Retainer, Helical Compression Spr5340-01-255-7448

NSN 5340-01-255-7448 · NIIN 012557448

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

Government record, cited

Also searched as 5340-01-255-7448 · 5340012557448 · NIIN 012557448 · 01-255-7448 · FSC 5340 Hardware, Commercial

Nearby stock numbers ← 5340-01-255-7425 Plate, Mending · 5340-01-255-7449 Hanger, Pipe →

Features

Retainer,helical Compression Spr — FSC 5340
Body Outside Diameter: 0.750 INCHES NOMINAL IN
Style Designator: IRREGULAR
Material Document and Classification: QQ-S-763, CLASS 321 FED SPEC SINGLE MATERIAL RESPONSE
Body Inside Diameter: 0.560 INCHES NOMINAL IN
Casehardening Indicator: NOT CASEHARDENED
Material: STEEL COMP 321
End Hole Diameter: 0.249 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN

Identification

NSN: 5340-01-255-7448
NIIN: 012557448
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives

General Description

The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-255-7448, 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7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5340-01-255-7448
Item Name	Retainer,helical Compression Spr
FSC / FSG	5340 / 53 — Hardware, Commercial
Status	ACTIVE
Body Outside Diameter	0.750 INCHES NOMINAL IN
Style Designator	IRREGULAR
Material Document and Classification	QQ-S-763, CLASS 321 FED SPEC SINGLE MATERIAL RESPONSE
Body Inside Diameter	0.560 INCHES NOMINAL IN
Casehardening Indicator	NOT CASEHARDENED
Material	STEEL COMP 321
End Hole Diameter	0.249 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN

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
1286374-101	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 5340-01-255-7448?

NSN 5340-01-255-7448 is a Retainer,helical Compression Spr, classified under FSC 5340, Hardware, Commercial. Status: active.

What are the specifications of 5340-01-255-7448?

Key specifications for 5340-01-255-7448: Overall Height: 0.500 INCHES NOMINAL IN; Body Outside Diameter: 0.750 INCHES NOMINAL IN; Style Designator: IRREGULAR; Material Document and Classification: QQ-S-763, CLASS 321 FED SPEC SINGLE MATERIAL RESPONSE. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5340-01-255-7448 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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