Washer, Lock5310-01-618-3187

NSN 5310-01-618-3187 · NIIN 016183187 · Part number N405P109B6

Ward Leonard Ct Llc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 63743

Government record, cited

NSN 5310-01-618-3187 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-618-3187. Manufacturer of record part number: N405P109B6.

Also searched as 5310-01-618-3187 · 5310016183187 · NIIN 016183187 · 01-618-3187 · FSC 5310 Nuts and Washers · CAGE 63743 · N405P109B6

Nearby stock numbers ← 5310-01-618-3120 Nut, Plain, Extended Washer, Hexago · 5310-01-618-3298 Nut, Plain, Slotted, Hexagon →

5310-01-618-3187 — Nuts and Washers

Features

Washer,lock — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Ward Leonard Ct Llc

Identification

NSN: 5310-01-618-3187
NIIN: 016183187
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: N405P109B6
Manufacturer: Ward Leonard Ct Llc

General Description

The Washer,lock, cataloged under National Stock Number 5310-01-618-3187, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ward Leonard Ct Llc. 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,lock
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Ward Leonard Ct Llc (CAGE 63743)

Technical Specifications

Parameter	Value
NSN	5310-01-618-3187
Primary Part Number	N405P109B6
Item Name	Washer,lock
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Ward Leonard Ct 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)

Cross-Reference Index

Part Number	Manufacturer
N405P109B6 PRIMARY	Ward Leonard Ct Llc (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 5310-01-618-3187?

NSN 5310-01-618-3187 is a Washer,lock, manufactured by Ward Leonard Ct Llc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-618-3187?

NSN 5310-01-618-3187 has 1 manufacturer part number on file: N405P109B6 (Ward Leonard Ct Llc).

Is NSN 5310-01-618-3187 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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