PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50-007W18Stud,turnlock Fastener

Bell Textron Inc · NSN 5325-01-429-4924 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-01-429-4924 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-429-4924. Primary manufacturer part number: 50-007W18.
Features
  • Stud,turnlock Fastener — FSC 5325
  • Stud Shank Major Diameter: 0.212 INCHES NOMINAL IN
  • Shank Neck Length: 0.280 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Turnlock Stud Shank Style: STUD SHANK
  • Stud Head Height: 0.310 INCHES NOMINAL IN
  • Head Length: 0.865 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
  • Surface Treatment Document and Classification: QQ-P-416 TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-429-4924, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bell Textron Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-01-429-4924
Primary Part Number50-007W18
Item NameStud,turnlock Fastener
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerBell Textron Inc
StatusACTIVE
Stud Shank Major Diameter0.212 INCHES NOMINAL IN
Shank Neck Length0.280 INCHES NOMINAL IN
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Turnlock Stud Shank StyleSTUD SHANK
Stud Head Height0.310 INCHES NOMINAL IN
Head Length0.865 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationQQ-P-416 TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Turnlock Stud Head StyleFILLISTER WING
Grip Length0.400 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4810-00-177-85913082P INTERCHANGEABLE
Seat,valve
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5330-00-179-0968 INTERCHANGEABLE
Seal,plain Encased
5120-00-223-6948 INTERCHANGEABLE
Extractor,screw
5340-00-591-222450007 INTERCHANGEABLE
Boot,dust and Moisture Seal
Multi-Flex Seals Inc
2995-00-630-743450007 INTERCHANGEABLE
Parts Kit,actuator
Meggitt North Hollywood Inc
6750-00-728-007150007 INTERCHANGEABLE
Processing Mailer
Qualex Inc Kodalux Processing Services Div
3010-00-770-48345000-7 INTERCHANGEABLE
Insert,flexible Coupling
Raytheon Company Div Rmd Strategic
9650-01-372-93522505A INTERCHANGEABLE
Fusible Alloy
Belmont Metals, Inc. Dba Belmont Metals Div Belmont Metals
4820-01-469-624550007-04 INTERCHANGEABLE
Regulator,thermostatic Temperatu
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5325-01-584-424850-007A21C INTERCHANGEABLE
Stud,turnlock Fastener
Bell Textron Inc
Cross-Reference Index
Part NumberManufacturer
50-007W18 PRIMARY Bell Textron Inc (USA)
50-007 Bell Textron Inc (USA)
50-007W18 Leonardo Spa Helicopters Division - Production Site (ITA)
50-007W18 Southco Inc (USA)
50-007W18 Southco Inc. (USA)
Related Parts
4810-00-177-8591INTERCHANGEABLE
SEAT,VALVE
3082P
5330-00-179-0968INTERCHANGEABLE
SEAL,PLAIN ENCASED
5120-00-223-6948INTERCHANGEABLE
EXTRACTOR,SCREW
5340-00-591-2224INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
50007
2995-00-630-7434INTERCHANGEABLE
PARTS KIT,ACTUATOR
50007
6750-00-728-0071INTERCHANGEABLE
PROCESSING MAILER
50007
3010-00-770-4834INTERCHANGEABLE
INSERT,FLEXIBLE COUPLING
5000-7
9650-01-372-9352INTERCHANGEABLE
FUSIBLE ALLOY
2505A
4820-01-469-6245INTERCHANGEABLE
REGULATOR,THERMOSTATIC TEMPERATU
50007-04
5325-01-584-4248INTERCHANGEABLE
STUD,TURNLOCK FASTENER
50-007A21C
4720-01-653-8455INTERCHANGEABLE
HOSE,METALLIC
5-0007
5325-01-686-6405INTERCHANGEABLE
STUD,TURNLOCK FASTENER
50-007W24C

Frequently Asked Questions

What is NSN 5325-01-429-4924?

NSN 5325-01-429-4924 is a Stud,turnlock Fastener, manufactured by Bell Textron Inc, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-01-429-4924?

NSN 5325-01-429-4924 has 5 cross-referenced part numbers: 50-007W18 (Bell Textron Inc), 50-007 (Bell Textron Inc), 50-007W18 (Leonardo Spa Helicopters Division - Production Site), 50-007W18 (Southco Inc), 50-007W18 (Southco Inc.).

What NSN replaces 5325-01-429-4924?

There are 12 known substitutes for 5325-01-429-4924: 4810-00-177-8591, 5330-00-179-0968, 5120-00-223-6948 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50-007W18?

Key specifications for 50-007W18: Stud Shank Major Diameter: 0.212 INCHES NOMINAL IN; Shank Neck Length: 0.280 INCHES NOMINAL IN; Surface Treatment: CADMIUM AND CHROMATE OVERALL; Turnlock Stud Shank Style: STUD SHANK. 10 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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