Interface Box1240-01-540-9426

NSN 1240-01-540-9426 · NIIN 015409426

FSC 1240 — Optical Sighting and Ranging Equipment · FSG 12 — Fire Control Equipment

Government record, cited

Also searched as 1240-01-540-9426 · 1240015409426 · NIIN 015409426 · 01-540-9426 · FSC 1240 Optical Sighting and Ranging Equipment

Nearby stock numbers ← 1240-01-540-8322 Mount Subassembly · 1240-01-541-6902 Telescope Subassembly →

Features

Interface Box — FSC 1240

Identification

NSN: 1240-01-540-9426
NIIN: 015409426
FSC: 1240 — Optical Sighting and Ranging Equipment
FSG: 12 — Fire Control Equipment

General Description

The Interface Box, cataloged under National Stock Number 1240-01-540-9426, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	1240-01-540-9426
Item Name	Interface Box
FSC / FSG	1240 / 12 — Optical Sighting and Ranging Equipment
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL D — Destroy Item
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

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

Reference documents

Reference	Meaning
7491108	3/1 Design control — primary reference Naval Undersea Warfare Ctr

No interchangeability data on file.

Other items in FSC 1240 — Optical Sighting and Ranging Equipment

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

1240-00-000-0160

SIGHT UNIT

1240-00-001-4014

1240-00-001-4014 · Item name not on file

1240-00-001-4015

1240-00-001-4015 · Item name not on file

1240-00-001-4488

FILTER,LIGHT,OPTICAL INSTRUMENT

1240-00-003-1076

1240-00-003-1076 · Item name not on file

1240-00-003-8404

1240-00-003-8404 · Item name not on file

1240-00-003-8405

1240-00-003-8405 · Item name not on file

1240-00-003-8406

MOUNT,TELESCOPE

Frequently Asked Questions

What is NSN 1240-01-540-9426?

NSN 1240-01-540-9426 is a Interface Box, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.

What are the specifications of 1240-01-540-9426?

Key specifications for 1240-01-540-9426: End Item Identification: 7491108(53711), SUBIS PERI/SCDS INTER BX UNIT 23. 0 specifications are documented in the U.S. Government catalog.

Is NSN 1240-01-540-9426 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 1240-01-540-9426?

NSN 1240-01-540-9426 has DEMIL Code D. 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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