PartsTable TECHNICAL DATA SHEET

NSN 5310-01-631-2268Government record, cited

Washer, Flat5310-01-631-2268

NSN 5310-01-631-2268 · NIIN 016312268 · Part number MEI1020703

Rafael Advanced Defense Systems Ltd. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 1931A

Government record, cited

NSN 5310-01-631-2268 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-631-2268. Manufacturer of record part number: MEI1020703.

Also searched as 5310-01-631-2268 · 5310016312268 · NIIN 016312268 · 01-631-2268 · FSC 5310 Nuts and Washers · CAGE 1931A · MEI1020703 · 24R-121563

Nearby stock numbers ← 5310-01-631-2196 Nut, Self-Locking, Hexagon · 5310-01-631-2383 Nut, Self-Locking. →

5310-01-631-2268 — Nuts and Washers

Features

Washer,flat — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Rafael Advanced Defense Systems Ltd.

Identification

NSN: 5310-01-631-2268
NIIN: 016312268
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: MEI1020703
Manufacturer: Rafael Advanced Defense Systems Ltd.

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-631-2268, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rafael Advanced Defense Systems Ltd.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Washer,flat
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Rafael Advanced Defense Systems Ltd. (CAGE 1931A)

Technical Specifications

Parameter	Value
NSN	5310-01-631-2268
Primary Part Number	MEI1020703
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Rafael Advanced Defense Systems Ltd.
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
MEI1020703 PRIMARY	Rafael Advanced Defense Systems Ltd. (ISR)

Reference documents

Reference	Meaning
24R-121563	D/9 Drawing number reference only Rafael Advanced Defense Systems Ltd
MEI1020703	3/9 Design control — primary reference Rafael Advanced Defense Systems Ltd

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 5310-01-631-2268?

NSN 5310-01-631-2268 is a Washer,flat, manufactured by Rafael Advanced Defense Systems Ltd., classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-631-2268?

NSN 5310-01-631-2268 has 1 manufacturer part number on file: MEI1020703 (Rafael Advanced Defense Systems Ltd.).

Is NSN 5310-01-631-2268 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.

PartsTable Design LLC · partstable.com