Washer, Seal5310-01-477-4720

NSN 5310-01-477-4720 · NIIN 014774720 · Part number 12-19183 3

Mercury Marine Group Dba Mercruiser · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 0NY24

Government record, cited

NSN 5310-01-477-4720 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-477-4720. Manufacturer of record part number: 12-19183 3.

Also searched as 5310-01-477-4720 · 5310014774720 · NIIN 014774720 · 01-477-4720 · FSC 5310 Nuts and Washers · CAGE 0NY24 · 12-19183 3 · 12-19183

Nearby stock numbers ← 5310-01-477-4664 Nut, Plain, Hexagon · 5310-01-477-4779 Nut Assembly, Retainer Plate →

5310-01-477-4720 — Nuts and Washers

Features

Washer,seal — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Mercury Marine Group Dba Mercruiser

Identification

NSN: 5310-01-477-4720
NIIN: 014774720
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 12-19183 3
Manufacturer: Mercury Marine Group Dba Mercruiser

General Description

The Washer,seal, cataloged under National Stock Number 5310-01-477-4720, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mercury Marine Group Dba Mercruiser. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Washer,seal
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Mercury Marine Group Dba Mercruiser (CAGE 0NY24)

Technical Specifications

Parameter	Value
NSN	5310-01-477-4720
Primary Part Number	12-19183 3
Item Name	Washer,seal
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Mercury Marine Group Dba Mercruiser
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

⇄ Related Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5310-01-512-646112-19183 3 POSSIBLE MATCH

WASHER,SEAL

Possible match (shared part number)Brunswick Corp Dba Mercury Marine Div Mercury Marine

Cross-Reference Index

Part Number	Manufacturer
12-19183 3 PRIMARY	Mercury Marine Group Dba Mercruiser (USA)

Reference documents

Reference	Meaning
12-19183	5/9 Secondary reference Mercury Marine Group Dba Mercruiser

Related Parts

5310-01-512-6461POSSIBLE MATCH

WASHER,SEAL

12-19183 3

Frequently Asked Questions

What is NSN 5310-01-477-4720?

NSN 5310-01-477-4720 is a Washer,seal, manufactured by Mercury Marine Group Dba Mercruiser, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-477-4720?

NSN 5310-01-477-4720 has 1 manufacturer part number on file: 12-19183 3 (Mercury Marine Group Dba Mercruiser).

What NSN replaces 5310-01-477-4720?

1 possible match (shared part number, not a government interchangeability claim): 5310-01-512-6461. Verify interchangeability with system specifications before substitution.

Is NSN 5310-01-477-4720 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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