PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1918-5-8Stud,turnlock Fastener

Howmet Global Fastening Systems Inc Div Torrance Operations · NSN 5325-00-020-9708 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-020-9708 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-020-9708. Primary manufacturer part number: 1918-5-8.
Features
  • Stud,turnlock Fastener — FSC 5325
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Grip Length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Material: STEEL COMP 8740 OVERALL
  • Stud Thread Size and Series/type Designator: 0.190-32 UNIFIED NATIONAL JOINT FINE (UNJF)
  • Material Document and Classification: MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Stud Shank Major Diameter: 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Comp 8740 Overall construction
General Description

The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-020-9708, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Howmet Global Fastening Systems Inc Div Torrance Operations. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-020-9708
Primary Part Number1918-5-8
Item NameStud,turnlock Fastener
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerHowmet Global Fastening Systems Inc Div Torrance Operations
StatusACTIVE
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Grip Length0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
Surface TreatmentCADMIUM AND CHROMATE OVERALL
MaterialSTEEL COMP 8740 OVERALL
Stud Thread Size and Series/type Designator0.190-32 UNIFIED NATIONAL JOINT FINE (UNJF)
Material Document and ClassificationMIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Stud Shank Major Diameter0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Extension Length0.361 INCHES NOMINAL IN
Turnlock Stud Head StyleFLAT FILLISTER
Material Accommodated Thickness0.447 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN
Drive TypeSOCKET
Minor Diameter0.272 INCHES NOMINAL IN
Stud Head Height0.045 INCHES NOMINAL IN
Turnlock Stud Shank StyleSTUD SHANK
Diameter0.399 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3020-01-407-0735191-858 INTERCHANGEABLE
Gear,spur
Cmc Electronics Inc
Cross-Reference Index
Part NumberManufacturer
1918-5-8 PRIMARY Howmet Global Fastening Systems Inc Div Torrance Operations (USA)
Related Parts
3020-01-407-0735INTERCHANGEABLE
GEAR,SPUR
191-858

Frequently Asked Questions

What is NSN 5325-00-020-9708?

NSN 5325-00-020-9708 is a Stud,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc Div Torrance Operations, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-020-9708?

NSN 5325-00-020-9708 has 1 cross-referenced part number: 1918-5-8 (Howmet Global Fastening Systems Inc Div Torrance Operations).

What NSN replaces 5325-00-020-9708?

There is 1 known substitute for 5325-00-020-9708: 3020-01-407-0735. Verify interchangeability with system specifications before substitution.

What are the specifications of 1918-5-8?

Key specifications for 1918-5-8: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Grip Length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN; Surface Treatment: CADMIUM AND CHROMATE OVERALL; Material: STEEL COMP 8740 OVERALL. 15 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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