PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43178Plate,retaining,seal

Dana Commercial Vehicle Products, Llc · NSN 5340-01-266-8631 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-266-8631 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-266-8631. Primary manufacturer part number: 43178.
Features
  • Plate,retaining,seal — FSC 5340
  • 2 verified cross-references
  • Primary manufacturer: Dana Commercial Vehicle Products, Llc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Plate,retaining,seal, cataloged under National Stock Number 5340-01-266-8631, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dana Commercial Vehicle Products, Llc. This item has 2 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. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-266-8631
Primary Part Number43178
Item NamePlate,retaining,seal
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerDana Commercial Vehicle Products, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 3
5310-01-373-728343178 INTERCHANGEABLE
Washer,flat
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5305-01-551-7301 INTERCHANGEABLE
Screw,cap,socket Head
5330-01-594-6224CB28297-001 INTERCHANGEABLE
Seal,plain
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
5EX9 Oshkosh Corp (USA)
43178 PRIMARY Dana Commercial Vehicle Products, Llc (USA)
Related Parts
5310-01-373-7283INTERCHANGEABLE
WASHER,FLAT
43178
5305-01-551-7301INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5330-01-594-6224INTERCHANGEABLE
SEAL,PLAIN
CB28297-001

Frequently Asked Questions

What is NSN 5340-01-266-8631?

NSN 5340-01-266-8631 is a Plate,retaining,seal, manufactured by Dana Commercial Vehicle Products, Llc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-266-8631?

NSN 5340-01-266-8631 has 2 cross-referenced part numbers: 5EX9 (Oshkosh Corp), 43178 (Dana Commercial Vehicle Products, Llc).

What NSN replaces 5340-01-266-8631?

There are 3 known substitutes for 5340-01-266-8631: 5310-01-373-7283, 5305-01-551-7301, 5330-01-594-6224. Verify interchangeability with system specifications before substitution.

What are the specifications of 43178?

Key specifications for 43178: Special Features: STEEL,SAE,COMP 1010; 3.437 IN. LG,2.874 IN. W,0.149 IN. THK,TWO HOLES 0.656 IN. DIA,1.500 IN. C TO C DIST BTWN HOLES,SLIGHT BEND 0.125 IN. RADIUS,LARGER BEND 0.156 IN. RADIUS IN. 1 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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