PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3590FH4Receptacle,turnlock Fastener

Southco Inc · NSN 5325-01-257-8675 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-01-257-8675 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-257-8675. Primary manufacturer part number: 3590FH4.
Features
  • Receptacle,turnlock Fastener — FSC 5325
  • Receptacle Overall Length: 1.437 INCHES NOMINAL IN
  • Mounting Style: PLAIN W/MOUNTING HOLE
  • Turnlock Mounting Hole Diameter: 0.128 INCHES NOMINAL IN
  • Receptacle Width: 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
  • Center to Center Distance Between Mounting Holes: 0.373 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
  • Turnlock Receptacle Style: RECEPTACLE
  • Receptacle Height: 0.625 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 6061 Overall construction
General Description

The Receptacle,turnlock Fastener, cataloged under National Stock Number 5325-01-257-8675, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Southco Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-01-257-8675
Primary Part Number3590FH4
Item NameReceptacle,turnlock Fastener
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSouthco Inc
StatusACTIVE
Receptacle Overall Length1.437 INCHES NOMINAL IN
Mounting StylePLAIN W/MOUNTING HOLE
Turnlock Mounting Hole Diameter0.128 INCHES NOMINAL IN
Receptacle Width0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Holes0.373 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
Turnlock Receptacle StyleRECEPTACLE
Receptacle Height0.625 INCHES NOMINAL IN
Material Document and ClassificationQQ-A-200/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialALUMINUM ALLOY 6061 OVERALL
Surface TreatmentALUMINUM OVERALL
Surface Treatment Document and ClassificationMIL-C-83488,TY 2,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5325-00-036-9305110-045-3 INTERCHANGEABLE
Receptacle,turnlock Fastener
Bell Textron Inc
2805-00-358-322817821 INTERCHANGEABLE
Packing
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
Cross-Reference Index
Part NumberManufacturer
3590FH4 PRIMARY Southco Inc (USA)
T841-4 Trico Manufacturing Inc. (USA)
9M841F4 PRIMARY The Boeing Company Div Defense (USA)
S2800IVD4 PRIMARY Stroco Manufacturing, Inc. Dba Stroco Manufacturing Inc (USA)
PR35FH04 PRIMARY Southco Inc (USA)
3590-H320 Southco Inc (USA)
Related Parts
5325-00-036-9305INTERCHANGEABLE
RECEPTACLE,TURNLOCK FASTENER
110-045-3
2805-00-358-3228INTERCHANGEABLE
PACKING
17821

Frequently Asked Questions

What is NSN 5325-01-257-8675?

NSN 5325-01-257-8675 is a Receptacle,turnlock Fastener, manufactured by Southco Inc, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-01-257-8675?

NSN 5325-01-257-8675 has 6 cross-referenced part numbers: 3590FH4 (Southco Inc), T841-4 (Trico Manufacturing Inc.), 9M841F4 (The Boeing Company Div Defense), S2800IVD4 (Stroco Manufacturing, Inc. Dba Stroco Manufacturing Inc), PR35FH04 (Southco Inc) and 1 more.

What NSN replaces 5325-01-257-8675?

There are 2 known substitutes for 5325-01-257-8675: 5325-00-036-9305, 2805-00-358-3228. Verify interchangeability with system specifications before substitution.

What are the specifications of 3590FH4?

Key specifications for 3590FH4: Receptacle Overall Length: 1.437 INCHES NOMINAL IN; Mounting Style: PLAIN W/MOUNTING HOLE; Turnlock Mounting Hole Diameter: 0.128 INCHES NOMINAL IN; Receptacle Width: 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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