PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5959-0031Follower,plunger

Cooper Machinery Services Llc · NSN 2910-00-415-9623 · FSC 2910 · No Item Name Available
Verified by PartsTable
NSN 2910-00-415-9623 — this item is cataloged by the U.S. Government under National Stock Number 2910-00-415-9623. Primary manufacturer part number: 5959-0031.
Features
  • Follower,plunger — FSC 2910
  • General Characteristics Item Description: STEEL,2.750 IN.H O/A,3.000 IN.OD,2.732 IN.ID,2.552 IN.DEPTH INSIDE,4 UNTHD HOLES 0.365 IN.DIA EQUALLY SPACED ON 2.148 IN.BOLT CIRCLE DIA IN
  • 9 verified cross-references
  • Primary manufacturer: Cooper Machinery Services Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Follower,plunger, cataloged under National Stock Number 2910-00-415-9623, is classified within Federal Supply Class 2910 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Cooper Machinery Services Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2910-00-415-9623
Primary Part Number5959-0031
Item NameFollower,plunger
FSC / FSG2910 / 29 — No Item Name Available
ManufacturerCooper Machinery Services Llc
StatusCANCELLED
General Characteristics Item DescriptionSTEEL,2.750 IN.H O/A,3.000 IN.OD,2.732 IN.ID,2.552 IN.DEPTH INSIDE,4 UNTHD HOLES 0.365 IN.DIA EQUALLY SPACED ON 2.148 IN.BOLT CIRCLE DIA IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
4820-00-613-732610-1871-1 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
3655-00-890-6306101871-1 INTERCHANGEABLE
Handle,dehydrator
Metadure Parts & Sales, Inc.
Cross-Reference Index
Part NumberManufacturer
5959-0031 Cooper Machinery Services Llc (USA)
10-18711 Unison Industries Llc (USA)
59590031 Energy Services Group Div of Cooper Industries Inc (USA)
10-18711 Amphenol Corp Div Amphenol Aerospace Operations (USA)
10-18711 Haynes Corporation (USA)
2-50F-041-121 Cooper Machinery Services Llc (USA)
B25-10-18711 Cooper Machinery Services Llc (USA)
PEY-T013 L'orange Gmbh (DEU)
5959-0031 Energy Services Group Div of Cooper Industries Inc (USA)
Related Parts
4820-00-613-7326INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
10-1871-1
3655-00-890-6306INTERCHANGEABLE
HANDLE,DEHYDRATOR
101871-1

Frequently Asked Questions

What is NSN 2910-00-415-9623?

NSN 2910-00-415-9623 is a Follower,plunger, manufactured by Cooper Machinery Services Llc, classified under FSC 2910 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2910-00-415-9623?

NSN 2910-00-415-9623 has 9 cross-referenced part numbers: 5959-0031 (Cooper Machinery Services Llc), 10-18711 (Unison Industries Llc), 59590031 (Energy Services Group Div of Cooper Industries Inc), 10-18711 (Amphenol Corp Div Amphenol Aerospace Operations), 10-18711 (Haynes Corporation) and 4 more.

What NSN replaces 2910-00-415-9623?

There are 2 known substitutes for 2910-00-415-9623: 4820-00-613-7326, 3655-00-890-6306. Verify interchangeability with system specifications before substitution.

What are the specifications of 5959-0031?

Key specifications for 5959-0031: General Characteristics Item Description: STEEL,2.750 IN.H O/A,3.000 IN.OD,2.732 IN.ID,2.552 IN.DEPTH INSIDE,4 UNTHD HOLES 0.365 IN.DIA EQUALLY SPACED ON 2.148 IN.BOLT CIRCLE DIA IN. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2910-00-415-9623 still in active supply?

NSN 2910-00-415-9623 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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