Retainer, Helical Compression Spr5340-01-480-3949

NSN 5340-01-480-3949 · NIIN 014803949

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

Government record, cited

Also searched as 5340-01-480-3949 · 5340014803949 · NIIN 014803949 · 01-480-3949 · FSC 5340 Hardware, Commercial

Nearby stock numbers ← 5340-01-480-3811 · 5340-01-480-3954 Retainer, Nut and Bolt →

Features

Retainer,helical Compression Spr — FSC 5340
Flange Diameter: 4.750 INCHES NOMINAL IN
Flange Thickness: 0.250 INCHES NOMINAL IN
Body Outside Diameter: 3.780 INCHES NOMINAL IN
Style Designator: PARALLEL
Material Document and Classification: QQ-A-225/8, ALLOY 6061, T6 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-225/8, ALLOY 6061, T651 FED SPEC 2ND MATERIAL RESPONSE
Body Inside Diameter: 3.000 INCHES NOMINAL IN
Outside Chamfer Angle in Deg: 45.0

Identification

NSN: 5340-01-480-3949
NIIN: 014803949
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives

General Description

The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-480-3949, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5340-01-480-3949
Item Name	Retainer,helical Compression Spr
FSC / FSG	5340 / 53 — Hardware, Commercial
Status	ACTIVE
Flange Diameter	4.750 INCHES NOMINAL IN
Flange Thickness	0.250 INCHES NOMINAL IN
Body Outside Diameter	3.780 INCHES NOMINAL IN
Style Designator	PARALLEL
Material Document and Classification	QQ-A-225/8, ALLOY 6061, T6 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-225/8, ALLOY 6061, T651 FED SPEC 2ND MATERIAL RESPONSE
Body Inside Diameter	3.000 INCHES NOMINAL IN
Outside Chamfer Angle in Deg	45.0
Casehardening Indicator	NOT CASEHARDENED
Material	ALUMINUM ALLOY 6061

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
123081-1	3/2 Design control — primary reference U.S. Government activity

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 5340-01-480-3949?

NSN 5340-01-480-3949 is a Retainer,helical Compression Spr, classified under FSC 5340, Hardware, Commercial. Status: active.

What are the specifications of 5340-01-480-3949?

Key specifications for 5340-01-480-3949: Flange Diameter: 4.750 INCHES NOMINAL IN; Overall Height: 4.000 INCHES NOMINAL IN; Flange Thickness: 0.250 INCHES NOMINAL IN; Body Outside Diameter: 3.780 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.

Is NSN 5340-01-480-3949 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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