PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2150800Guide,plunger

W S Darley & Co · NSN 4320-01-328-0213 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-328-0213 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-328-0213. Primary manufacturer part number: 2150800.
Features
  • Guide,plunger — FSC 4320
  • General Characteristics Item Description: 1.000 HEX BRASS; 1.875 IN. LG IN
  • 3 verified cross-references
  • Primary manufacturer: W S Darley & Co
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Guide,plunger, cataloged under National Stock Number 4320-01-328-0213, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is W S Darley & Co. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-328-0213
Primary Part Number2150800
Item NameGuide,plunger
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerW S Darley & Co
StatusACTIVE
General Characteristics Item Description1.000 HEX BRASS; 1.875 IN. LG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-227-2716B138 INTERCHANGEABLE
Bearing,roller,needle
Timken Aerospace, Inc Dba Torrington Product
4920-00-949-8907B138 INTERCHANGEABLE
Coil Assy,degausing
Lockheed Martin Corp
4820-01-267-8600 INTERCHANGEABLE
Valve,safety Relief
Cross-Reference Index
Part NumberManufacturer
B138 W S Darley & Co (USA)
2150800 PRIMARY W S Darley & Co (USA)
001645T Kovatch Corp. (USA)
Related Parts
3110-00-227-2716INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
B138
4920-00-949-8907INTERCHANGEABLE
COIL ASSY,DEGAUSING
B138
4820-01-267-8600INTERCHANGEABLE
VALVE,SAFETY RELIEF

Frequently Asked Questions

What is NSN 4320-01-328-0213?

NSN 4320-01-328-0213 is a Guide,plunger, manufactured by W S Darley & Co, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-328-0213?

NSN 4320-01-328-0213 has 3 cross-referenced part numbers: B138 (W S Darley & Co), 2150800 (W S Darley & Co), 001645T (Kovatch Corp.).

What NSN replaces 4320-01-328-0213?

There are 3 known substitutes for 4320-01-328-0213: 3110-00-227-2716, 4920-00-949-8907, 4820-01-267-8600. Verify interchangeability with system specifications before substitution.

What are the specifications of 2150800?

Key specifications for 2150800: General Characteristics Item Description: 1.000 HEX BRASS; 1.875 IN. LG IN; End Item Identification: W.S. DARLEY AND CO. LMD-PTO PUMP. 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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