PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300555Needle,vacuum Pump

Sargent-Welch Scientific Co · NSN 4310-01-094-0506 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-01-094-0506 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-094-0506. Primary manufacturer part number: 300555.
Features
  • Needle,vacuum Pump — FSC 4310
  • General Characteristics Item Description: STEEL,STAINLESS,TYPE 303; 3.250 IN. O/A LG; 0.375 IN. MAJOR DIA TAPER TO 0.250 IN. INTERMEDIATE DIA; 0.375-32 NS- THD 0.750 IN LG 1.250 IN. FROM TAPERED END; 0.125 IN. MINOR DIA NEEDLE END; 1 IN. BLACK KNURLED KNOB IN
  • 5 verified cross-references
  • Primary manufacturer: Sargent-Welch Scientific Co
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Needle,vacuum Pump, cataloged under National Stock Number 4310-01-094-0506, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Sargent-Welch Scientific Co. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4310-01-094-0506
Primary Part Number300555
Item NameNeedle,vacuum Pump
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerSargent-Welch Scientific Co
StatusCANCELLED
General Characteristics Item DescriptionSTEEL,STAINLESS,TYPE 303; 3.250 IN. O/A LG; 0.375 IN. MAJOR DIA TAPER TO 0.250 IN. INTERMEDIATE DIA; 0.375-32 NS- THD 0.750 IN LG 1.250 IN. FROM TAPERED END; 0.125 IN. MINOR DIA NEEDLE END; 1 IN. BLACK KNURLED KNOB IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-073-3344 INTERCHANGEABLE
Gasket
3110-00-100-0294 INTERCHANGEABLE
Cup,tapered Roller Bearing
5965-00-113-518617-04617-1 INTERCHANGEABLE
Headset-Microphone
Naval Air Warfare Ctr Aircraft Div
5320-00-136-2915HL94-5 INTERCHANGEABLE
Collar,pin-Rivet
Hi-Shear Corporation
6650-00-430-029630-055 INTERCHANGEABLE
Lens,magnifier
Edmund Optics, Inc
5910-00-475-977280385-01 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Ge Aviation Systems Llc
2520-00-521-6186332 INTERCHANGEABLE
Parts Kit,universal Joint
Precision Universal Joint Corp
5365-00-663-93401551909 INTERCHANGEABLE
Bushing,nonmetallic
Chrysler Realty Company Llc Dba Daimler Chrysler
4930-00-675-494709833 INTERCHANGEABLE
Stop Assembly,cable
Hersh Packing & Rubber Co
4820-00-753-3853 INTERCHANGEABLE
Cock,plug
Cross-Reference Index
Part NumberManufacturer
300555 Sargent-Welch Scientific Co (USA)
3000555 Sargent-Welch Scientific Co Lammert Pump (USA)
30055 Sargent-Welch Scientific Co Lammert Pump (USA)
301095-B Sargent-Welch Scientific Co Lammert Pump (USA)
300555 Sargent-Welch Scientific Co Lammert Pump (USA)
Related Parts
5330-00-073-3344INTERCHANGEABLE
GASKET
3110-00-100-0294INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
5965-00-113-5186INTERCHANGEABLE
HEADSET-MICROPHONE
17-04617-1
5320-00-136-2915INTERCHANGEABLE
COLLAR,PIN-RIVET
HL94-5
6650-00-430-0296INTERCHANGEABLE
LENS,MAGNIFIER
30-055
5910-00-475-9772INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
80385-01
2520-00-521-6186INTERCHANGEABLE
PARTS KIT,UNIVERSAL JOINT
332
5365-00-663-9340INTERCHANGEABLE
BUSHING,NONMETALLIC
1551909
4930-00-675-4947INTERCHANGEABLE
STOP ASSEMBLY,CABLE
09833
4820-00-753-3853INTERCHANGEABLE
COCK,PLUG
5950-00-824-5521INTERCHANGEABLE
TRANSFORMER,PULSE
10548227
5935-00-866-5894INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
220-1586-050

Frequently Asked Questions

What is NSN 4310-01-094-0506?

NSN 4310-01-094-0506 is a Needle,vacuum Pump, manufactured by Sargent-Welch Scientific Co, classified under FSC 4310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4310-01-094-0506?

NSN 4310-01-094-0506 has 5 cross-referenced part numbers: 300555 (Sargent-Welch Scientific Co), 3000555 (Sargent-Welch Scientific Co Lammert Pump), 30055 (Sargent-Welch Scientific Co Lammert Pump), 301095-B (Sargent-Welch Scientific Co Lammert Pump), 300555 (Sargent-Welch Scientific Co Lammert Pump).

What NSN replaces 4310-01-094-0506?

There are 12 known substitutes for 4310-01-094-0506: 5330-00-073-3344, 3110-00-100-0294, 5965-00-113-5186 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 300555?

Key specifications for 300555: General Characteristics Item Description: STEEL,STAINLESS,TYPE 303; 3.250 IN. O/A LG; 0.375 IN. MAJOR DIA TAPER TO 0.250 IN. INTERMEDIATE DIA; 0.375-32 NS- THD 0.750 IN LG 1.250 IN. FROM TAPERED END; 0.125 IN. MINOR DIA NEEDLE END; 1 IN. BLACK KNURLED KNOB IN. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4310-01-094-0506 still in active supply?

NSN 4310-01-094-0506 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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