Knob5355-01-378-7971

NSN 5355-01-378-7971 · NIIN 013787971 · Part number 8909-421-001

The Entwistle Company Llc · FSC 5355 — Knobs and Pointers · FSG 53 — Hardware and Abrasives · CAGE 20722

Government record, cited

NSN 5355-01-378-7971 — this item is cataloged by the U.S. Government under National Stock Number 5355-01-378-7971. Manufacturer of record part number: 8909-421-001.

Also searched as 5355-01-378-7971 · 5355013787971 · NIIN 013787971 · 01-378-7971 · FSC 5355 Knobs and Pointers · CAGE 20722 · 8909-421-001

Nearby stock numbers ← 5355-01-378-7888 Knob · 5355-01-378-8563 Dial, Scale →

Features

Knob — FSC 5355
Shaft Accommodation Style: ROUND
Overall Thickness: 1.130 INCHES NOMINAL IN
Style Designator: ROUND
Outside Diameter: 1.250 INCHES NOMINAL IN
Nominal Thread Size: 0.375 INCHES SCREW HOLE IN
Inside Diameter: 0.375 INCHES NOMINAL IN
Gripping Surface Condition: GRIP AID

Identification

NSN: 5355-01-378-7971
NIIN: 013787971
FSC: 5355 — Knobs and Pointers
FSG: 53 — Hardware and Abrasives
Primary part number: 8909-421-001
Manufacturer: The Entwistle Company Llc

General Description

The Knob, cataloged under National Stock Number 5355-01-378-7971, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is The Entwistle Company Llc. Government technical data includes 11 specifications, 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	5355-01-378-7971
Primary Part Number	8909-421-001
Item Name	Knob
FSC / FSG	5355 / 53 — Knobs and Pointers
Manufacturer	The Entwistle Company Llc
Status	ACTIVE
Shaft Accommodation Style	ROUND
Overall Thickness	1.130 INCHES NOMINAL IN
Style Designator	ROUND
Outside Diameter	1.250 INCHES NOMINAL IN
Nominal Thread Size	0.375 INCHES SCREW HOLE IN
Inside Diameter	0.375 INCHES NOMINAL IN
Gripping Surface Condition	GRIP AID
Thread Quantity Per Inch	16 SCREW HOLE
Material	STEEL
Thread Series Designator	UNIFIED NATIONAL COARSE (UNC) SCREW HOLE
Attachment Method	SCREW ON

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
8909-421-001 PRIMARY	The Entwistle Company Llc (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 5355-01-378-7971?

NSN 5355-01-378-7971 is a Knob, manufactured by The Entwistle Company Llc, classified under FSC 5355, Knobs and Pointers. Status: active.

What part numbers are listed for NSN 5355-01-378-7971?

NSN 5355-01-378-7971 has 1 manufacturer part number on file: 8909-421-001 (The Entwistle Company Llc).

What are the specifications of 8909-421-001?

Key specifications for 8909-421-001: Shaft Accommodation Style: ROUND; Overall Thickness: 1.130 INCHES NOMINAL IN; Style Designator: ROUND; Outside Diameter: 1.250 INCHES NOMINAL IN. 11 specifications are documented in the U.S. Government catalog.

Is NSN 5355-01-378-7971 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.

PartsTable Design LLC · partstable.com