Fan, Centrifugal4140-01-587-3998

NSN 4140-01-587-3998 · NIIN 015873998 · Part number 6673-TTMS-178

Concepts Nrec, Llc · FSC 4140 — Fans, Air Circulators, and Blower Equipment · FSG 41 — Refrigeration, AC, and Air Circulating Equipment · CAGE 0C770

Government record, cited

NSN 4140-01-587-3998 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-587-3998. Manufacturer of record part number: 6673-TTMS-178.

Also searched as 4140-01-587-3998 · 4140015873998 · NIIN 015873998 · 01-587-3998 · FSC 4140 Fans, Air Circulators, and Blower Equipment · CAGE 0C770 · 6673-TTMS-178 · 6673-TTMS-112

Nearby stock numbers ← 4140-01-587-3659 Fan, Centrifugal · 4140-01-587-4764 Fan, Centrifugal →

Features

Fan,centrifugal — FSC 4140
1 manufacturer part number on file
Manufacturer of record: Concepts Nrec, Llc

Identification

NSN: 4140-01-587-3998
NIIN: 015873998
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
Primary part number: 6673-TTMS-178
Manufacturer: Concepts Nrec, Llc

General Description

The Fan,centrifugal, cataloged under National Stock Number 4140-01-587-3998, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Concepts Nrec, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Fan,centrifugal
FSC / FSG	4140 — Fans, Air Circulators, and Blower Equipment (FSG 41)
Manufacturers	Concepts Nrec, Llc (CAGE 0C770)

Technical Specifications

Parameter	Value
NSN	4140-01-587-3998
Primary Part Number	6673-TTMS-178
Item Name	Fan,centrifugal
FSC / FSG	4140 / 41 — Fans, Air Circulators, and Blower Equipment
Manufacturer	Concepts Nrec, Llc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL B — Remove Demilitarization Key Points
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
6673-TTMS-178 PRIMARY	Concepts Nrec, Llc (USA)

Reference documents

Reference	Meaning
6673-TTMS-112	D/9 Drawing number reference only Concepts Nrec, Llc

Frequently Asked Questions

What is NSN 4140-01-587-3998?

NSN 4140-01-587-3998 is a Fan,centrifugal, manufactured by Concepts Nrec, Llc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.

What part numbers are listed for NSN 4140-01-587-3998?

NSN 4140-01-587-3998 has 1 manufacturer part number on file: 6673-TTMS-178 (Concepts Nrec, Llc).

Is NSN 4140-01-587-3998 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.

What is the DEMIL code for NSN 4140-01-587-3998?

NSN 4140-01-587-3998 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.

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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