PartsTable TECHNICAL DATA SHEET

NSN 2541-01-661-9366Government record, cited

Insulation, Vehicular2541-01-661-9366

NSN 2541-01-661-9366 · NIIN 016619366 · Part number 4081666

Oshkosh Defense Llc · FSC 2541 — Weapons Systems Specific Vehicular Accessories · FSG 25 — Vehicular Equipment Components · CAGE 75Q65

Government record, cited

NSN 2541-01-661-9366 — this item is cataloged by the U.S. Government under National Stock Number 2541-01-661-9366. Manufacturer of record part number: 4081666.

Also searched as 2541-01-661-9366 · 2541016619366 · NIIN 016619366 · 01-661-9366 · FSC 2541 Weapons Systems Specific Vehicular Accessories · CAGE 75Q65 · 4081666

Nearby stock numbers ← 2541-01-661-9363 Insulation, Vehicular · 2541-01-661-9370 Insulation, Vehicular →

Features

Insulation,vehicular — FSC 2541
1 manufacturer part number on file
Manufacturer of record: Oshkosh Defense Llc

Identification

NSN: 2541-01-661-9366
NIIN: 016619366
FSC: 2541 — Weapons Systems Specific Vehicular Accessories
FSG: 25 — Vehicular Equipment Components
Primary part number: 4081666
Manufacturer: Oshkosh Defense Llc

General Description

The Insulation,vehicular, cataloged under National Stock Number 2541-01-661-9366, is classified within Federal Supply Class 2541 (Weapons Systems Specific Vehicular Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Oshkosh Defense Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Insulation,vehicular
FSC / FSG	2541 — Weapons Systems Specific Vehicular Accessories (FSG 25)
Manufacturers	Oshkosh Defense Llc (CAGE 75Q65)

Technical Specifications

Parameter	Value
NSN	2541-01-661-9366
Primary Part Number	4081666
Item Name	Insulation,vehicular
FSC / FSG	2541 / 25 — Weapons Systems Specific Vehicular Accessories
Manufacturer	Oshkosh Defense Llc
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
4081666 PRIMARY	Oshkosh Defense Llc (USA)

No interchangeability data on file.

Other items in FSC 2541 — Weapons Systems Specific Vehicular Accessories

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

2541-01-125-0440

ARMOR,TRANSPARENT,VEHICULAR WIND

2541-01-125-0440

ARMOR,TRANSPARENT,VEHICULAR WIND

2541-01-184-1193

ARMOR,TRANSPARENT,VEHICULAR WIND

2541-01-364-1626

ARMOR,TRANSPARENT,VEHICULAR WIND

2541-01-420-7916

BASKET,ACCESSORIES STOWAGE

2541-01-436-5539

BOX,AMMUNITION STOWAGE

2541-01-467-6688

GATE,SHUTTLE

2541-01-467-9287

VISOR,LOWER,PROTECT

Frequently Asked Questions

What is NSN 2541-01-661-9366?

NSN 2541-01-661-9366 is a Insulation,vehicular, manufactured by Oshkosh Defense Llc, classified under FSC 2541, Weapons Systems Specific Vehicular Accessories. Status: active.

What part numbers are listed for NSN 2541-01-661-9366?

NSN 2541-01-661-9366 has 1 manufacturer part number on file: 4081666 (Oshkosh Defense Llc).

Is NSN 2541-01-661-9366 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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