Cap, Protective, Dust and Moisture5340-01-660-1496

NSN 5340-01-660-1496 · NIIN 016601496 · Part number 660-004MT20S5-21

Glenair, Inc. · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 06324

Government record, cited

NSN 5340-01-660-1496 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-660-1496. Manufacturer of record part number: 660-004MT20S5-21.

Also searched as 5340-01-660-1496 · 5340016601496 · NIIN 016601496 · 01-660-1496 · FSC 5340 Hardware, Commercial · CAGE 06324 · 660-004MT20S5-21

Nearby stock numbers ← 5340-01-660-1431 Clamp, Loop · 5340-01-660-1512 Door, Access, Utility →

Features

Cap,protective,dust and Moisture — FSC 5340
Design Type: THREADED
Overall Diameter: 1.312 INCHES NOMINAL IN
1 manufacturer part number on file
Manufacturer of record: Glenair, Inc.

Identification

NSN: 5340-01-660-1496
NIIN: 016601496
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: 660-004MT20S5-21
Manufacturer: Glenair, Inc.

General Description

The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-660-1496, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Glenair, Inc.. 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	5340-01-660-1496
Primary Part Number	660-004MT20S5-21
Item Name	Cap,protective,dust and Moisture
FSC / FSG	5340 / 53 — Hardware, Commercial
Manufacturer	Glenair, Inc.
Status	ACTIVE
Design Type	THREADED
Overall Diameter	1.312 INCHES NOMINAL 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

Part Number	Manufacturer
660-004MT20S5-21 PRIMARY	Glenair, Inc. (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 5340-01-660-1496?

NSN 5340-01-660-1496 is a Cap,protective,dust and Moisture, manufactured by Glenair, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.

What part numbers are listed for NSN 5340-01-660-1496?

NSN 5340-01-660-1496 has 1 manufacturer part number on file: 660-004MT20S5-21 (Glenair, Inc.).

What are the specifications of 660-004MT20S5-21?

Key specifications for 660-004MT20S5-21: Design Type: THREADED; Overall Diameter: 1.312 INCHES NOMINAL IN; Overall Length: 0.844 INCHES NOMINAL IN; Special Features: SASH CHAIN:STAINLESS STEEL, PASSIVATE, SOLID RING 1.265 INSIDE DIA. 2 specifications are documented in the U.S. Government catalog.

Is NSN 5340-01-660-1496 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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