PartsTable TECHNICAL DATA SHEET

NSN 5305-01-649-2838Government record, cited

Thumbscrew5305-01-649-2838

NSN 5305-01-649-2838 · NIIN 016492838 · Part number 589547-2

Ontic Engineering & Manufacturing, Inc Dba Ontic Us · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 45934

Government record, cited

NSN 5305-01-649-2838 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-649-2838. Manufacturer of record part number: 589547-2.

Also searched as 5305-01-649-2838 · 5305016492838 · NIIN 016492838 · 01-649-2838 · FSC 5305 Screws · CAGE 45934 · 589547-2

Nearby stock numbers ← 5305-01-649-2814 Screw, Cap, Socket Head · 5305-01-649-3028 Screw, Assembled Washer →

5305-01-649-2838 — Screws

Features

Thumbscrew — FSC 5305
1 manufacturer part number on file
Manufacturer of record: Ontic Engineering & Manufacturing, Inc Dba Ontic Us

Identification

NSN: 5305-01-649-2838
NIIN: 016492838
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: 589547-2
Manufacturer: Ontic Engineering & Manufacturing, Inc Dba Ontic Us

General Description

The Thumbscrew, cataloged under National Stock Number 5305-01-649-2838, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Thumbscrew
FSC / FSG	5305 — Screws (FSG 53)
Manufacturers	Ontic Engineering & Manufacturing, Inc Dba Ontic Us (CAGE 45934)

Technical Specifications

Parameter	Value
NSN	5305-01-649-2838
Primary Part Number	589547-2
Item Name	Thumbscrew
FSC / FSG	5305 / 53 — Screws
Manufacturer	Ontic Engineering & Manufacturing, Inc Dba Ontic Us
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
589547-2 PRIMARY	Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)

Reference documents

Reference	Meaning
589547-2	5/9 Secondary reference Hamilton Sundstrand Corporation Dba Collins Aerospace

No interchangeability data on file.

Other items in FSC 5305 — Screws

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

5305-00-000-0094

SCREW,CLOSE TOLERANCE

5305-00-000-0094

SCREW,CLOSE TOLERANCE

5305-00-000-0094

SCREW,CLOSE TOLERANCE

5305-00-000-1397

5305-00-000-1397 · Item name not on file

5305-00-000-2625

5305-00-000-2625 · Item name not on file

5305-00-000-3669

5305-00-000-3669 · Item name not on file

5305-00-000-3830

5305-00-000-3830 · Item name not on file

5305-00-000-3831

5305-00-000-3831 · Item name not on file

Frequently Asked Questions

What is NSN 5305-01-649-2838?

NSN 5305-01-649-2838 is a Thumbscrew, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-649-2838?

NSN 5305-01-649-2838 has 1 manufacturer part number on file: 589547-2 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).

Is NSN 5305-01-649-2838 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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