Nut, Self-Locking, Hexagon5310-01-623-0144

NSN 5310-01-623-0144 · NIIN 016230144 · Part number X-6210-9

Kohler Co. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 67271

Government record, cited

NSN 5310-01-623-0144 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-623-0144. Manufacturer of record part number: X-6210-9.

Also searched as 5310-01-623-0144 · 5310016230144 · NIIN 016230144 · 01-623-0144 · FSC 5310 Nuts and Washers · CAGE 67271 · X-6210-9

Nearby stock numbers ← 5310-01-622-9980 Washer, Lock · 5310-01-623-0165 Nut Assembly, Retainer Plate →

5310-01-623-0144 — Nuts and Washers

Features

Nut,self-Locking,hexagon — FSC 5310
Thread Series: UNIFIED NATIONAL COARSE (UNC)
Thread Direction: RIGHT-HAND
Nominal Thread Size: 0.375 INCHES IN
Thread Class: 2B
Thread Quantity Per Inch: 16
1 manufacturer part number on file
Manufacturer of record: Kohler Co.

Identification

NSN: 5310-01-623-0144
NIIN: 016230144
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: X-6210-9
Manufacturer: Kohler Co.

General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-623-0144, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Kohler Co.. Government technical data includes 5 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	5310-01-623-0144
Primary Part Number	X-6210-9
Item Name	Nut,self-Locking,hexagon
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Kohler Co.
Status	ACTIVE
Thread Series	UNIFIED NATIONAL COARSE (UNC)
Thread Direction	RIGHT-HAND
Nominal Thread Size	0.375 INCHES IN
Thread Class	2B
Thread Quantity Per Inch	16

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
X-6210-9 PRIMARY	Kohler 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 5310-01-623-0144?

NSN 5310-01-623-0144 is a Nut,self-Locking,hexagon, manufactured by Kohler Co., classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-623-0144?

NSN 5310-01-623-0144 has 1 manufacturer part number on file: X-6210-9 (Kohler Co.).

What are the specifications of X-6210-9?

Key specifications for X-6210-9: Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.375 INCHES IN; Part Name Assigned by Controlling Agency: HEX NUT SPRIALOCK. 5 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-623-0144 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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