PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5/16-18 UNC-2A X 1 IN LGSetscrew

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5305-01-267-9015 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-267-9015 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-267-9015. Primary manufacturer part number: 5/16-18 UNC-2A X 1 IN LG.
Features
  • Setscrew — FSC 5305
  • Thread Class: 2A A
  • Countersink Angle: 82.0 DEGREES NOMINAL
  • Material: NICKEL ALLOY 400 OVERALL
  • Internal Drive Style: SLOT
  • Thread Length: 0.889 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
  • Head Diameter: 0.568 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
  • Minimum Tensile Strength: 80000 POUNDS PER SQUARE INCH LBS
Applications
  • Applications requiring Nickel Alloy 400 Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-01-267-9015, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-267-9015
Primary Part Number5/16-18 UNC-2A X 1 IN LG
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Thread Class2A A
Countersink Angle82.0 DEGREES NOMINAL
MaterialNICKEL ALLOY 400 OVERALL
Internal Drive StyleSLOT
Thread Length0.889 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
Head Diameter0.568 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
Minimum Tensile Strength80000 POUNDS PER SQUARE INCH LBS
Point StyleFLAT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Fastener Length1.000 INCHES NOMINAL IN
Material Document and ClassificationQQ-N-281 CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Head StyleFLAT COUNTERSUNK
Thread Quantity Per Inch18
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.312 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5305-00-770-2533119450 INTERCHANGEABLE
Screw,machine
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5305-01-172-2530203-2581151 ITEM 6 INTERCHANGEABLE
Screw,machine
Naval Ship Systems Command
5305-01-251-2906 INTERCHANGEABLE
Screw,machine
5305-01-252-1372 INTERCHANGEABLE
Screw,machine
5305-01-266-7324 INTERCHANGEABLE
Screw,machine
5305-01-269-7392 INTERCHANGEABLE
Screw,machine
5305-01-288-0134 INTERCHANGEABLE
Screw,machine
5305-01-298-97345/16-18UNC-2A X 1 IN LG INTERCHANGEABLE
Screw,machine
American National Standards Institute Incorporated Dba American National Standards Institute
Cross-Reference Index
Part NumberManufacturer
5/16-18 UNC-2A X 1 IN LG Federal Specifications Promulgated by General Services Administration Washington DC (USA)
FF-S-92 TY1 STY2S Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5305-00-770-2533INTERCHANGEABLE
SCREW,MACHINE
119450
5305-01-172-2530INTERCHANGEABLE
SCREW,MACHINE
203-2581151 ITEM 6
5305-01-251-2906INTERCHANGEABLE
SCREW,MACHINE
5305-01-252-1372INTERCHANGEABLE
SCREW,MACHINE
5305-01-266-7324INTERCHANGEABLE
SCREW,MACHINE
5305-01-269-7392INTERCHANGEABLE
SCREW,MACHINE
5305-01-288-0134INTERCHANGEABLE
SCREW,MACHINE
5305-01-298-9734INTERCHANGEABLE
SCREW,MACHINE
5/16-18UNC-2A X 1 IN LG

Frequently Asked Questions

What is NSN 5305-01-267-9015?

NSN 5305-01-267-9015 is a Setscrew, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-267-9015?

NSN 5305-01-267-9015 has 2 cross-referenced part numbers: 5/16-18 UNC-2A X 1 IN LG (Federal Specifications Promulgated by General Services Administration Washington DC), FF-S-92 TY1 STY2S (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5305-01-267-9015?

There are 8 known substitutes for 5305-01-267-9015: 5305-00-770-2533, 5305-01-172-2530, 5305-01-251-2906 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5/16-18 UNC-2A X 1 IN LG?

Key specifications for 5/16-18 UNC-2A X 1 IN LG: Thread Class: 2A A; Countersink Angle: 82.0 DEGREES NOMINAL; Material: NICKEL ALLOY 400 OVERALL; Internal Drive Style: SLOT. 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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