Washer, Flat5310-01-678-0145

NSN 5310-01-678-0145 · NIIN 016780145 · Part number 542 20 63-56

Husqvarna Construction Products North America, Inc. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 3UVN5

Government record, cited

NSN 5310-01-678-0145 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-678-0145. Manufacturer of record part number: 542 20 63-56.

Also searched as 5310-01-678-0145 · 5310016780145 · NIIN 016780145 · 01-678-0145 · FSC 5310 Nuts and Washers · CAGE 3UVN5 · 542 20 63-56

Nearby stock numbers ← 5310-01-678-0132 Nut, Plain, Hexagon · 5310-01-678-0159 Nut, Self-Locking, Hexagon →

5310-01-678-0145 — Nuts and Washers

Features

Washer,flat — FSC 5310
Cross-Sectional Shape Style: RECTANGULAR
Peripheral Shape Style: ROUND
Center Hole Shape Style: ROUND
1 manufacturer part number on file
Manufacturer of record: Husqvarna Construction Products North America, Inc.

Identification

NSN: 5310-01-678-0145
NIIN: 016780145
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 542 20 63-56
Manufacturer: Husqvarna Construction Products North America, Inc.

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-678-0145, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Husqvarna Construction Products North America, 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	5310-01-678-0145
Primary Part Number	542 20 63-56
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Husqvarna Construction Products North America, Inc.
Status	ACTIVE
Cross-Sectional Shape Style	RECTANGULAR
Peripheral Shape Style	ROUND
Center Hole Shape Style	ROUND

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
542 20 63-56 PRIMARY	Husqvarna Construction Products North America, Inc. (USA)

Frequently Asked Questions

What is NSN 5310-01-678-0145?

NSN 5310-01-678-0145 is a Washer,flat, manufactured by Husqvarna Construction Products North America, Inc., classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-678-0145?

NSN 5310-01-678-0145 has 1 manufacturer part number on file: 542 20 63-56 (Husqvarna Construction Products North America, Inc.).

What are the specifications of 542 20 63-56?

Key specifications for 542 20 63-56: Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; End Item Identification: 3895-01-669-1345; Center Hole Shape Style: ROUND. 3 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-678-0145 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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