404INTERCHANGEABLE
COIL,RADIO FREQUENCY
8030-01-069-3046INTERCHANGEABLE
SEALING COMPOUND
22231
5331-01-097-8242INTERCHANGEABLE
O-RING
803-1385721-8-4
4820-01-142-7933INTERCHANGEABLE
VALVE,PLUG
22231-100
2990-01-174-4164INTERCHANGEABLE
MUFFLER,EXHAUST
22231
6130-01-567-7228INTERCHANGEABLE
POWER SUPPLY,UNINTERRUPTIBLE
0215628-1
5970-01-619-6965INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
22231

Frequently Asked Questions

What is NSN 6640-01-249-6657?

NSN 6640-01-249-6657 is a Holder,adsorption Tube, manufactured by Skc Inc, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-01-249-6657?

NSN 6640-01-249-6657 has 1 cross-referenced part number: 222-3-1 (Skc Inc).

What NSN replaces 6640-01-249-6657?

There are 8 known substitutes for 6640-01-249-6657: 5305-00-282-3230, 5950-00-813-6404, 8030-01-069-3046 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 222-3-1?

Key specifications for 222-3-1: Part Name Assigned by Controlling Agency: HOLDER TUBE GAS DETECTOR TYPE A HOLDER FITS 6MM OD X 70MM LG MM; General Characteristics Item Description: TYPE A HOLDER; FITS TUBES OF 6 MM OD BY 70 MM LG; W/NYLON PROTECTION SHIELD,COLLAR CLIP,NO-LEAK SEAL,ALUMINUM FITTING AND TYGON CONNECTING TUBE; USED W/222-SERIES PUMPS MM. 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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