PartsTable TECHNICAL DATA SHEET

NSN 5310-01-465-8833Government record, cited

Washer, Convex5310-01-465-8833

NSN 5310-01-465-8833 · NIIN 014658833 · Part number 540A72

United Air Filter, Inc. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 78940

Government record, cited

NSN 5310-01-465-8833 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-465-8833. Manufacturer of record part number: 540A72.

Also searched as 5310-01-465-8833 · 5310014658833 · NIIN 014658833 · 01-465-8833 · FSC 5310 Nuts and Washers · CAGE 78940 · 540A72 · 0540A72

Nearby stock numbers ← 5310-01-465-8724 Nut, Plain, Hexagon · 5310-01-465-8929 Nut, Plain, Hexagon →

5310-01-465-8833 — Nuts and Washers

Features

Washer,convex — FSC 5310
Style Designator: CONVEX
Outside Diameter: 1.250 INCHES NOMINAL IN
Material Thickness: 0.059 INCHES NOMINAL IN
Surface Treatment: RUBBER OVERALL
Material: STEEL OVERALL
Hole Diameter: 0.656 INCHES NOMINAL IN
1 manufacturer part number on file

Identification

NSN: 5310-01-465-8833
NIIN: 014658833
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 540A72
Manufacturer: United Air Filter, Inc.

General Description

The Washer,convex, cataloged under National Stock Number 5310-01-465-8833, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is United Air Filter, Inc.. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5310-01-465-8833
Primary Part Number	540A72
Item Name	Washer,convex
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	United Air Filter, Inc.
Status	ACTIVE
Style Designator	CONVEX
Outside Diameter	1.250 INCHES NOMINAL IN
Material Thickness	0.059 INCHES NOMINAL IN
Surface Treatment	RUBBER OVERALL
Material	STEEL OVERALL
Hole Diameter	0.656 INCHES NOMINAL IN

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
540A72 PRIMARY	United Air Filter, Inc. (USA)

Reference documents

Reference	Meaning
0540A72	5/9 Secondary reference Greenlees Filter Llc

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 5310-01-465-8833?

NSN 5310-01-465-8833 is a Washer,convex, manufactured by United Air Filter, Inc., classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-465-8833?

NSN 5310-01-465-8833 has 1 manufacturer part number on file: 540A72 (United Air Filter, Inc.).

What are the specifications of 540A72?

Key specifications for 540A72: Style Designator: CONVEX; Outside Diameter: 1.250 INCHES NOMINAL IN; Material Thickness: 0.059 INCHES NOMINAL IN; Surface Treatment: RUBBER OVERALL. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-465-8833 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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