PartsTable TECHNICAL DATA SHEET

NSN 5310-00-281-6348Government record, cited

Nut, Plain, Hexagon5310-00-281-6348

NSN 5310-00-281-6348 · NIIN 002816348 · Part number 333-30

Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 75214

Government record, cited

NSN 5310-00-281-6348 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-281-6348. Manufacturer of record part number: 333-30.

Also searched as 5310-00-281-6348 · 5310002816348 · NIIN 002816348 · 00-281-6348 · FSC 5310 Nuts and Washers · CAGE 75214 · 333-30

Nearby stock numbers ← 5310-00-281-6347 Washer, Recessed · 5310-00-281-6349 Washer, Recessed →

5310-00-281-6348 — Nuts and Washers

Features

Nut,plain,hexagon — FSC 5310
Width Across Flats: 0.312 INCHES NOMINAL IN
Thread Series: UNS
Thread Direction: RIGHT-HAND
Nominal Thread Size: 0.219 INCHES IN
Nut Height: 0.125 INCHES NOMINAL IN
Nut Style: HEXAGON
Thread Class: 3B

Identification

NSN: 5310-00-281-6348
NIIN: 002816348
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 333-30
Manufacturer: Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc

General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-281-6348, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc. Government technical data includes 9 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. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-00-281-6348
Primary Part Number	333-30
Item Name	Nut,plain,hexagon
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc
Status	ACTIVE
Width Across Flats	0.312 INCHES NOMINAL IN
Thread Series	UNS
Thread Direction	RIGHT-HAND
Nominal Thread Size	0.219 INCHES IN
Nut Height	0.125 INCHES NOMINAL IN
Nut Style	HEXAGON
Thread Class	3B
Thread Quantity Per Inch	24
Bearing Surface Type	WASHER FACED

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

⇄ Related Items 4

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4730-00-566-9951SAE J514-3 16-16 140238C POSSIBLE MATCH

ELBOW,PIPE

Possible match (shared part number)Sae International Dba Sae International

5950-00-812-4431 POSSIBLE MATCH

COIL,RADIO FREQUENCY

Possible match (shared part number)

5305-01-044-3003A33330 POSSIBLE MATCH

SCREW,ASSEMBLED WASHER

Possible match (shared part number)Ingersoll-Rand Company Dba Ingersoll-Rand

3110-01-512-326633330 POSSIBLE MATCH

BEARING,BALL,ANNULAR

Possible match (shared part number)Honeywell International Inc. Div Aerospace - Torrance

Cross-Reference Index

Part Number	Manufacturer
333-30 PRIMARY	Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc (USA)

Related Parts

4730-00-566-9951POSSIBLE MATCH

ELBOW,PIPE

SAE J514-3 16-16 140238C

5950-00-812-4431POSSIBLE MATCH

COIL,RADIO FREQUENCY

5305-01-044-3003POSSIBLE MATCH

SCREW,ASSEMBLED WASHER

A33330

3110-01-512-3266POSSIBLE MATCH

BEARING,BALL,ANNULAR

33330

Frequently Asked Questions

What is NSN 5310-00-281-6348?

NSN 5310-00-281-6348 is a Nut,plain,hexagon, manufactured by Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-00-281-6348?

NSN 5310-00-281-6348 has 1 manufacturer part number on file: 333-30 (Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc).

What NSN replaces 5310-00-281-6348?

4 possible matches (shared part number, not a government interchangeability claim): 4730-00-566-9951, 5950-00-812-4431, 5305-01-044-3003. Verify interchangeability with system specifications before substitution.

What are the specifications of 333-30?

Key specifications for 333-30: Width Across Flats: 0.312 INCHES NOMINAL IN; Thread Series: UNS; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.219 INCHES IN. 9 specifications are documented in the U.S. Government catalog.

Is NSN 5310-00-281-6348 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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