Cap, Protective, Dust and Moisture5340-01-100-5071

NSN 5340-01-100-5071 · NIIN 011005071 · Part number 21897-1

Smiths Aerospace, Inc., Electronic Systems-Grand Rapids · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 30377

Government record, cited

NSN 5340-01-100-5071 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-100-5071. Manufacturer of record part number: 21897-1.

Also searched as 5340-01-100-5071 · 5340011005071 · NIIN 011005071 · 01-100-5071 · FSC 5340 Hardware, Commercial · CAGE 30377 · 21897-1

Nearby stock numbers ← 5340-01-100-5043 · 5340-01-100-5072 Plug, Protective, Dust and Moisture Seal →

Features

Cap,protective,dust and Moisture — FSC 5340
Design Type: FRICTION
Overall Diameter: 1.209 INCHES MAXIMUM IN
Opening Inside Diameter for Which Designed: 1.119 INCHES MAXIMUM IN
Material: PLASTIC, POLYETHYLENE (PP)
Round Cap Outside Surface Condition: SMOOTH
1 manufacturer part number on file
Manufacturer of record: Smiths Aerospace, Inc., Electronic Systems-Grand Rapids

Identification

NSN: 5340-01-100-5071
NIIN: 011005071
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: 21897-1
Manufacturer: Smiths Aerospace, Inc., Electronic Systems-Grand Rapids

General Description

The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-100-5071, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Smiths Aerospace, Inc., Electronic Systems-Grand Rapids. Government technical data includes 5 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.

Technical Specifications

Parameter	Value
NSN	5340-01-100-5071
Primary Part Number	21897-1
Item Name	Cap,protective,dust and Moisture
FSC / FSG	5340 / 53 — Hardware, Commercial
Manufacturer	Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
Status	ACTIVE
Design Type	FRICTION
Overall Diameter	1.209 INCHES MAXIMUM IN
Opening Inside Diameter for Which Designed	1.119 INCHES MAXIMUM IN
Material	PLASTIC, POLYETHYLENE (PP)
Round Cap Outside Surface Condition	SMOOTH

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

Cross-Reference Index

Part Number	Manufacturer
21897-1 PRIMARY	Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)

Frequently Asked Questions

What is NSN 5340-01-100-5071?

NSN 5340-01-100-5071 is a Cap,protective,dust and Moisture, manufactured by Smiths Aerospace, Inc., Electronic Systems-Grand Rapids, classified under FSC 5340, Hardware, Commercial. Status: active.

What part numbers are listed for NSN 5340-01-100-5071?

NSN 5340-01-100-5071 has 1 manufacturer part number on file: 21897-1 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids).

What are the specifications of 21897-1?

Key specifications for 21897-1: Design Type: FRICTION; Overall Diameter: 1.209 INCHES MAXIMUM IN; Opening Inside Diameter for Which Designed: 1.119 INCHES MAXIMUM IN; Material: PLASTIC, POLYETHYLENE (PP). 5 specifications are documented in the U.S. Government catalog.

Is NSN 5340-01-100-5071 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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