PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6668Cartridge Assembly,respiratory S

Bird Products Corp · NSN 6515-01-317-8502 · FSC 6515 · No Item Name Available
Verified by PartsTable
NSN 6515-01-317-8502 — this item is cataloged by the U.S. Government under National Stock Number 6515-01-317-8502. Primary manufacturer part number: 6668.
Features
  • Cartridge Assembly,respiratory S — FSC 6515
  • Purchase Description Identification: 56712-6668
  • General Characteristics Item Description: FOR USE ON RESPIRATORY THERAPY SYSTEM; MDL. MARK 7A A
  • 1 verified cross-reference
  • Primary manufacturer: Bird Products Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cartridge Assembly,respiratory S, cataloged under National Stock Number 6515-01-317-8502, is classified within Federal Supply Class 6515 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Bird Products Corp. Government technical data includes 2 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6515-01-317-8502
Primary Part Number6668
Item NameCartridge Assembly,respiratory S
FSC / FSG6515 / 65 — No Item Name Available
ManufacturerBird Products Corp
StatusACTIVE
Purchase Description Identification56712-6668
General Characteristics Item DescriptionFOR USE ON RESPIRATORY THERAPY SYSTEM; MDL. MARK 7A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 11
2530-00-140-36841097-668 INTERCHANGEABLE
Tie Rod,steering
Wheeler Fleet Solutions, Co.
6610-00-181-62816668 INTERCHANGEABLE
Spring,pendulum
Sigma Tek, Inc.
4730-00-193-2700A733S-128CFB INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
4510-00-478-8150 INTERCHANGEABLE
Faucet,single
4720-00-815-6354 INTERCHANGEABLE
Hose,nonmetallic
5826-00-853-73726668 INTERCHANGEABLE
Panel,module
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
5950-00-955-9884900266-8 INTERCHANGEABLE
Saturable Reactor
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5365-01-098-58686668-1R INTERCHANGEABLE
Spacer
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
3020-01-110-9916 INTERCHANGEABLE
Gear Cluster
4820-01-176-05016600D33 INTERCHANGEABLE
Piston Sensing Assembly
Greno Industries, Inc. Dba Greno Industries Inc
Cross-Reference Index
Part NumberManufacturer
6668 PRIMARY Bird Products Corp (USA)
Related Parts
2530-00-140-3684INTERCHANGEABLE
TIE ROD,STEERING
1097-668
6610-00-181-6281INTERCHANGEABLE
SPRING,PENDULUM
6668
4730-00-193-2700INTERCHANGEABLE
NIPPLE,PIPE
A733S-128CFB
4510-00-478-8150INTERCHANGEABLE
FAUCET,SINGLE
4720-00-815-6354INTERCHANGEABLE
HOSE,NONMETALLIC
5826-00-853-7372INTERCHANGEABLE
PANEL,MODULE
6668
5950-00-955-9884INTERCHANGEABLE
SATURABLE REACTOR
900266-8
5365-01-098-5868INTERCHANGEABLE
SPACER
6668-1R
3020-01-110-9916INTERCHANGEABLE
GEAR CLUSTER
4820-01-176-0501INTERCHANGEABLE
PISTON SENSING ASSEMBLY
6600D33
2330-01-387-5424INTERCHANGEABLE
CHASSIS,TRAILER
12450001

Frequently Asked Questions

What is NSN 6515-01-317-8502?

NSN 6515-01-317-8502 is a Cartridge Assembly,respiratory S, manufactured by Bird Products Corp, classified under FSC 6515 (No Item Name Available). Status: active.

What are the part numbers for NSN 6515-01-317-8502?

NSN 6515-01-317-8502 has 1 cross-referenced part number: 6668 (Bird Products Corp).

What NSN replaces 6515-01-317-8502?

There are 11 known substitutes for 6515-01-317-8502: 2530-00-140-3684, 6610-00-181-6281, 4730-00-193-2700 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6668?

Key specifications for 6668: Purchase Description Identification: 56712-6668; General Characteristics Item Description: FOR USE ON RESPIRATORY THERAPY SYSTEM; MDL. MARK 7A A; End Item Identification: 6515-01-119-7679; Part Name Assigned by Controlling Agency: CARTRIDGE ASSEMBLY RESPIRATORY SYSTEM E.I. NSN 6515-01-119-7679. 4 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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