PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1626840Pump,reciprocating

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 4320-00-638-6587 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-638-6587 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-638-6587. Primary manufacturer part number: 1626840.
Features
  • Pump,reciprocating — FSC 4320
  • 4 verified cross-references
  • Primary manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,reciprocating, cataloged under National Stock Number 4320-00-638-6587, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-638-6587
Primary Part Number1626840
Item NamePump,reciprocating
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5999-00-383-2080 INTERCHANGEABLE
Heater,thermal Release
5910-00-669-2001 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
9150-01-101-372742001 INTERCHANGEABLE
Lubricating Oil,utility
Wd-40 Company
3740-01-483-301242001 INTERCHANGEABLE
Syringe,maxforce Ba
Bayer Corp Agriculture Div
6515-01-504-4329420.01 INTERCHANGEABLE
Plate,orbital,maxillofacial Surg
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
3040-01-545-464342001-1 INTERCHANGEABLE
Actuator,mechanical,nonaircraft
Morpac Industries, Inc Div Actuator
5930-01-590-293742001 INTERCHANGEABLE
Switch,push
Viavi Solutions Llc Div Lenexa
5975-01-727-884042001 INTERCHANGEABLE
Strap,tie Down,electrical Compon
Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
1626840P1 Naval Sea Systems Command (USA)
42001 Howden Fluid Systems (USA)
1626840 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
42001 Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA)
Related Parts
5999-00-383-2080INTERCHANGEABLE
HEATER,THERMAL RELEASE
5910-00-669-2001INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
9150-01-101-3727INTERCHANGEABLE
LUBRICATING OIL,UTILITY
42001
3740-01-483-3012INTERCHANGEABLE
SYRINGE,MAXFORCE BA
42001
6515-01-504-4329INTERCHANGEABLE
PLATE,ORBITAL,MAXILLOFACIAL SURG
420.01
3040-01-545-4643INTERCHANGEABLE
ACTUATOR,MECHANICAL,NONAIRCRAFT
42001-1
5930-01-590-2937INTERCHANGEABLE
SWITCH,PUSH
42001
5975-01-727-8840INTERCHANGEABLE
STRAP,TIE DOWN,ELECTRICAL COMPON
42001

Frequently Asked Questions

What is NSN 4320-00-638-6587?

NSN 4320-00-638-6587 is a Pump,reciprocating, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-638-6587?

NSN 4320-00-638-6587 has 4 cross-referenced part numbers: 1626840P1 (Naval Sea Systems Command), 42001 (Howden Fluid Systems), 1626840 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 42001 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.).

What NSN replaces 4320-00-638-6587?

There are 8 known substitutes for 4320-00-638-6587: 5999-00-383-2080, 5910-00-669-2001, 9150-01-101-3727 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1626840?

Key specifications for 1626840: End Item Identification: DIRECTOR,GUIDED MISSILE. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com