Seat, Helical Compression Spring5340-01-518-5071

NSN 5340-01-518-5071 · NIIN 015185071

FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5340-01-518-5071 · 5340015185071 · NIIN 015185071 · 01-518-5071 · FSC 5340 Hardware, Commercial · 9531092 ITEM C15 · 8100127

Nearby stock numbers ← 5340-01-518-5034 Keyshaft Assembly Clamp · 5340-01-518-5127 Clamp, Loop →

Features

Seat,helical Compression Spring — FSC 5340
First Step Diameter: 2.0340 INCHES MINIMUM AND 2.0540 INCHES MAXIMUM IN
End Diameter: 1.8140 INCHES MINIMUM AND 1.8340 INCHES MAXIMUM IN
Distance From End to First Step: 0.0800 INCHES MINIMUM AND 0.1000 INCHES MAXIMUM IN
Design Type: SOLID
Style Designator: SEAT
Bore Diameter: 1.4900 INCHES MINIMUM AND 1.5100 INCHES MAXIMUM IN
Material: STEEL

Identification

NSN: 5340-01-518-5071
NIIN: 015185071
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives

General Description

The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-518-5071, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications

Parameter	Value
NSN	5340-01-518-5071
Item Name	Seat,helical Compression Spring
FSC / FSG	5340 / 53 — Hardware, Commercial
Status	ACTIVE
First Step Diameter	2.0340 INCHES MINIMUM AND 2.0540 INCHES MAXIMUM IN
End Diameter	1.8140 INCHES MINIMUM AND 1.8340 INCHES MAXIMUM IN
Distance From End to First Step	0.0800 INCHES MINIMUM AND 0.1000 INCHES MAXIMUM IN
Design Type	SOLID
Style Designator	SEAT
Bore Diameter	1.4900 INCHES MINIMUM AND 1.5100 INCHES MAXIMUM 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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
9531092 ITEM C15	5/9 Secondary reference Sauer-Sundstrand Hydro-Transmission Div
8100127	3/9 Design control — primary reference Sauer-Sundstrand Hydro-Transmission Div

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 5340-01-518-5071?

NSN 5340-01-518-5071 is a Seat,helical Compression Spring, classified under FSC 5340, Hardware, Commercial. Status: active.

What are the specifications of 5340-01-518-5071?

Key specifications for 5340-01-518-5071: Overall Height: 0.1400 INCHES MINIMUM AND 0.1600 INCHES MAXIMUM IN; First Step Diameter: 2.0340 INCHES MINIMUM AND 2.0540 INCHES MAXIMUM IN; End Diameter: 1.8140 INCHES MINIMUM AND 1.8340 INCHES MAXIMUM IN; Distance From End to First Step: 0.0800 INCHES MINIMUM AND 0.1000 INCHES MAXIMUM IN. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5340-01-518-5071 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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