PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

129981Retainer,tappet

Prestolite Electric Limited · NSN 5365-01-128-4385 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-128-4385 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-128-4385. Primary manufacturer part number: 129981.
Features
  • Retainer,tappet — FSC 5365
  • 2 verified cross-references
  • Primary manufacturer: Prestolite Electric Limited
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Retainer,tappet, cataloged under National Stock Number 5365-01-128-4385, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Prestolite Electric Limited. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRetainer,tappet
FSC / FSG5365 — No Item Name Available (FSG 53)
ManufacturersPrestolite Electric Limited (CAGE U0041); Lucas Cav (CAGE U2751)
Technical Specifications
ParameterValue
NSN5365-01-128-4385
Primary Part Number129981
Item NameRetainer,tappet
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerPrestolite Electric Limited
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5985-00-199-0183129981 INTERCHANGEABLE
Waveguide Assembly
L3harris Technologies, Inc Div Space & Airborne Systems
5365-01-560-033412998-1 INTERCHANGEABLE
Spacer,plate
Coda Octopus Engineering, Inc.
Cross-Reference Index
Part NumberManufacturer
129981 Prestolite Electric Limited (GBR)
129981 Lucas Cav (GBR)
Related Parts
5985-00-199-0183INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
129981
5365-01-560-0334INTERCHANGEABLE
SPACER,PLATE
12998-1

Frequently Asked Questions

What is NSN 5365-01-128-4385?

NSN 5365-01-128-4385 is a Retainer,tappet, manufactured by Prestolite Electric Limited, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-128-4385?

NSN 5365-01-128-4385 has 2 cross-referenced part numbers: 129981 (Prestolite Electric Limited), 129981 (Lucas Cav).

What NSN replaces 5365-01-128-4385?

There are 2 known substitutes for 5365-01-128-4385: 5985-00-199-0183, 5365-01-560-0334. Verify interchangeability with system specifications before substitution.

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