PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DS-921808Sleeve,adjusting

Eaton Aerospace, Llc Dba Jackson South · NSN 4320-00-723-1971 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-723-1971 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-723-1971. Primary manufacturer part number: DS-921808.
Features
  • Sleeve,adjusting — FSC 4320
  • General Characteristics Item Description: STEEL,INTERNAL THDS,FOR PRESSURE ADJUSTMENT
  • FSC Application Data: PUMP,HYDRAULIC 43207059497
  • 6 verified cross-references
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Sleeve,adjusting, cataloged under National Stock Number 4320-00-723-1971, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-723-1971
Primary Part NumberDS-921808
Item NameSleeve,adjusting
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
General Characteristics Item DescriptionSTEEL,INTERNAL THDS,FOR PRESSURE ADJUSTMENT
FSC Application DataPUMP,HYDRAULIC 43207059497
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5330-00-640-9583630889 INTERCHANGEABLE
Gasket
Am General Llc
5950-00-645-0127 INTERCHANGEABLE
Transformer,power
6150-01-047-534917254 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
4420-01-335-9739F502-DY-2P-CNTB INTERCHANGEABLE
Heater,fluid,industrial
Young Touchstone Company Div Young Touchstone
4820-01-335-9881 INTERCHANGEABLE
Valve,proportional
4820-01-336-3276HC-G1-02 INTERCHANGEABLE
Valve,angle
Parker Hannifin Corporation Dba Quick Coupling Div Div Quick Coupling Division Bruning Operation
4820-01-336-3280C5G-825-S3 INTERCHANGEABLE
Valve,check
Eaton Aerospace, Llc Dba Jackson South
4820-01-336-60092470B-11E0-V INTERCHANGEABLE
Valve,regulating,temperature
Amot Controls Llc
3040-01-337-4666 INTERCHANGEABLE
Filler,breather
6760-01-442-400017254 INTERCHANGEABLE
Holder,mirror
Mekel Technology, Inc.
Cross-Reference Index
Part NumberManufacturer
DS-921808 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
DS-921808 Eaton Aerospace, Llc Dba Jackson South (USA)
921808 Eaton Aerospace, Llc Dba Jackson South (USA)
921808 Eaton Aerospace, Llc Dba Jackson South (USA)
1725-4 General Signal Corp (USA)
1725-4 Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
5330-00-640-9583INTERCHANGEABLE
GASKET
630889
5950-00-645-0127INTERCHANGEABLE
TRANSFORMER,POWER
6150-01-047-5349INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
17254
4420-01-335-9739INTERCHANGEABLE
HEATER,FLUID,INDUSTRIAL
F502-DY-2P-CNTB
4820-01-335-9881INTERCHANGEABLE
VALVE,PROPORTIONAL
4820-01-336-3276INTERCHANGEABLE
VALVE,ANGLE
HC-G1-02
4820-01-336-3280INTERCHANGEABLE
VALVE,CHECK
C5G-825-S3
4820-01-336-6009INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
2470B-11E0-V
3040-01-337-4666INTERCHANGEABLE
FILLER,BREATHER
6760-01-442-4000INTERCHANGEABLE
HOLDER,MIRROR
17254

Frequently Asked Questions

What is NSN 4320-00-723-1971?

NSN 4320-00-723-1971 is a Sleeve,adjusting, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-723-1971?

NSN 4320-00-723-1971 has 6 cross-referenced part numbers: DS-921808 (Eaton Aerospace, Llc Dba Jackson South), DS-921808 (Eaton Aerospace, Llc Dba Jackson South), 921808 (Eaton Aerospace, Llc Dba Jackson South), 921808 (Eaton Aerospace, Llc Dba Jackson South), 1725-4 (General Signal Corp) and 1 more.

What NSN replaces 4320-00-723-1971?

There are 10 known substitutes for 4320-00-723-1971: 5330-00-640-9583, 5950-00-645-0127, 6150-01-047-5349 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DS-921808?

Key specifications for DS-921808: General Characteristics Item Description: STEEL,INTERNAL THDS,FOR PRESSURE ADJUSTMENT; FSC Application Data: PUMP,HYDRAULIC 43207059497. 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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