Washer, Flat5310-01-659-1683

NSN 5310-01-659-1683 · NIIN 016591683 · Part number C574-7059

Essex Electro Engineers Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 21269

Government record, cited

NSN 5310-01-659-1683 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-659-1683. Manufacturer of record part number: C574-7059.

Also searched as 5310-01-659-1683 · 5310016591683 · NIIN 016591683 · 01-659-1683 · FSC 5310 Nuts and Washers · CAGE 21269 · C574-7059

Nearby stock numbers ← 5310-01-659-1042 Nut Slf Lkg Hex · 5310-01-659-1718 Washer, Flat →

5310-01-659-1683 — Nuts and Washers

Features

Washer,flat — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Essex Electro Engineers Inc

Identification

NSN: 5310-01-659-1683
NIIN: 016591683
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: C574-7059
Manufacturer: Essex Electro Engineers Inc

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-659-1683, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Essex Electro Engineers Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Washer,flat
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Essex Electro Engineers Inc (CAGE 21269)

Technical Specifications

Parameter	Value
NSN	5310-01-659-1683
Primary Part Number	C574-7059
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Essex Electro Engineers Inc
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
C574-7059 PRIMARY	Essex Electro Engineers Inc (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 5310-01-659-1683?

NSN 5310-01-659-1683 is a Washer,flat, manufactured by Essex Electro Engineers Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-659-1683?

NSN 5310-01-659-1683 has 1 manufacturer part number on file: C574-7059 (Essex Electro Engineers Inc).

Is NSN 5310-01-659-1683 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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