PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19-032-1012QBulb,pressure and Circulating,la

Fisher Scientific Company L.l.c. · NSN 6640-00-494-3726 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-494-3726 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-494-3726. Primary manufacturer part number: 19-032-1012Q.
Features
  • Bulb,pressure and Circulating,la — FSC 6640
  • Material: RUBBER LOCATION NOT OTHERWISE SPECIFIED
  • Shape: ELLIPTICAL
  • Material: RUBBER VALVE
  • Valve Operation Method: PRESSURE AND SUCTION
  • Capacity Rating: 85.0 MILLILITERS MINIMUM
  • 4 verified cross-references
  • Primary manufacturer: Fisher Scientific Company L.l.c.
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
  • Applications requiring Rubber Location Not Otherwise Specified construction
General Description

The Bulb,pressure and Circulating,la, cataloged under National Stock Number 6640-00-494-3726, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Fisher Scientific Company L.l.c.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6640-00-494-3726
Primary Part Number19-032-1012Q
Item NameBulb,pressure and Circulating,la
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerFisher Scientific Company L.l.c.
StatusCANCELLED
MaterialRUBBER LOCATION NOT OTHERWISE SPECIFIED
ShapeELLIPTICAL
MaterialRUBBER VALVE
Valve Operation MethodPRESSURE AND SUCTION
Capacity Rating85.0 MILLILITERS MINIMUM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5310-00-423-526314087 INTERCHANGEABLE
Nut,plain,hexagon
Star Stainless Screw Co
6685-00-427-758735 1009 AW 02L 0/600# INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
4440-01-037-5628 INTERCHANGEABLE
Silencer,drier
4820-01-193-347114087 INTERCHANGEABLE
Crosshead,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
6640-01-409-6094 INTERCHANGEABLE
Bulb,pressure and Circulating,la
5330-01-549-913214087 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
Cross-Reference Index
Part NumberManufacturer
19-032-1012Q Fisher Scientific Company L.l.c. (USA)
16839 Mine Safety Appliances Company (USA)
MS36074-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
14-087 Fisher Scientific Company L.l.c. (USA)
Related Parts
5310-00-423-5263INTERCHANGEABLE
NUT,PLAIN,HEXAGON
14087
6685-00-427-7587INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
35 1009 AW 02L 0/600#
4440-01-037-5628INTERCHANGEABLE
SILENCER,DRIER
4820-01-193-3471INTERCHANGEABLE
CROSSHEAD,VALVE
14087
6640-01-409-6094INTERCHANGEABLE
BULB,PRESSURE AND CIRCULATING,LA
5330-01-549-9132INTERCHANGEABLE
SEAL,PLAIN ENCASED
14087

Frequently Asked Questions

What is NSN 6640-00-494-3726?

NSN 6640-00-494-3726 is a Bulb,pressure and Circulating,la, manufactured by Fisher Scientific Company L.l.c., classified under FSC 6640 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6640-00-494-3726?

NSN 6640-00-494-3726 has 4 cross-referenced part numbers: 19-032-1012Q (Fisher Scientific Company L.l.c.), 16839 (Mine Safety Appliances Company), MS36074-1 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 14-087 (Fisher Scientific Company L.l.c.).

What NSN replaces 6640-00-494-3726?

There are 6 known substitutes for 6640-00-494-3726: 5310-00-423-5263, 6685-00-427-7587, 4440-01-037-5628 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19-032-1012Q?

Key specifications for 19-032-1012Q: Material: RUBBER LOCATION NOT OTHERWISE SPECIFIED; Shape: ELLIPTICAL; Material: RUBBER VALVE; Part Name Assigned by Controlling Agency: BULB PRESSURE & CIRCULATING LAB 85ML 6IN O/A LG IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6640-00-494-3726 still in active supply?

NSN 6640-00-494-3726 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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