Nut, Plain, Castellated, Hexagon5310-01-633-7653

NSN 5310-01-633-7653 · NIIN 016337653 · Part number 1.2061-809

Krupp-Mak Co · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 0R6X1

Government record, cited

NSN 5310-01-633-7653 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-633-7653. Manufacturer of record part number: 1.2061-809.

Also searched as 5310-01-633-7653 · 5310016337653 · NIIN 016337653 · 01-633-7653 · FSC 5310 Nuts and Washers · CAGE 0R6X1 · 1.2061-809

Nearby stock numbers ← 5310-01-633-7650 Washer, Special · 5310-01-633-7771 Washer, Flat →

5310-01-633-7653 — Nuts and Washers

Features

Nut,plain,castellated,hexagon — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Krupp-Mak Co

Identification

NSN: 5310-01-633-7653
NIIN: 016337653
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 1.2061-809
Manufacturer: Krupp-Mak Co

General Description

The Nut,plain,castellated,hexagon, cataloged under National Stock Number 5310-01-633-7653, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Krupp-Mak Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Nut,plain,castellated,hexagon
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Krupp-Mak Co (CAGE 0R6X1)

Technical Specifications

Parameter	Value
NSN	5310-01-633-7653
Primary Part Number	1.2061-809
Item Name	Nut,plain,castellated,hexagon
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Krupp-Mak Co
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
1.2061-809 PRIMARY	Krupp-Mak Co (USA)

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 5310-01-633-7653?

NSN 5310-01-633-7653 is a Nut,plain,castellated,hexagon, manufactured by Krupp-Mak Co, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-633-7653?

NSN 5310-01-633-7653 has 1 manufacturer part number on file: 1.2061-809 (Krupp-Mak Co).

Is NSN 5310-01-633-7653 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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