PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FF-S-92 TY1 STY 2SScrew,machine

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5305-01-252-1372 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-252-1372 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-252-1372. Primary manufacturer part number: FF-S-92 TY1 STY 2S.
Features
  • Screw,machine — FSC 5305
  • Thread Class: 2A A
  • Thread Length: 1.816 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
  • Head Diameter: 0.775 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Head Style: FLAT COUNTERSUNK
  • Fastener Length: 1.970 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
  • Screw Material Document and Classification: QQ-N-281 CLASSA FED SPEC SINGLE MATERIAL RESPONSE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-252-1372, 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-252-1372
Primary Part NumberFF-S-92 TY1 STY 2S
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Thread Class2A A
Thread Length1.816 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
Head Diameter0.775 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head StyleFLAT COUNTERSUNK
Fastener Length1.970 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
Screw Material Document and ClassificationQQ-N-281 CLASSA FED SPEC SINGLE MATERIAL RESPONSE
Thread DirectionRIGHT-HAND
Internal Drive StyleSLOT
Countersink Angle82.0 DEGREES NOMINAL
Minimum Tensile Strength80000 POUNDS PER SQUARE INCH LBS
Thread Quantity Per Inch13
Nondefinitive Spec/std Data1 TYPE AND 2S STYLE
Nominal Thread Diameter0.500 INCHES IN
Screw MaterialNICKEL ALLOY 400
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
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
5305-01-266-7324 INTERCHANGEABLE
Screw,machine
5305-01-267-9015 INTERCHANGEABLE
Setscrew
5305-01-269-7392 INTERCHANGEABLE
Screw,machine
5305-01-288-0134 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
FF-S-92 TY1 STY 2S Federal Specifications Promulgated by General Services Administration Washington DC (USA)
1/2 IN 13UNC-2A X 2IN LG 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
5305-01-266-7324INTERCHANGEABLE
SCREW,MACHINE
5305-01-267-9015INTERCHANGEABLE
SETSCREW
5305-01-269-7392INTERCHANGEABLE
SCREW,MACHINE
5305-01-288-0134INTERCHANGEABLE
SCREW,MACHINE

Frequently Asked Questions

What is NSN 5305-01-252-1372?

NSN 5305-01-252-1372 is a Screw,machine, 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 5305-01-252-1372?

NSN 5305-01-252-1372 has 2 cross-referenced part numbers: FF-S-92 TY1 STY 2S (Federal Specifications Promulgated by General Services Administration Washington DC), 1/2 IN 13UNC-2A X 2IN LG (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5305-01-252-1372?

There are 7 known substitutes for 5305-01-252-1372: 5305-00-770-2533, 5305-01-172-2530, 5305-01-251-2906 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FF-S-92 TY1 STY 2S?

Key specifications for FF-S-92 TY1 STY 2S: Thread Class: 2A A; Thread Length: 1.816 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN; Head Diameter: 0.775 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 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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