PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L40784Antigen,proteus Ox K

Fisher Scientific Company L.l.c. · NSN 6550-00-890-1965 · FSC 6550 · No Item Name Available
Verified by PartsTable
NSN 6550-00-890-1965 — this item is cataloged by the U.S. Government under National Stock Number 6550-00-890-1965. Primary manufacturer part number: L40784.
Features
  • Antigen,proteus Ox K — FSC 6550
  • Protective Storage Feature: REQUIRES REFRIGERATION BETWEEN 2 DEG TO 8 DEG C AND SUBJECT TO DAMAGE BY FREEZING AND EXPIRATION DATED DEGC
  • Primary Container Content Quantity: 5.000 MILLILITERS
  • Primary Container Type: BOTTLE
  • 4 verified cross-references
  • Primary manufacturer: Fisher Scientific Company L.l.c.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Antigen,proteus Ox K, cataloged under National Stock Number 6550-00-890-1965, is classified within Federal Supply Class 6550 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Fisher Scientific Company L.l.c.. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: BT.

Technical Specifications
ParameterValue
NSN6550-00-890-1965
Primary Part NumberL40784
Item NameAntigen,proteus Ox K
FSC / FSG6550 / 65 — No Item Name Available
ManufacturerFisher Scientific Company L.l.c.
StatusCANCELLED
Protective Storage FeatureREQUIRES REFRIGERATION BETWEEN 2 DEG TO 8 DEG C AND SUBJECT TO DAMAGE BY FREEZING AND EXPIRATION DATED DEGC
Primary Container Content Quantity5.000 MILLILITERS
Primary Container TypeBOTTLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueBT
Verified Substitutes 7
4310-00-367-5140 INTERCHANGEABLE
Vacuum Pump,reciprocating
6675-00-373-389940-784 INTERCHANGEABLE
Worm Assembly
Warren Industries Inc Dba Warren Industries Inc Div Warren-Knight Instrument Co. and N. Amer. Survey Supply Co.
3120-00-398-8159 INTERCHANGEABLE
Bearing,sleeve
5950-00-404-21501097D INTERCHANGEABLE
Transformer,audio Frequency
A M I/ Coast Magnetics Inc. Dba Coast Magnetics
5305-01-250-2491240784 INTERCHANGEABLE
Thumbscrew
Lockheed Martin Corp Electronics and Missiles Div
5365-01-445-919951806 INTERCHANGEABLE
Spacer,ring
Tech Products Corp
4240-01-632-2400247531 INTERCHANGEABLE
Helmet,welder's
Miller Electric Mfg. Llc
Cross-Reference Index
Part NumberManufacturer
L40784 Fisher Scientific Company L.l.c. (USA)
240784 Becton-Dickinson and Co Microbiology Systems Div (USA)
2475-31 Fisher Scientific Company L.l.c. (USA)
40784 Becton-Dickinson and Co Microbiology Systems Div (USA)
Related Parts
4310-00-367-5140INTERCHANGEABLE
VACUUM PUMP,RECIPROCATING
6675-00-373-3899INTERCHANGEABLE
WORM ASSEMBLY
40-784
3120-00-398-8159INTERCHANGEABLE
BEARING,SLEEVE
5950-00-404-2150INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
1097D
5305-01-250-2491INTERCHANGEABLE
THUMBSCREW
240784
5365-01-445-9199INTERCHANGEABLE
SPACER,RING
51806
4240-01-632-2400INTERCHANGEABLE
HELMET,WELDER'S
247531

Frequently Asked Questions

What is NSN 6550-00-890-1965?

NSN 6550-00-890-1965 is a Antigen,proteus Ox K, manufactured by Fisher Scientific Company L.l.c., classified under FSC 6550 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6550-00-890-1965?

NSN 6550-00-890-1965 has 4 cross-referenced part numbers: L40784 (Fisher Scientific Company L.l.c.), 240784 (Becton-Dickinson and Co Microbiology Systems Div), 2475-31 (Fisher Scientific Company L.l.c.), 40784 (Becton-Dickinson and Co Microbiology Systems Div).

What NSN replaces 6550-00-890-1965?

There are 7 known substitutes for 6550-00-890-1965: 4310-00-367-5140, 6675-00-373-3899, 3120-00-398-8159 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of L40784?

Key specifications for L40784: Part Name Assigned by Controlling Agency: ANTIGEN PROTEUS OXK PROTEUS 5ML BT; Protective Storage Feature: REQUIRES REFRIGERATION BETWEEN 2 DEG TO 8 DEG C AND SUBJECT TO DAMAGE BY FREEZING AND EXPIRATION DATED DEGC; Primary Container Content Quantity: 5.000 MILLILITERS; Primary Container Type: BOTTLE. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6550-00-890-1965 still in active supply?

NSN 6550-00-890-1965 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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