PartsTable TECHNICAL DATA SHEET

NSN 5310-01-618-8638Government record, cited

Washer, Flat5310-01-618-8638

NSN 5310-01-618-8638 · NIIN 016188638 · Part number 4397B60H01

Lynn Electronics Llc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 19151

Government record, cited

NSN 5310-01-618-8638 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-618-8638. Manufacturer of record part number: 4397B60H01.

Also searched as 5310-01-618-8638 · 5310016188638 · NIIN 016188638 · 01-618-8638 · FSC 5310 Nuts and Washers · CAGE 19151 · 4397B60H01 · 4D98027 ITEM 9 · 4397B60 ITEM 1

Nearby stock numbers ← 5310-01-618-8585 Nut, Self-Locking, Round · 5310-01-618-8651 Nut Assembly, Self-Locking, Gang C →

5310-01-618-8638 — Nuts and Washers

Features

Washer,flat — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Lynn Electronics Llc

Identification

NSN: 5310-01-618-8638
NIIN: 016188638
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 4397B60H01
Manufacturer: Lynn Electronics Llc

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-618-8638, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lynn Electronics Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	Lynn Electronics Llc (CAGE 19151)

Technical Specifications

Parameter	Value
NSN	5310-01-618-8638
Primary Part Number	4397B60H01
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Lynn Electronics Llc
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
4397B60H01 PRIMARY	Lynn Electronics Llc (USA)

Reference documents

Reference	Meaning
4D98027 ITEM 9	5/1 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd
4397B60 ITEM 1	5/1 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd

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 5310-01-618-8638?

NSN 5310-01-618-8638 is a Washer,flat, manufactured by Lynn Electronics Llc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-618-8638?

NSN 5310-01-618-8638 has 1 manufacturer part number on file: 4397B60H01 (Lynn Electronics Llc).

Is NSN 5310-01-618-8638 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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