PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10666Rod and Head Assembly,valve

Rps-Fl, Inc. Dba Rps Inc · NSN 4320-00-300-4051 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-300-4051 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-300-4051. Primary manufacturer part number: 10666.
Features
  • Rod and Head Assembly,valve — FSC 4320
  • General Characteristics Item Description: STEEL; 1.250 IN. SQ HEAD; 0.625 IN. DRILLED HOLE LOCATED 0.625 IN. FROM END OF HEAD; 18.063 IN. O/A LG IN
  • 3 verified cross-references
  • Primary manufacturer: Rps-Fl, Inc. Dba Rps Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Rod and Head Assembly,valve, cataloged under National Stock Number 4320-00-300-4051, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Rps-Fl, Inc. Dba Rps Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN4320-00-300-4051
Primary Part Number10666
Item NameRod and Head Assembly,valve
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerRps-Fl, Inc. Dba Rps Inc
StatusACTIVE
General Characteristics Item DescriptionSTEEL; 1.250 IN. SQ HEAD; 0.625 IN. DRILLED HOLE LOCATED 0.625 IN. FROM END OF HEAD; 18.063 IN. O/A LG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-031-785810666 INTERCHANGEABLE
Gasket
Avox Systems Inc Dba Avox Systems Inc
5930-00-439-0856 INTERCHANGEABLE
Switch Assembly
5999-00-496-792301-0501-0666 INTERCHANGEABLE
Wire Mesh,knitted
Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division
5910-00-643-8778 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
6145-01-145-5533 INTERCHANGEABLE
Cable,power,electrical
6545-01-572-4201UA 526A-2010 INTERCHANGEABLE
Mes So Advance Tactical Care 201
Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa
2910-01-672-519316-638880 INTERCHANGEABLE
Pump,fuel,metering and Distribut
Separ of the Americas, Llc Dba Separ, Losing Filtertek Div Separ Filter
5120-01-684-192810666 INTERCHANGEABLE
Key,socket Head Screw
Bondhus Corp
Cross-Reference Index
Part NumberManufacturer
1473P Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
10666 PRIMARY Rps-Fl, Inc. Dba Rps Inc (USA)
1473P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
5330-00-031-7858INTERCHANGEABLE
GASKET
10666
5930-00-439-0856INTERCHANGEABLE
SWITCH ASSEMBLY
5999-00-496-7923INTERCHANGEABLE
WIRE MESH,KNITTED
01-0501-0666
5910-00-643-8778INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
6145-01-145-5533INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
6545-01-572-4201INTERCHANGEABLE
MES SO ADVANCE TACTICAL CARE 201
UA 526A-2010
2910-01-672-5193INTERCHANGEABLE
PUMP,FUEL,METERING AND DISTRIBUT
16-638880
5120-01-684-1928INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
10666

Frequently Asked Questions

What is NSN 4320-00-300-4051?

NSN 4320-00-300-4051 is a Rod and Head Assembly,valve, manufactured by Rps-Fl, Inc. Dba Rps Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-300-4051?

NSN 4320-00-300-4051 has 3 cross-referenced part numbers: 1473P (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 10666 (Rps-Fl, Inc. Dba Rps Inc), 1473P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging).

What NSN replaces 4320-00-300-4051?

There are 8 known substitutes for 4320-00-300-4051: 5330-00-031-7858, 5930-00-439-0856, 5999-00-496-7923 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10666?

Key specifications for 10666: End Item Identification: WORTHINGTON 14X9X24 VERTICAL SIMPLEX PISTON PUMP; General Characteristics Item Description: STEEL; 1.250 IN. SQ HEAD; 0.625 IN. DRILLED HOLE LOCATED 0.625 IN. FROM END OF HEAD; 18.063 IN. O/A LG 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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