Washer, Flat5310-01-449-1889

NSN 5310-01-449-1889 · NIIN 014491889 · Part number BH5270ET

Ametek, Inc. Div Aerospace & Defense · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 61349

Government record, cited

NSN 5310-01-449-1889 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-449-1889. Manufacturer of record part number: BH5270ET.

Also searched as 5310-01-449-1889 · 5310014491889 · NIIN 014491889 · 01-449-1889 · FSC 5310 Nuts and Washers · CAGE 61349 · BH5270ET

Nearby stock numbers ← 5310-01-449-1634 Washer, Flat · 5310-01-449-1907 Nut, Self-Locking, Hexagon →

5310-01-449-1889 — Nuts and Washers

Features

Washer,flat — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Ametek, Inc. Div Aerospace & Defense

Identification

NSN: 5310-01-449-1889
NIIN: 014491889
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: BH5270ET
Manufacturer: Ametek, Inc. Div Aerospace & Defense

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-449-1889, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ametek, Inc. Div Aerospace & Defense. The record lists 1 manufacturer part number 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	Ametek, Inc. Div Aerospace & Defense (CAGE 61349)

Technical Specifications

Parameter	Value
NSN	5310-01-449-1889
Primary Part Number	BH5270ET
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Ametek, Inc. Div Aerospace & Defense
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
BH5270ET PRIMARY	Ametek, Inc. Div Aerospace & Defense (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 5310-01-449-1889?

NSN 5310-01-449-1889 is a Washer,flat, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-449-1889?

NSN 5310-01-449-1889 has 1 manufacturer part number on file: BH5270ET (Ametek, Inc. Div Aerospace & Defense).

Is NSN 5310-01-449-1889 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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