PartsTable TECHNICAL DATA SHEET

NSN 4240-01-417-6814Government record, cited

Shell, Half-Mask4240-01-417-6814

NSN 4240-01-417-6814 · NIIN 014176814

FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment

Government record, cited

Also searched as 4240-01-417-6814 · 4240014176814 · NIIN 014176814 · 01-417-6814 · FSC 4240 Safety and Rescue Equipment · RP2 · RP2

Nearby stock numbers ← 4240-01-417-6809 Connector, Cartridge · 4240-01-418-2568 Battery Pack, Respirator →

Features

Shell,half-Mask — FSC 4240

Identification

NSN: 4240-01-417-6814
NIIN: 014176814
FSC: 4240 — Safety and Rescue Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment

General Description

The Shell,half-Mask, cataloged under National Stock Number 4240-01-417-6814, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4240-01-417-6814
Item Name	Shell,half-Mask
FSC / FSG	4240 / 42 — Safety and Rescue Equipment
Status	ACTIVE

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

⇄ Related Items 4

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

3040-01-540-5380RP2 POSSIBLE MATCH

LEVER ASSEMBLY,MANUAL CONTROL

Possible match (shared part number)Jtekt Column Systems North America Corporation Div Jtekt Column Systems North Amercia

6230-01-614-5608RP2 POSSIBLE MATCH

FLASHLIGHT

Possible match (shared part number)Loftis Robbins Inc Dba Lri

6685-01-632-2674RP-2 POSSIBLE MATCH

THERMO HYGROMETER PROBE

Possible match (shared part number)Dwyer Instruments Inc

6625-01-665-8414 POSSIBLE MATCH

ZINC REFERENCE PROBE

Possible match (shared part number)

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
RP2	5/9 Secondary reference Dalloz Safety
RP2	3/9 Design control — primary reference Survivair Corp Sub of Comasec Inc

Related Parts

3040-01-540-5380POSSIBLE MATCH

LEVER ASSEMBLY,MANUAL CONTROL

RP2

6230-01-614-5608POSSIBLE MATCH

FLASHLIGHT

RP2

6685-01-632-2674POSSIBLE MATCH

THERMO HYGROMETER PROBE

RP-2

6625-01-665-8414POSSIBLE MATCH

ZINC REFERENCE PROBE

Frequently Asked Questions

What is NSN 4240-01-417-6814?

NSN 4240-01-417-6814 is a Shell,half-Mask, classified under FSC 4240, Safety and Rescue Equipment. Status: active.

What NSN replaces 4240-01-417-6814?

4 possible matches (shared part number, not a government interchangeability claim): 3040-01-540-5380, 6230-01-614-5608, 6685-01-632-2674. Verify interchangeability with system specifications before substitution.

What are the specifications of 4240-01-417-6814?

Key specifications for 4240-01-417-6814: Special Features: MED SIZE; End Item Identification: 6100 FACEPIECE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4240-01-417-6814 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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