Seat, Helical Compression Spring5340-00-020-0630

NSN 5340-00-020-0630 · NIIN 000200630 · Part number 603784

Eaton Aerospace, Llc Dba Jackson South · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 62983

Government record, cited

NSN 5340-00-020-0630 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-020-0630. Manufacturer of record part number: 603784.

Also searched as 5340-00-020-0630 · 5340000200630 · NIIN 000200630 · 00-020-0630 · FSC 5340 Hardware, Commercial · CAGE 62983 · 603784

Nearby stock numbers ← 5340-00-020-0578 · 5340-00-020-0698 Connector, Rod End →

Features

Seat,helical Compression Spring — FSC 5340
1 manufacturer part number on file
Manufacturer of record: Eaton Aerospace, Llc Dba Jackson South

Identification

NSN: 5340-00-020-0630
NIIN: 000200630
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: 603784
Manufacturer: Eaton Aerospace, Llc Dba Jackson South

General Description

The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-020-0630, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Seat,helical Compression Spring
FSC / FSG	5340 — Hardware, Commercial (FSG 53)
Manufacturers	Eaton Aerospace, Llc Dba Jackson South (CAGE 62983)

Technical Specifications

Parameter	Value
NSN	5340-00-020-0630
Primary Part Number	603784
Item Name	Seat,helical Compression Spring
FSC / FSG	5340 / 53 — Hardware, Commercial
Manufacturer	Eaton Aerospace, Llc Dba Jackson South
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)

⇄ Related Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5310-01-687-6485603784 POSSIBLE MATCH

WASHER,FLAT

Possible match (shared part number)Akg of America, Inc.

Cross-Reference Index

Part Number	Manufacturer
603784 PRIMARY	Eaton Aerospace, Llc Dba Jackson South (USA)

Related Parts

5310-01-687-6485POSSIBLE MATCH

WASHER,FLAT

603784

Frequently Asked Questions

What is NSN 5340-00-020-0630?

NSN 5340-00-020-0630 is a Seat,helical Compression Spring, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5340, Hardware, Commercial. Status: active.

What part numbers are listed for NSN 5340-00-020-0630?

NSN 5340-00-020-0630 has 1 manufacturer part number on file: 603784 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 5340-00-020-0630?

1 possible match (shared part number, not a government interchangeability claim): 5310-01-687-6485. Verify interchangeability with system specifications before substitution.

Is NSN 5340-00-020-0630 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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