PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

29924Cap,piston Socket

Eaton Aerospace, Llc Dba Jackson South · NSN 4320-00-218-6255 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-218-6255 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-218-6255. Primary manufacturer part number: 29924.
Features
  • Cap,piston Socket — FSC 4320
  • 11 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 Cap,piston Socket, cataloged under National Stock Number 4320-00-218-6255, 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. This item has 11 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCap,piston Socket
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersEaton Aerospace, Llc Dba Jackson South (CAGE 62983); Reidville Hydraulics & Mfg Inc (CAGE 0BTV3); Naval Ship Systems Command (CAGE 80064)
Technical Specifications
ParameterValue
NSN4320-00-218-6255
Primary Part Number29924
Item NameCap,piston Socket
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-154-8864240-4111-1035565REVCPC47 INTERCHANGEABLE
Seal,plain Encased
Naval Ship Systems Command
5995-01-179-2587 INTERCHANGEABLE
Wiring Harness,branched
5310-01-548-477429924 INTERCHANGEABLE
Nut,plain,hexagon
Eagle Components, Inc
5310-01-580-7571 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
42427-27PC81 Eaton Aerospace, Llc Dba Jackson South (USA)
29924 Reidville Hydraulics & Mfg Inc (USA)
29924 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
42427-18PC81 Reidville Hydraulics & Mfg Inc (USA)
42427-20PC25 Eaton Aerospace, Llc Dba Jackson South (USA)
42427-20PC25 Reidville Hydraulics & Mfg Inc (USA)
398909 PRIMARY Naval Ship Systems Command (USA)
42427-18PC81 Eaton Aerospace, Llc Dba Jackson South (USA)
42427-27PC81 Reidville Hydraulics & Mfg Inc (USA)
42427-27PC25 Eaton Aerospace, Llc Dba Jackson South (USA)
242427-27PC25 Reidville Hydraulics & Mfg Inc (USA)
Related Parts
5330-00-154-8864INTERCHANGEABLE
SEAL,PLAIN ENCASED
240-4111-1035565REVCPC47
5995-01-179-2587INTERCHANGEABLE
WIRING HARNESS,BRANCHED
5310-01-548-4774INTERCHANGEABLE
NUT,PLAIN,HEXAGON
29924
5310-01-580-7571INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 4320-00-218-6255?

NSN 4320-00-218-6255 is a Cap,piston Socket, 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 4320-00-218-6255?

NSN 4320-00-218-6255 has 11 cross-referenced part numbers: 42427-27PC81 (Eaton Aerospace, Llc Dba Jackson South), 29924 (Reidville Hydraulics & Mfg Inc), 29924 (Eaton Aerospace, Llc Dba Jackson South), 42427-18PC81 (Reidville Hydraulics & Mfg Inc), 42427-20PC25 (Eaton Aerospace, Llc Dba Jackson South) and 6 more.

What NSN replaces 4320-00-218-6255?

There are 4 known substitutes for 4320-00-218-6255: 5330-00-154-8864, 5995-01-179-2587, 5310-01-548-4774 and 1 more. Verify interchangeability with system specifications before substitution.

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