Washer, Flat5310-01-618-1808

NSN 5310-01-618-1808 · NIIN 016181808 · Part number DW813

Reliable Tool & Machine Company, Inc. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 1GD20

Government record, cited

NSN 5310-01-618-1808 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-618-1808. Manufacturer of record part number: DW813.

Also searched as 5310-01-618-1808 · 5310016181808 · NIIN 016181808 · 01-618-1808 · FSC 5310 Nuts and Washers · CAGE 1GD20 · DW813

Nearby stock numbers ← 5310-01-618-1714 Washer, Lock · 5310-01-618-1823 Nut, Plain, Hexagon →

5310-01-618-1808 — Nuts and Washers

Features

Washer,flat — FSC 5310
Overall Diameter: 1.5 INCHES NOMINAL IN
Hole Diameter: 0.8125 INCHES NOMINAL IN
Thickness: 0.101 INCHES NOMINAL IN
1 manufacturer part number on file
Manufacturer of record: Reliable Tool & Machine Company, Inc.

Identification

NSN: 5310-01-618-1808
NIIN: 016181808
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: DW813
Manufacturer: Reliable Tool & Machine Company, Inc.

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-618-1808, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Reliable Tool & Machine Company, Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-618-1808
Primary Part Number	DW813
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Reliable Tool & Machine Company, Inc.
Status	ACTIVE
Overall Diameter	1.5 INCHES NOMINAL IN
Hole Diameter	0.8125 INCHES NOMINAL IN
Thickness	0.101 INCHES NOMINAL IN

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
DW813 PRIMARY	Reliable Tool & Machine Company, 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 5310-01-618-1808?

NSN 5310-01-618-1808 is a Washer,flat, manufactured by Reliable Tool & Machine Company, Inc., classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-618-1808?

NSN 5310-01-618-1808 has 1 manufacturer part number on file: DW813 (Reliable Tool & Machine Company, Inc.).

What are the specifications of DW813?

Key specifications for DW813: Overall Diameter: 1.5 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: SPINDLE WASHER; End Item Identification: TRAILER, BOAT; Hole Diameter: 0.8125 INCHES NOMINAL IN. 3 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-618-1808 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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