PartsTable TECHNICAL DATA SHEET

NSN 5310-01-420-0100Government record, cited

Nut, Plain, Slotted, Hexagon5310-01-420-0100

NSN 5310-01-420-0100 · NIIN 014200100 · Part number 591-593

Steward Machine Co Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 9E328

Government record, cited

NSN 5310-01-420-0100 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-420-0100. Manufacturer of record part number: 591-593.

Also searched as 5310-01-420-0100 · 5310014200100 · NIIN 014200100 · 01-420-0100 · FSC 5310 Nuts and Washers · CAGE 9E328 · 591-593 · 60-1073 PIECE 593

Nearby stock numbers ← 5310-01-420-0099 Nut, Plain, Hexagon · 5310-01-420-0101 Washer, Flat →

5310-01-420-0100 — Nuts and Washers

Features

Nut,plain,slotted,hexagon — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Steward Machine Co Inc

Identification

NSN: 5310-01-420-0100
NIIN: 014200100
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 591-593
Manufacturer: Steward Machine Co Inc

General Description

The Nut,plain,slotted,hexagon, cataloged under National Stock Number 5310-01-420-0100, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Steward Machine Co Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Nut,plain,slotted,hexagon
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Steward Machine Co Inc (CAGE 9E328)

Technical Specifications

Parameter	Value
NSN	5310-01-420-0100
Primary Part Number	591-593
Item Name	Nut,plain,slotted,hexagon
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Steward Machine Co Inc
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
591-593 PRIMARY	Steward Machine Co Inc (USA)

Reference documents

Reference	Meaning
60-1073 PIECE 593	5/9 Secondary reference Hardie-Tynes Co., Inc.
591-593	5/9 Secondary reference Hardie-Tynes Co., Inc.

No interchangeability data on file.

Other items in FSC 5310 — Nuts and Washers

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

5310-00-000-0040

5310-00-000-0040 · Item name not on file

5310-00-000-0077

NUT,PLAIN,ROUND

5310-00-000-0079

WASHER,FLAT

5310-00-000-0079

WASHER,FLAT

5310-00-000-1146

5310-00-000-1146 · Item name not on file

5310-00-000-3815

5310-00-000-3815 · Item name not on file

5310-00-000-4532

5310-00-000-4532 · Item name not on file

5310-00-000-4540

5310-00-000-4540 · Item name not on file

Frequently Asked Questions

What is NSN 5310-01-420-0100?

NSN 5310-01-420-0100 is a Nut,plain,slotted,hexagon, manufactured by Steward Machine Co Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-420-0100?

NSN 5310-01-420-0100 has 1 manufacturer part number on file: 591-593 (Steward Machine Co Inc).

Is NSN 5310-01-420-0100 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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