PartsTable TECHNICAL DATA SHEET

NSN 5325-01-686-2850Government record, cited

Stud Assembly, Turnlock Fastener5325-01-686-2850

NSN 5325-01-686-2850 · NIIN 016862850 · Part number BACS21EE3RB

Aertekno S.r.l. · FSC 5325 — Fastening Devices · FSG 53 — Hardware and Abrasives · CAGE AC910

Government record, cited

NSN 5325-01-686-2850 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-686-2850. Manufacturer of record part number: BACS21EE3RB.

Also searched as 5325-01-686-2850 · 5325016862850 · NIIN 016862850 · 01-686-2850 · FSC 5325 Fastening Devices · CAGE AC910 · BACS21EE3RB

Nearby stock numbers ← 5325-01-686-2439 Ring, Retaining · 5325-01-686-2853 Stud Assembly, Turnlock Fastener →

Features

Stud Assembly,turnlock Fastener — FSC 5325
2 manufacturer part numbers on file
Manufacturer of record: Aertekno S.r.l.

Identification

NSN: 5325-01-686-2850
NIIN: 016862850
FSC: 5325 — Fastening Devices
FSG: 53 — Hardware and Abrasives
Primary part number: BACS21EE3RB
Manufacturer: Aertekno S.r.l.

General Description

The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-01-686-2850, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Aertekno S.r.l.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Stud Assembly,turnlock Fastener
FSC / FSG	5325 — Fastening Devices (FSG 53)
Manufacturers	Aertekno S.r.l. (CAGE AC910); Leonardo Spa Helicopters Division - Production Site (CAGE A0126)

Technical Specifications

Parameter	Value
NSN	5325-01-686-2850
Primary Part Number	BACS21EE3RB
Item Name	Stud Assembly,turnlock Fastener
FSC / FSG	5325 / 53 — Fastening Devices
Manufacturer	Aertekno S.r.l.
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
BACS21EE3RB	Aertekno S.r.l. (ITA)
BACS21EE3RB	Leonardo Spa Helicopters Division - Production Site (ITA)

Reference documents

Reference	Meaning
BACS21EE3RB	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 5325 — Fastening Devices

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5325-00-000-1884

5325-00-000-1884 · Item name not on file

5325-00-000-9988

5325-00-000-9988 · Item name not on file

5325-00-001-1567

RING,RETAINING

5325-00-001-2043

FASTENER,PANEL

5325-00-001-3842

RING,RETAINING

5325-00-001-3858

5325-00-001-3858 · Item name not on file

5325-00-001-3871

RING,RETAINING

5325-00-001-4317

RING,RETAINING

Frequently Asked Questions

What is NSN 5325-01-686-2850?

NSN 5325-01-686-2850 is a Stud Assembly,turnlock Fastener, manufactured by Aertekno S.r.l., classified under FSC 5325, Fastening Devices. Status: active.

What part numbers are listed for NSN 5325-01-686-2850?

NSN 5325-01-686-2850 has 2 manufacturer part numbers on file: BACS21EE3RB (Aertekno S.r.l.), BACS21EE3RB (Leonardo Spa Helicopters Division - Production Site).

Is NSN 5325-01-686-2850 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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