Cover, Protective, Dust and Moistu5340-01-520-5625

NSN 5340-01-520-5625 · NIIN 015205625

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

Government record, cited

Also searched as 5340-01-520-5625 · 5340015205625 · NIIN 015205625 · 01-520-5625 · FSC 5340 Hardware, Commercial · 2621-625-03PC173 · ERH721-1000A11PN46 · 262162503-0173

Nearby stock numbers ← 5340-01-520-5612 Retainer, Helical Compression Spr · 5340-01-520-5631 →

Features

Cover,protective,dust and Moistu — FSC 5340
Closed End Overall Diameter: 2.250 INCHES NOMINAL IN
Length Under Shoulder: 1.380 INCHES NOMINAL IN
Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE
Open End Inside Diameter: 1.490 INCHES NOMINAL IN
Material: NICKEL ALLOY 400

Identification

NSN: 5340-01-520-5625
NIIN: 015205625
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives

General Description

The Cover,protective,dust and Moistu, cataloged under National Stock Number 5340-01-520-5625, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	5340-01-520-5625
Item Name	Cover,protective,dust and Moistu
FSC / FSG	5340 / 53 — Hardware, Commercial
Status	ACTIVE
Closed End Overall Diameter	2.250 INCHES NOMINAL IN
Length Under Shoulder	1.380 INCHES NOMINAL IN
Material Document and Classification	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE
Open End Inside Diameter	1.490 INCHES NOMINAL IN
Material	NICKEL ALLOY 400

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
2621-625-03PC173	3/2 Design control — primary reference U.S. Government activity
ERH721-1000A11PN46	5/2 Secondary reference U.S. Government activity
262162503-0173	5/2 Secondary 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 5340-01-520-5625?

NSN 5340-01-520-5625 is a Cover,protective,dust and Moistu, classified under FSC 5340, Hardware, Commercial. Status: active.

What are the specifications of 5340-01-520-5625?

Key specifications for 5340-01-520-5625: Closed End Overall Diameter: 2.250 INCHES NOMINAL IN; Length Under Shoulder: 1.380 INCHES NOMINAL IN; Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE; Special Features: 1.750-12UN-3B THREADING. 5 specifications are documented in the U.S. Government catalog.

Is NSN 5340-01-520-5625 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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