Nut, Plain, Extended Washer, Hexago5310-01-390-3385

NSN 5310-01-390-3385 · NIIN 013903385

FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5310-01-390-3385 · 5310013903385 · NIIN 013903385 · 01-390-3385 · FSC 5310 Nuts and Washers · 5820-1010-00 · 5820-1010-00

Nearby stock numbers ← 5310-01-390-3380 Washer, Flat · 5310-01-390-3397 →

5310-01-390-3385 — Nuts and Washers

Features

Nut,plain,extended Washer,hexago — FSC 5310
Washer Outside Diameter: 0.344 INCHES NOMINAL IN
Width Across Flats: 0.302 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
Thread Series: UN
Washer Thickness: 0.032 INCHES NOMINAL IN
Thread Direction: RIGHT-HAND
Nominal Thread Size: 0.138 INCHES IN
Surface Treatment: PASSIVATE OVERALL

Identification

NSN: 5310-01-390-3385
NIIN: 013903385
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-01-390-3385, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-390-3385
Item Name	Nut,plain,extended Washer,hexago
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Washer Outside Diameter	0.344 INCHES NOMINAL IN
Width Across Flats	0.302 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
Thread Series	UN
Washer Thickness	0.032 INCHES NOMINAL IN
Thread Direction	RIGHT-HAND
Nominal Thread Size	0.138 INCHES IN
Surface Treatment	PASSIVATE OVERALL
Nut Style	HEXAGON
Thread Class	2B
Thread Quantity Per Inch	32
Material	STEEL CORROSION RESISTING NUT
Material	STEEL COMP 410 WASHER

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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
5820-1010-00	3/9 Design control — primary reference Genrad Inc
5820-1010-00	C/1 Advisory reference — outside the item-of-supply concept Iet Labs 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 5310-01-390-3385?

NSN 5310-01-390-3385 is a Nut,plain,extended Washer,hexago, classified under FSC 5310, Nuts and Washers. Status: active.

What are the specifications of 5310-01-390-3385?

Key specifications for 5310-01-390-3385: Overall Height: 0.141 INCHES NOMINAL IN; Washer Outside Diameter: 0.344 INCHES NOMINAL IN; Width Across Flats: 0.302 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN; Thread Series: UN. 12 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-390-3385 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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