PartsTable TECHNICAL DATA SHEET

NSN 5325-01-400-3979Government record, cited

Stud Assembly, Turnlock Fastener5325-01-400-3979

NSN 5325-01-400-3979 · NIIN 014003979 · Part number 2351-W20-15-C3Y

Southco Inc · FSC 5325 — Fastening Devices · FSG 53 — Hardware and Abrasives · CAGE 72794

Government record, cited

NSN 5325-01-400-3979 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-400-3979. Manufacturer of record part number: 2351-W20-15-C3Y.

Also searched as 5325-01-400-3979 · 5325014003979 · NIIN 014003979 · 01-400-3979 · FSC 5325 Fastening Devices · CAGE 72794 · 2351-W20-15-C3Y · AW35T15CBY

Nearby stock numbers ← 5325-01-400-3828 Ring, Retaining · 5325-01-400-4091 Stud Assembly, Turnlock Fastener →

Features

Stud Assembly,turnlock Fastener — FSC 5325
1 manufacturer part number on file
Manufacturer of record: Southco Inc

Identification

NSN: 5325-01-400-3979
NIIN: 014003979
FSC: 5325 — Fastening Devices
FSG: 53 — Hardware and Abrasives
Primary part number: 2351-W20-15-C3Y
Manufacturer: Southco Inc

General Description

The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-01-400-3979, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Southco 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5325-01-400-3979
Primary Part Number	2351-W20-15-C3Y
Item Name	Stud Assembly,turnlock Fastener
FSC / FSG	5325 / 53 — Fastening Devices
Manufacturer	Southco 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
2351-W20-15-C3Y PRIMARY	Southco Inc (USA)

Reference documents

Reference	Meaning
AW35T15CBY	5/9 Secondary reference Southco Inc

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 5325-01-400-3979?

NSN 5325-01-400-3979 is a Stud Assembly,turnlock Fastener, manufactured by Southco Inc, classified under FSC 5325, Fastening Devices. Status: active.

What part numbers are listed for NSN 5325-01-400-3979?

NSN 5325-01-400-3979 has 1 manufacturer part number on file: 2351-W20-15-C3Y (Southco Inc).

What are the specifications of 2351-W20-15-C3Y?

Key specifications for 2351-W20-15-C3Y: End Item Identification: HELICOPTER MODELS, AB205, AB206, A109. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5325-01-400-3979 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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