PartsTable TECHNICAL DATA SHEET

NSN 1355-01-020-5657Government record, cited

Head, Toner1355-01-020-5657

NSN 1355-01-020-5657 · NIIN 010205657 · Part number 870566

O T S I · FSC 1355 — Torpedos and Components, Inert · FSG 13 — Ammunition and Explosives · CAGE 05825

Government record, cited

NSN 1355-01-020-5657 — this item is cataloged by the U.S. Government under National Stock Number 1355-01-020-5657. Manufacturer of record part number: 870566.

Also searched as 1355-01-020-5657 · 1355010205657 · NIIN 010205657 · 01-020-5657 · FSC 1355 Torpedos and Components, Inert · CAGE 05825 · 870566

Nearby stock numbers ← 1355-01-020-5652 Head Assembly, Test · 1355-01-020-5673 →

Features

Head,toner — FSC 1355
1 manufacturer part number on file
Manufacturer of record: O T S I

Identification

NSN: 1355-01-020-5657
NIIN: 010205657
FSC: 1355 — Torpedos and Components, Inert
FSG: 13 — Ammunition and Explosives
Primary part number: 870566
Manufacturer: O T S I

General Description

The Head,toner, cataloged under National Stock Number 1355-01-020-5657, is classified within Federal Supply Class 1355 (Torpedos and Components, Inert) of the Ammunition and Explosives group. The manufacturer of record is O T S I. 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	Head,toner
FSC / FSG	1355 — Torpedos and Components, Inert (FSG 13)
Manufacturers	O T S I (CAGE 05825)

Technical Specifications

Parameter	Value
NSN	1355-01-020-5657
Primary Part Number	870566
Item Name	Head,toner
FSC / FSG	1355 / 13 — Torpedos and Components, Inert
Manufacturer	O T S I
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)

Cross-Reference Index

Part Number	Manufacturer
870566 PRIMARY	O T S I (USA)

No interchangeability data on file.

Other items in FSC 1355 — Torpedos and Components, Inert

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

1355-00-004-9056

BODY,VALVE

1355-00-004-9060

RETAINER,ROD

1355-00-004-9151

1355-00-004-9151 · Item name not on file

1355-00-004-9152

1355-00-004-9152 · Item name not on file

1355-00-004-9153

1355-00-004-9153 · Item name not on file

1355-00-005-5379

MICROCIRCUIT ASSEMBLY

1355-00-007-2668

1355-00-007-2668 · Item name not on file

1355-00-008-5158

DEPTH CONTROL

Frequently Asked Questions

What is NSN 1355-01-020-5657?

NSN 1355-01-020-5657 is a Head,toner, manufactured by O T S I, classified under FSC 1355, Torpedos and Components, Inert. Status: active.

What part numbers are listed for NSN 1355-01-020-5657?

NSN 1355-01-020-5657 has 1 manufacturer part number on file: 870566 (O T S I).

Is NSN 1355-01-020-5657 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 1355-01-020-5657?

NSN 1355-01-020-5657 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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