Washer, Flat5310-01-128-4458

NSN 5310-01-128-4458 · NIIN 011284458 · Part number 9223-259-00E

Ultra Dynamics Ltd · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE K1076

Government record, cited

NSN 5310-01-128-4458 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-128-4458. Manufacturer of record part number: 9223-259-00E.

Also searched as 5310-01-128-4458 · 5310011284458 · NIIN 011284458 · 01-128-4458 · FSC 5310 Nuts and Washers · CAGE K1076 · 9223-259-00E

Nearby stock numbers ← 5310-01-128-4457 Washer, Flat · 5310-01-128-4461 Washer, Recessed →

5310-01-128-4458 — Nuts and Washers

Features

Washer,flat — FSC 5310
2 manufacturer part numbers on file
Manufacturer of record: Ultra Dynamics Ltd

Identification

NSN: 5310-01-128-4458
NIIN: 011284458
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 9223-259-00E
Manufacturer: Ultra Dynamics Ltd

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-128-4458, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ultra Dynamics Ltd. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Washer,flat
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Ultra Dynamics Ltd (CAGE K1076); Marine Jet Power Inc (CAGE 0KAC7)

Technical Specifications

Parameter	Value
NSN	5310-01-128-4458
Primary Part Number	9223-259-00E
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Ultra Dynamics 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)

Cross-Reference Index

Part Number	Manufacturer
9223-259-00E PRIMARY	Ultra Dynamics Ltd (GBR)
9223-259-00E PRIMARY	Marine Jet Power Inc (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 5310-01-128-4458?

NSN 5310-01-128-4458 is a Washer,flat, manufactured by Ultra Dynamics Ltd, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-128-4458?

NSN 5310-01-128-4458 has 2 manufacturer part numbers on file: 9223-259-00E (Ultra Dynamics Ltd), 9223-259-00E (Marine Jet Power Inc).

Is NSN 5310-01-128-4458 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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