PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

220974Glass Tubing Assortment

Epc Laboratories Inc. · NSN 6640-01-291-7941 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-01-291-7941 — this item is cataloged by the U.S. Government under National Stock Number 6640-01-291-7941. Primary manufacturer part number: 220974.
Features
  • Glass Tubing Assortment — FSC 6640
  • 1 verified cross-reference
  • Primary manufacturer: Epc Laboratories Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Glass Tubing Assortment, cataloged under National Stock Number 6640-01-291-7941, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Epc Laboratories Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGlass Tubing Assortment
FSC / FSG6640 — No Item Name Available (FSG 66)
ManufacturersEpc Laboratories Inc. (CAGE 50631)
Technical Specifications
ParameterValue
NSN6640-01-291-7941
Primary Part Number220974
Item NameGlass Tubing Assortment
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerEpc Laboratories Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2840-00-314-4918220974 INTERCHANGEABLE
Cover,drain Manifold
Curtiss-Wright Controls, Inc. Div Actuation Division
2530-00-640-2313220974 INTERCHANGEABLE
Adjuster,slack,brake
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
Cross-Reference Index
Part NumberManufacturer
220974 PRIMARY Epc Laboratories Inc. (USA)
Related Parts
2840-00-314-4918INTERCHANGEABLE
COVER,DRAIN MANIFOLD
220974
2530-00-640-2313INTERCHANGEABLE
ADJUSTER,SLACK,BRAKE
220974

Frequently Asked Questions

What is NSN 6640-01-291-7941?

NSN 6640-01-291-7941 is a Glass Tubing Assortment, manufactured by Epc Laboratories Inc., classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-01-291-7941?

NSN 6640-01-291-7941 has 1 cross-referenced part number: 220974 (Epc Laboratories Inc.).

What NSN replaces 6640-01-291-7941?

There are 2 known substitutes for 6640-01-291-7941: 2840-00-314-4918, 2530-00-640-2313. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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