PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

9-956Filter Pump,water Jet,laboratory

Name: 9-956
SKU: 6640-00-973-9425

Fisher Scientific Worldwide · NSN 6640-00-973-9425 · FSC 6640 · No Item Name Available

Verified by PartsTable

NSN 6640-00-973-9425 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-973-9425. Primary manufacturer part number: 9-956.

6640-00-973-9425 — No Item Name Available illustration

Features

Filter Pump,water Jet,laboratory — FSC 6640
General Characteristics Item Description: FISHER AIREJECTOR DESIGN; BRASS; 5.500 IN. LG O/A; FAUCET CONNECTION THREAD DATA,3/8 IN. SIZE,NPT; AIR INLET CONNECTION DATA,SERRATED,3/8 IN. DIA O/A IN
3 verified cross-references
Primary manufacturer: Fisher Scientific Worldwide

Applications

Fluid transfer and circulation
Cooling system maintenance
Industrial process pumping
Fluid filtration and purification
Engine intake air cleaning

General Description

The Filter Pump,water Jet,laboratory, cataloged under National Stock Number 6640-00-973-9425, 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 Worldwide. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications

Parameter	Value
NSN	6640-00-973-9425
Primary Part Number	9-956
Item Name	Filter Pump,water Jet,laboratory
FSC / FSG	6640 / 66 — No Item Name Available
Manufacturer	Fisher Scientific Worldwide
Status	CANCELLED
General Characteristics Item Description	FISHER AIREJECTOR DESIGN; BRASS; 5.500 IN. LG O/A; FAUCET CONNECTION THREAD DATA,3/8 IN. SIZE,NPT; AIR INLET CONNECTION DATA,SERRATED,3/8 IN. DIA O/A IN

Lifecycle & Compliance

Acquisition Status	CANCELLED
HAZMAT	No

⇄ Verified Substitutes 11

5930-00-073-9977 INTERCHANGEABLE

Switch,rotary

5905-00-156-6398 INTERCHANGEABLE

Resistor,adjustable

5905-00-201-61890956 INTERCHANGEABLE

Resistor,adjustable

Ohmite Holding, L.l.c. Dba Ohmite Manufacturing

2825-00-218-60769956 INTERCHANGEABLE

Seat,regulating Val

Northrop Grumman Systems Corporation Div Marine Systems

5330-00-247-3610588408PC205 INTERCHANGEABLE

Gasket

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier

1730-00-329-7081995-6 INTERCHANGEABLE

Screw Extension Hyd

Columbus Jack Corporation Div Columbus Jack

5815-00-737-118300956 INTERCHANGEABLE

Teletypewriter Subassembly

Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service

5950-00-840-54199956 INTERCHANGEABLE

Transformer,radio Frequency

Jetronic Industries, Inc. Dba Jetronic Industries, Inc. Div Contracts

6510-01-449-38539956 INTERCHANGEABLE

Dressing,hydrocolloid

Hollister Inc

4140-01-483-54799956 INTERCHANGEABLE

Fan,centrifugal

Ebm Industries Inc Dba Ebm Papst

Cross-Reference Index

Part Number	Manufacturer
0-956	Fisher Scientific Company L.l.c. (USA)
9-956 PRIMARY	Fisher Scientific Worldwide (USA)
9-956	Fisher Scientific Company L.l.c. (USA)

Related Parts

5930-00-073-9977INTERCHANGEABLE

SWITCH,ROTARY

5905-00-156-6398INTERCHANGEABLE

RESISTOR,ADJUSTABLE

5905-00-201-6189INTERCHANGEABLE

RESISTOR,ADJUSTABLE

0956

2825-00-218-6076INTERCHANGEABLE

SEAT,REGULATING VAL

9956

5330-00-247-3610INTERCHANGEABLE

GASKET

588408PC205

1730-00-329-7081INTERCHANGEABLE

SCREW EXTENSION HYD

995-6

5815-00-737-1183INTERCHANGEABLE

TELETYPEWRITER SUBASSEMBLY

00956

5950-00-840-5419INTERCHANGEABLE

TRANSFORMER,RADIO FREQUENCY

9956

6510-01-449-3853INTERCHANGEABLE

DRESSING,HYDROCOLLOID

9956

4140-01-483-5479INTERCHANGEABLE

FAN,CENTRIFUGAL

9956

4210-01-578-7811INTERCHANGEABLE

CYLINDER,FIRE EXTINGUISHER

9956

Frequently Asked Questions

What is NSN 6640-00-973-9425?

NSN 6640-00-973-9425 is a Filter Pump,water Jet,laboratory, manufactured by Fisher Scientific Worldwide, classified under FSC 6640 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6640-00-973-9425?

NSN 6640-00-973-9425 has 3 cross-referenced part numbers: 0-956 (Fisher Scientific Company L.l.c.), 9-956 (Fisher Scientific Worldwide), 9-956 (Fisher Scientific Company L.l.c.).

What NSN replaces 6640-00-973-9425?

There are 11 known substitutes for 6640-00-973-9425: 5930-00-073-9977, 5905-00-156-6398, 5905-00-201-6189 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9-956?

Key specifications for 9-956: General Characteristics Item Description: FISHER AIREJECTOR DESIGN; BRASS; 5.500 IN. LG O/A; FAUCET CONNECTION THREAD DATA,3/8 IN. SIZE,NPT; AIR INLET CONNECTION DATA,SERRATED,3/8 IN. DIA O/A IN. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6640-00-973-9425 still in active supply?

NSN 6640-00-973-9425 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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