Nut, Plain, Extended Washer, Hexago5310-01-609-4659

NSN 5310-01-609-4659 · NIIN 016094659 · Part number 8475366

Naval Sea Systems Command · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 53711

Government record, cited

NSN 5310-01-609-4659 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-609-4659. Manufacturer of record part number: 8475366.

Also searched as 5310-01-609-4659 · 5310016094659 · NIIN 016094659 · 01-609-4659 · FSC 5310 Nuts and Washers · CAGE 53711 · 8475366 · 93298A110

Nearby stock numbers ← 5310-01-609-4658 Nut, Plain, Extended Washer, Hexago · 5310-01-609-4744 Nut, Self-Locking, Hexagon →

5310-01-609-4659 — Nuts and Washers

Features

Nut,plain,extended Washer,hexago — FSC 5310
Washer Outside Diameter: 0.560 INCHES NOMINAL IN
Width Across Flats: 0.4375 INCHES NOMINAL IN
Thread Series: UNIFIED NATIONAL COARSE (UNC)
Temp Rating: 250.0 FAHRENHEIT MAXIMUM DEGF
Hardness Rating: 28.0 ROCKWELL C NOMINAL
Washer Thickness: 0.040 INCHES NOMINAL IN
Thread Direction: RIGHT-HAND

Identification

NSN: 5310-01-609-4659
NIIN: 016094659
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 8475366
Manufacturer: Naval Sea Systems Command

General Description

The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-01-609-4659, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-609-4659
Primary Part Number	8475366
Item Name	Nut,plain,extended Washer,hexago
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Naval Sea Systems Command
Status	ACTIVE
Washer Outside Diameter	0.560 INCHES NOMINAL IN
Width Across Flats	0.4375 INCHES NOMINAL IN
Thread Series	UNIFIED NATIONAL COARSE (UNC)
Temp Rating	250.0 FAHRENHEIT MAXIMUM DEGF
Hardness Rating	28.0 ROCKWELL C NOMINAL
Washer Thickness	0.040 INCHES NOMINAL IN
Thread Direction	RIGHT-HAND
Nominal Thread Size	0.250 INCHES IN
Surface Treatment	ZINC OVERALL
Nut Style	HEXAGON
Thread Class	2B
Thread Quantity Per Inch	20
Material	STEEL OVERALL

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
8475366 PRIMARY	Naval Sea Systems Command (USA)
93298A110	Mcmaster-Carr Supply 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 5310-01-609-4659?

NSN 5310-01-609-4659 is a Nut,plain,extended Washer,hexago, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-609-4659?

NSN 5310-01-609-4659 has 2 manufacturer part numbers on file: 8475366 (Naval Sea Systems Command), 93298A110 (Mcmaster-Carr Supply Co).

What are the specifications of 8475366?

Key specifications for 8475366: Overall Height: 0.3125 INCHES NOMINAL IN; Washer Outside Diameter: 0.560 INCHES NOMINAL IN; Width Across Flats: 0.4375 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC). 13 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-609-4659 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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