Seat, Helical Compression Spring5340-01-019-2221

NSN 5340-01-019-2221 · NIIN 010192221 · Part number 7008-20

Prestolite Electric Limited · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE U0041

Government record, cited

NSN 5340-01-019-2221 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-019-2221. Manufacturer of record part number: 7008-20.

Also searched as 5340-01-019-2221 · 5340010192221 · NIIN 010192221 · 01-019-2221 · FSC 5340 Hardware, Commercial · CAGE U0041 · 7008-20

Nearby stock numbers ← 5340-01-019-2220 Retainer, Helical Compression Spr · 5340-01-019-2318 →

Features

Seat,helical Compression Spring — FSC 5340
Countersink Angle in Deg: 45.0
First Step Diameter: 0.6875 INCHES NOMINAL IN
End Diameter: 0.4375 INCHES NOMINAL IN
Countersink Diameter: 0.1250 INCHES NOMINAL IN
Distance From End to First Step: 0.3125 INCHES NOMINAL IN
Design Type: SOLID
Style Designator: SEAT

Identification

NSN: 5340-01-019-2221
NIIN: 010192221
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: 7008-20
Manufacturer: Prestolite Electric Limited

General Description

The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-019-2221, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Prestolite Electric Limited. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications

Parameter	Value
NSN	5340-01-019-2221
Primary Part Number	7008-20
Item Name	Seat,helical Compression Spring
FSC / FSG	5340 / 53 — Hardware, Commercial
Manufacturer	Prestolite Electric Limited
Status	ACTIVE
Countersink Angle in Deg	45.0
First Step Diameter	0.6875 INCHES NOMINAL IN
End Diameter	0.4375 INCHES NOMINAL IN
Countersink Diameter	0.1250 INCHES NOMINAL IN
Distance From End to First Step	0.3125 INCHES NOMINAL IN
Design Type	SOLID
Style Designator	SEAT
Counterbore Length	0.1875 INCHES NOMINAL IN
Counterbore Diameter	0.2344 INCHES NOMINAL IN
Chamfer Angle in Deg	45.0
Bore Diameter	0.0938 INCHES NOMINAL IN
Material	STEEL

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
7008-20 PRIMARY	Prestolite Electric Limited (GBR)

Frequently Asked Questions

What is NSN 5340-01-019-2221?

NSN 5340-01-019-2221 is a Seat,helical Compression Spring, manufactured by Prestolite Electric Limited, classified under FSC 5340, Hardware, Commercial. Status: active.

What part numbers are listed for NSN 5340-01-019-2221?

NSN 5340-01-019-2221 has 1 manufacturer part number on file: 7008-20 (Prestolite Electric Limited).

What are the specifications of 7008-20?

Key specifications for 7008-20: Overall Height: 0.4062 INCHES NOMINAL IN; Countersink Angle in Deg: 45.0; First Step Diameter: 0.6875 INCHES NOMINAL IN; End Diameter: 0.4375 INCHES NOMINAL IN. 12 specifications are documented in the U.S. Government catalog.

Is NSN 5340-01-019-2221 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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