PartsTable TECHNICAL DATA SHEET

NSN 5340-01-623-8717Government record, cited

Plate, Retaining, Seal5340-01-623-8717

NSN 5340-01-623-8717 · NIIN 016238717 · Part number 340-5990

Caterpillar Inc Div Caterpillar Defense · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 11083

Government record, cited

NSN 5340-01-623-8717 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-623-8717. Manufacturer of record part number: 340-5990.

Also searched as 5340-01-623-8717 · 5340016238717 · NIIN 016238717 · 01-623-8717 · FSC 5340 Hardware, Commercial · CAGE 11083 · 340-5990 · 308-9502

Nearby stock numbers ← 5340-01-623-8715 Cover, Access · 5340-01-623-8726 Handle, Bail →

Features

Plate,retaining,seal — FSC 5340
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 5340-01-623-8717
NIIN: 016238717
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: 340-5990
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Plate,retaining,seal, cataloged under National Stock Number 5340-01-623-8717, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications

Parameter	Value
NSN	5340-01-623-8717
Primary Part Number	340-5990
Item Name	Plate,retaining,seal
FSC / FSG	5340 / 53 — Hardware, Commercial
Manufacturer	Caterpillar Inc Div Caterpillar Defense
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code	X
Unit of Issue	EA

Cross-Reference Index

Part Number	Manufacturer
340-5990 PRIMARY	Caterpillar Inc Div Caterpillar Defense (USA)

Reference documents

Reference	Meaning
308-9502	5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense

No interchangeability data on file.

Other items in FSC 5340 — Hardware, Commercial

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5340-00-000-0068

COVER,ACCESS

5340-00-000-0132

SEAT,HELICAL COMPRESSION SPRING

5340-00-000-8150

5340-00-000-8150 · Item name not on file

5340-00-001-1251

5340-00-001-1251 · Item name not on file

5340-00-001-1264

STRAP,WEBBING

5340-00-001-1265

STRAP,WEBBING

5340-00-001-1266

STRAP,WEBBING

5340-00-001-1275

HANDLE,DOOR

Frequently Asked Questions

What is NSN 5340-01-623-8717?

NSN 5340-01-623-8717 is a Plate,retaining,seal, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5340, Hardware, Commercial. Status: active.

What part numbers are listed for NSN 5340-01-623-8717?

NSN 5340-01-623-8717 has 1 manufacturer part number on file: 340-5990 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 340-5990?

Key specifications for 340-5990: Overall Length: 8.125 INCHES NOMINAL IN; Overall Width: 5.625 INCHES NOMINAL IN; Special Features: HEIGHT IS 10.050 INCHES. IN; Part Name Assigned by Controlling Agency: SEAL PLATE/ELBOW. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5340-01-623-8717 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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