PartsTable TECHNICAL DATA SHEET

NSN 5310-01-533-9540Government record, cited

Washer, Lock5310-01-533-9540

NSN 5310-01-533-9540 · NIIN 015339540 · Part number 8-1521-11-NI

Trompeter Electronics, Inc. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 14949

Government record, cited

NSN 5310-01-533-9540 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-533-9540. Manufacturer of record part number: 8-1521-11-NI.

Also searched as 5310-01-533-9540 · 5310015339540 · NIIN 015339540 · 01-533-9540 · FSC 5310 Nuts and Washers · CAGE 14949 · 8-1521-11-NI · 312A5066P9

Nearby stock numbers ← 5310-01-533-9538 Nut, Plain, Hexagon · 5310-01-533-9548 Washer, Flat →

5310-01-533-9540 — Nuts and Washers

Features

Washer,lock — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Trompeter Electronics, Inc.

Identification

NSN: 5310-01-533-9540
NIIN: 015339540
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 8-1521-11-NI
Manufacturer: Trompeter Electronics, Inc.

General Description

The Washer,lock, cataloged under National Stock Number 5310-01-533-9540, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Trompeter Electronics, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5310-01-533-9540
Primary Part Number	8-1521-11-NI
Item Name	Washer,lock
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Trompeter Electronics, Inc.
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
8-1521-11-NI PRIMARY	Trompeter Electronics, Inc. (USA)

Reference documents

Reference	Meaning
312A5066P9	7/2 Vendor item drawing reference U.S. Government activity

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 5310-01-533-9540?

NSN 5310-01-533-9540 is a Washer,lock, manufactured by Trompeter Electronics, Inc., classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-533-9540?

NSN 5310-01-533-9540 has 1 manufacturer part number on file: 8-1521-11-NI (Trompeter Electronics, Inc.).

What are the specifications of 8-1521-11-NI?

Key specifications for 8-1521-11-NI: End Item Identification: C-17A AIRCRAFT A. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-533-9540 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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