Knob5355-01-246-8304

NSN 5355-01-246-8304 · NIIN 012468304 · Part number 40320 25550

Duffens Optical Inc · FSC 5355 — Knobs and Pointers · FSG 53 — Hardware and Abrasives · CAGE 5S434

Government record, cited

NSN 5355-01-246-8304 — this item is cataloged by the U.S. Government under National Stock Number 5355-01-246-8304. Manufacturer of record part number: 40320 25550.

Also searched as 5355-01-246-8304 · 5355012468304 · NIIN 012468304 · 01-246-8304 · FSC 5355 Knobs and Pointers · CAGE 5S434 · 40320 25550

Nearby stock numbers ← 5355-01-246-5310 Knob · 5355-01-246-8727 Knob →

Features

Knob — FSC 5355
Style Designator: ROUND
1 manufacturer part number on file
Manufacturer of record: Duffens Optical Inc

Identification

NSN: 5355-01-246-8304
NIIN: 012468304
FSC: 5355 — Knobs and Pointers
FSG: 53 — Hardware and Abrasives
Primary part number: 40320 25550
Manufacturer: Duffens Optical Inc

General Description

The Knob, cataloged under National Stock Number 5355-01-246-8304, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Duffens Optical Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5355-01-246-8304
Primary Part Number	40320 25550
Item Name	Knob
FSC / FSG	5355 / 53 — Knobs and Pointers
Manufacturer	Duffens Optical Inc
Status	ACTIVE
Style Designator	ROUND

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
40320 25550 PRIMARY	Duffens Optical Inc (USA)

No interchangeability data on file.

Other items in FSC 5355 — Knobs and Pointers

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

5355-00-000-5777

5355-00-000-5777 · Item name not on file

5355-00-001-2029

DIAL,SCALE

5355-00-001-2403

WINDOW,DIAL

5355-00-001-4109

5355-00-001-4109 · Item name not on file

5355-00-001-4677

DIAL,SCALE

5355-00-001-4724

KNOB

5355-00-001-4730

5355-00-001-4730 · Item name not on file

5355-00-001-4734

5355-00-001-4734 · Item name not on file

Frequently Asked Questions

What is NSN 5355-01-246-8304?

NSN 5355-01-246-8304 is a Knob, manufactured by Duffens Optical Inc, classified under FSC 5355, Knobs and Pointers. Status: active.

What part numbers are listed for NSN 5355-01-246-8304?

NSN 5355-01-246-8304 has 1 manufacturer part number on file: 40320 25550 (Duffens Optical Inc).

What are the specifications of 40320 25550?

Key specifications for 40320 25550: Style Designator: ROUND; Special Features: USED W/SLIT LIGHT MDL SL-6E; UNIT QTY 4; End Item Identification: 6540-01-182-3770. 1 specification is documented in the U.S. Government catalog.

Is NSN 5355-01-246-8304 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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