NSN 5325-01-457-7238 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-457-7238. Manufacturer of record part number: 1631-4113-Z3BT.
Stud Shank Major Diameter: 5.0 MILLIMETERS NOMINAL MM
Surface Treatment: ZINC AND CHROMATE OVERALL
Material: STEEL OVERALL
Identification
NSN: 5325-01-457-7238
NIIN: 014577238
FSC: 5325 — Fastening Devices
FSG: 53 — Hardware and Abrasives
Primary part number: 1631-4113-Z3BT
Manufacturer: Southco Inc
General Description
The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-457-7238, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Southco Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
5325-01-457-7238
Primary Part Number
1631-4113-Z3BT
Item Name
Stud,turnlock Fastener
FSC / FSG
5325 / 53 — Fastening Devices
Manufacturer
Southco Inc
Status
ACTIVE
Turnlock Stud Shank Style
STUD SHANK
Diameter
8.0 MILLIMETERS NOMINAL MM
Stud Head Height
2.0 MILLIMETERS NOMINAL MM
Turnlock Stud Head Style
STUD HEAD
Stud Shank Major Diameter
5.0 MILLIMETERS NOMINAL MM
Surface Treatment
ZINC AND CHROMATE OVERALL
Material
STEEL OVERALL
Grip Length
11.5 MILLIMETERS MINIMUM AND 12.4 MILLIMETERS MAXIMUM MM
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
RING,RETAINING
5325-00-001-3871
RING,RETAINING
5325-00-001-4317
RING,RETAINING
Related Parts in Hardware and Abrasives
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
FRB7500-6A3
5325-00-001-3842
RING,RETAINING
553575
5325-00-001-3858
RING,RETAINING
5325-00-001-3871
RING,RETAINING
312382
5325-00-001-4317
RING,RETAINING
P27B50
Frequently Asked Questions
What is NSN 5325-01-457-7238?
NSN 5325-01-457-7238 is a Stud,turnlock Fastener, manufactured by Southco Inc, classified under FSC 5325, Fastening Devices. Status: active.
What part numbers are listed for NSN 5325-01-457-7238?
NSN 5325-01-457-7238 has 1 manufacturer part number on file: 1631-4113-Z3BT (Southco Inc).
What are the specifications of 1631-4113-Z3BT?
Key specifications for 1631-4113-Z3BT: Turnlock Stud Shank Style: STUD SHANK; Diameter: 8.0 MILLIMETERS NOMINAL MM; Stud Head Height: 2.0 MILLIMETERS NOMINAL MM; Turnlock Stud Head Style: STUD HEAD. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5325-01-457-7238 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.