PartsTable TECHNICAL DATA SHEET

NSN 5310-01-377-6420Government record, cited

Washer, Flat5310-01-377-6420

NSN 5310-01-377-6420 · NIIN 013776420 · Part number 341SYM15-A-209

John G Papailias Co Inc Dba J G Papailias · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 1Z740

Government record, cited

NSN 5310-01-377-6420 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-377-6420. Manufacturer of record part number: 341SYM15-A-209.

Also searched as 5310-01-377-6420 · 5310013776420 · NIIN 013776420 · 01-377-6420 · FSC 5310 Nuts and Washers · CAGE 1Z740 · 341SYM15-A-209 · 341SYM15

Nearby stock numbers ← 5310-01-377-6419 Washer, Flat · 5310-01-377-6421 Washer, Flat →

5310-01-377-6420 — Nuts and Washers

Features

Washer,flat — FSC 5310
1 manufacturer part number on file
Manufacturer of record: John G Papailias Co Inc Dba J G Papailias

Identification

NSN: 5310-01-377-6420
NIIN: 013776420
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 341SYM15-A-209
Manufacturer: John G Papailias Co Inc Dba J G Papailias

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-377-6420, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is John G Papailias Co Inc Dba J G Papailias. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-377-6420
Primary Part Number	341SYM15-A-209
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	John G Papailias Co Inc Dba J G Papailias
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
341SYM15-A-209 PRIMARY	John G Papailias Co Inc Dba J G Papailias (USA)

Reference documents

Reference	Meaning
341SYM15	3/1 Design control — primary reference John G Papailias Co Inc Dba J G Papailias

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 5310-01-377-6420?

NSN 5310-01-377-6420 is a Washer,flat, manufactured by John G Papailias Co Inc Dba J G Papailias, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-377-6420?

NSN 5310-01-377-6420 has 1 manufacturer part number on file: 341SYM15-A-209 (John G Papailias Co Inc Dba J G Papailias).

What are the specifications of 341SYM15-A-209?

Key specifications for 341SYM15-A-209: Part Name Assigned by Controlling Agency: FLAT WASHER. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-377-6420 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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