PartsTable TECHNICAL DATA SHEET

NSN 3950-00-949-8591Government record, cited

Interlock3950-00-949-8591

NSN 3950-00-949-8591 · NIIN 009498591 · Part number 31002-021-01

Schneider Electric Usa, Inc. · FSC 3950 — Winches, Hoists, Cranes, and Derricks · FSG 39 — Materials Handling Equipment · CAGE 56365

Government record, cited

NSN 3950-00-949-8591 — this item is cataloged by the U.S. Government under National Stock Number 3950-00-949-8591. Manufacturer of record part number: 31002-021-01.

Also searched as 3950-00-949-8591 · 3950009498591 · NIIN 009498591 · 00-949-8591 · FSC 3950 Winches, Hoists, Cranes, and Derricks · CAGE 56365 · 31002-021-01

Nearby stock numbers ← 3950-00-949-4917 · 3950-00-950-3193 →

Features

Interlock — FSC 3950
1 manufacturer part number on file
Manufacturer of record: Schneider Electric Usa, Inc.

Identification

NSN: 3950-00-949-8591
NIIN: 009498591
FSC: 3950 — Winches, Hoists, Cranes, and Derricks
FSG: 39 — Materials Handling Equipment
Primary part number: 31002-021-01
Manufacturer: Schneider Electric Usa, Inc.

General Description

The Interlock, cataloged under National Stock Number 3950-00-949-8591, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Schneider Electric Usa, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Interlock
FSC / FSG	3950 — Winches, Hoists, Cranes, and Derricks (FSG 39)
Manufacturers	Schneider Electric Usa, Inc. (CAGE 56365)

Technical Specifications

Parameter	Value
NSN	3950-00-949-8591
Primary Part Number	31002-021-01
Item Name	Interlock
FSC / FSG	3950 / 39 — Winches, Hoists, Cranes, and Derricks
Manufacturer	Schneider Electric Usa, Inc.
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
31002-021-01 PRIMARY	Schneider Electric Usa, Inc. (USA)

Reference documents

Reference	Meaning
31002-021-01	5/9 Secondary reference Schneider Electric Usa, Inc.

No interchangeability data on file.

Other items in FSC 3950 — Winches, Hoists, Cranes, and Derricks

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3950-00-001-1249

LINING,FRICTION

3950-00-001-3984

3950-00-001-3984 · Item name not on file

3950-00-001-6303

3950-00-001-6303 · Item name not on file

3950-00-001-6304

3950-00-001-6304 · Item name not on file

3950-00-001-6312

3950-00-001-6312 · Item name not on file

3950-00-001-6313

HOIST,TRUCK

3950-00-001-7831

3950-00-001-7831 · Item name not on file

3950-00-001-7834

COOLING COIL,WINCH

Frequently Asked Questions

What is NSN 3950-00-949-8591?

NSN 3950-00-949-8591 is a Interlock, manufactured by Schneider Electric Usa, Inc., classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.

What part numbers are listed for NSN 3950-00-949-8591?

NSN 3950-00-949-8591 has 1 manufacturer part number on file: 31002-021-01 (Schneider Electric Usa, Inc.).

Is NSN 3950-00-949-8591 hazardous material?

No hazard code in the DLA record (HMIC N). 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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