PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFS85TYPE2STYLE10PScrew,cap,hexagon Head

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5305-00-285-5166 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-285-5166 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-285-5166. Primary manufacturer part number: FFS85TYPE2STYLE10P.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Head Style: HEXAGON
  • Material: STEEL OVERALL
  • Nondefinitive Spec/std Data: II TYPE AND 10P STYLE
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Departure From Cited Document: AS MODIFIED BY HEIGHT AND WIDTH BETWEEN FLATS
  • Thread Quantity Per Inch: 14
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-285-5166, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-285-5166
Primary Part NumberFFS85TYPE2STYLE10P
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Head StyleHEXAGON
MaterialSTEEL OVERALL
Nondefinitive Spec/std DataII TYPE AND 10P STYLE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Surface TreatmentCADMIUM OR ZINC OVERALL
Departure From Cited DocumentAS MODIFIED BY HEIGHT AND WIDTH BETWEEN FLATS
Thread Quantity Per Inch14
Thread DirectionRIGHT-HAND
Material Document and ClassificationSAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Length1.125 INCHES MINIMUM IN
Thread Class2A A
Nominal Thread Diameter0.438 INCHES IN
Fastener Length3.000 INCHES NOMINAL IN
Head Height0.328 INCHES NOMINAL IN
Width Between Flats0.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-298-4537 INTERCHANGEABLE
Nut,self-Locking,hexagon
6625-00-324-59922919995 INTERCHANGEABLE
Modulator,signal Generator
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5815-00-822-5297180160 INTERCHANGEABLE
Keytop,keyboard
Telemechanics Inc
3120-01-052-4107180160 INTERCHANGEABLE
Bushing,plain,flang
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
4140-01-691-3602180.160 INTERCHANGEABLE
Nozzle,blower
Desco Manufacturing Company Div Desco Manufacturing Co. Inc.
Cross-Reference Index
Part NumberManufacturer
FFS85TYPE2STYLE10P Federal Specifications Promulgated by General Services Administration Washington DC (USA)
180160 CAGE 00000
Related Parts
5310-00-298-4537INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
6625-00-324-5992INTERCHANGEABLE
MODULATOR,SIGNAL GENERATOR
2919995
5815-00-822-5297INTERCHANGEABLE
KEYTOP,KEYBOARD
180160
3120-01-052-4107INTERCHANGEABLE
BUSHING,PLAIN,FLANG
180160
4140-01-691-3602INTERCHANGEABLE
NOZZLE,BLOWER
180.160

Frequently Asked Questions

What is NSN 5305-00-285-5166?

NSN 5305-00-285-5166 is a Screw,cap,hexagon Head, 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 5305-00-285-5166?

NSN 5305-00-285-5166 has 2 cross-referenced part numbers: FFS85TYPE2STYLE10P (Federal Specifications Promulgated by General Services Administration Washington DC), 180160.

What NSN replaces 5305-00-285-5166?

There are 5 known substitutes for 5305-00-285-5166: 5310-00-298-4537, 6625-00-324-5992, 5815-00-822-5297 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FFS85TYPE2STYLE10P?

Key specifications for FFS85TYPE2STYLE10P: Head Style: HEXAGON; Material: STEEL OVERALL; Nondefinitive Spec/std Data: II TYPE AND 10P STYLE; 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.
PartsTable Design LLC · partstable.com