Plunger, Quick Release5340-01-545-6390

NSN 5340-01-545-6390 · NIIN 015456390 · Part number 3403A34

Mcmaster-Carr Supply Co · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 07BY4

Government record, cited

NSN 5340-01-545-6390 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-545-6390. Manufacturer of record part number: 3403A34.

Also searched as 5340-01-545-6390 · 5340015456390 · NIIN 015456390 · 01-545-6390 · FSC 5340 Hardware, Commercial · CAGE 07BY4 · 3403A34

Nearby stock numbers ← 5340-01-545-6389 Plunger, Quick Release · 5340-01-545-6392 Strap, Webbing →

Features

Plunger,quick Release — FSC 5340
Thread Direction: RIGHT-HAND
Material: STEEL OVERALL
1 manufacturer part number on file
Manufacturer of record: Mcmaster-Carr Supply Co

Identification

NSN: 5340-01-545-6390
NIIN: 015456390
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: 3403A34
Manufacturer: Mcmaster-Carr Supply Co

General Description

The Plunger,quick Release, cataloged under National Stock Number 5340-01-545-6390, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 2 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	5340-01-545-6390
Primary Part Number	3403A34
Item Name	Plunger,quick Release
FSC / FSG	5340 / 53 — Hardware, Commercial
Manufacturer	Mcmaster-Carr Supply Co
Status	ACTIVE
Thread Direction	RIGHT-HAND
Material	STEEL OVERALL

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
3403A34 PRIMARY	Mcmaster-Carr Supply Co (USA)

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 5340-01-545-6390?

NSN 5340-01-545-6390 is a Plunger,quick Release, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5340, Hardware, Commercial. Status: active.

What part numbers are listed for NSN 5340-01-545-6390?

NSN 5340-01-545-6390 has 1 manufacturer part number on file: 3403A34 (Mcmaster-Carr Supply Co).

What are the specifications of 3403A34?

Key specifications for 3403A34: Overall Length: 1.880 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Special Features: L-HANDLE WITH LOCKING NOSE; THREAD SIZE 1/4"-20, BODY LG 1.25",NOSE LG 0.50",NOSE DIA 0.38",HANDLE/RING/KNOB SIZE 1.19";END FORCE,LBS INITIAL 0.75,FINAL 2.5; Part Name Assigned by Controlling Agency: HAND-RETRACTABLE SPRING PLUNGERS. 2 specifications are documented in the U.S. Government catalog.

Is NSN 5340-01-545-6390 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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