PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51238Connector,fluid,pump

Haskel International, Llc Dba Haskel International, Llc · NSN 4320-01-238-4226 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-238-4226 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-238-4226. Primary manufacturer part number: 51238.
Features
  • Connector,fluid,pump — FSC 4320
  • 2 verified cross-references
  • Primary manufacturer: Haskel International, Llc Dba Haskel International, Llc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Electrical interconnection
  • Signal interface mating
General Description

The Connector,fluid,pump, cataloged under National Stock Number 4320-01-238-4226, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Haskel International, Llc Dba Haskel International, Llc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-238-4226
Primary Part Number51238
Item NameConnector,fluid,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerHaskel International, Llc Dba Haskel International, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5940-00-504-4703MS25036-104 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
6105-00-575-121151238 INTERCHANGEABLE
Seat,motor Brush Ri
L3harris Technologies, Inc Div Space & Airborne Systems
3110-00-768-2100358242 INTERCHANGEABLE
Plate,seal,compress
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
4920-00-838-6215 INTERCHANGEABLE
Component Module
2925-00-877-3610 INTERCHANGEABLE
Connnector
9540-01-070-1786 INTERCHANGEABLE
Structural Section,special Shape
5330-01-078-3660 INTERCHANGEABLE
Seal
4820-01-081-2750286873N INTERCHANGEABLE
Valve,vent
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5330-01-225-0853286873 INTERCHANGEABLE
Retainer,packing
Eaton Aerospace, Llc Dba Jackson South
4820-01-238-6979 INTERCHANGEABLE
Valve,check
Cross-Reference Index
Part NumberManufacturer
51238 Haskel International, Llc Dba Haskel International, Llc (USA)
28687-3 Haskel International, Llc Dba Haskel International, Llc (USA)
Related Parts
5940-00-504-4703INTERCHANGEABLE
TERMINAL,LUG
MS25036-104
6105-00-575-1211INTERCHANGEABLE
SEAT,MOTOR BRUSH RI
51238
3110-00-768-2100INTERCHANGEABLE
PLATE,SEAL,COMPRESS
358242
4920-00-838-6215INTERCHANGEABLE
COMPONENT MODULE
2925-00-877-3610INTERCHANGEABLE
CONNNECTOR
9540-01-070-1786INTERCHANGEABLE
STRUCTURAL SECTION,SPECIAL SHAPE
5330-01-078-3660INTERCHANGEABLE
SEAL
4820-01-081-2750INTERCHANGEABLE
VALVE,VENT
286873N
5330-01-225-0853INTERCHANGEABLE
RETAINER,PACKING
286873
4820-01-238-6979INTERCHANGEABLE
VALVE,CHECK
5330-01-516-5694INTERCHANGEABLE
RETAINER,PACKING
H765-1302-F3-2

Frequently Asked Questions

What is NSN 4320-01-238-4226?

NSN 4320-01-238-4226 is a Connector,fluid,pump, manufactured by Haskel International, Llc Dba Haskel International, Llc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-238-4226?

NSN 4320-01-238-4226 has 2 cross-referenced part numbers: 51238 (Haskel International, Llc Dba Haskel International, Llc), 28687-3 (Haskel International, Llc Dba Haskel International, Llc).

What NSN replaces 4320-01-238-4226?

There are 11 known substitutes for 4320-01-238-4226: 5940-00-504-4703, 6105-00-575-1211, 3110-00-768-2100 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51238?

Key specifications for 51238: End Item Identification: PUMP,HASKEL INC MODEL MS-71; Special Features: 0.750 IN. PUMP INLET PIPE THD IN. 2 total characteristics are documented in the Federal Logistics Information System.

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