PartsTable TECHNICAL DATA SHEET

NSN 5310-01-663-4387Government record, cited

Washer, Flat5310-01-663-4387

NSN 5310-01-663-4387 · NIIN 016634387 · Part number LS3047

Timken Aerospace, Inc Dba Torrington Product · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 60380

Government record, cited

NSN 5310-01-663-4387 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-663-4387. Manufacturer of record part number: LS3047.

Also searched as 5310-01-663-4387 · 5310016634387 · NIIN 016634387 · 01-663-4387 · FSC 5310 Nuts and Washers · CAGE 60380 · LS3047 · CA67619

Nearby stock numbers ← 5310-01-663-4332 Nut, Plain, Knurled · 5310-01-663-4448 Nut, Plain, Hexagon →

5310-01-663-4387 — Nuts and Washers

Features

Washer,flat — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Timken Aerospace, Inc Dba Torrington Product

Identification

NSN: 5310-01-663-4387
NIIN: 016634387
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: LS3047
Manufacturer: Timken Aerospace, Inc Dba Torrington Product

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-663-4387, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Timken Aerospace, Inc Dba Torrington Product. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Washer,flat
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Timken Aerospace, Inc Dba Torrington Product (CAGE 60380)

Technical Specifications

Parameter	Value
NSN	5310-01-663-4387
Primary Part Number	LS3047
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Timken Aerospace, Inc Dba Torrington Product
Status	ACTIVE

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
LS3047 PRIMARY	Timken Aerospace, Inc Dba Torrington Product (USA)

Reference documents

Reference	Meaning
CA67619	7/2 Vendor item drawing reference U.S. Government activity

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 5310-01-663-4387?

NSN 5310-01-663-4387 is a Washer,flat, manufactured by Timken Aerospace, Inc Dba Torrington Product, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-663-4387?

NSN 5310-01-663-4387 has 1 manufacturer part number on file: LS3047 (Timken Aerospace, Inc Dba Torrington Product).

Is NSN 5310-01-663-4387 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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