PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFS85TYPE2STYLE10PGRADE2Screw,cap,hexagon Head

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5305-00-266-6288 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-266-6288 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-266-6288. Primary manufacturer part number: FFS85TYPE2STYLE10PGRADE2.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Fastener Length: 1.750 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 16
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Hardness Rating: 100.0 ROCKWELL B MAXIMUM OVERALL
  • Material: STEEL OVERALL
  • Nondefinitive Spec/std Data: 2 TYPE AND 10P STYLE AND 2 GRADE
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
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 5305-00-266-6288, 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 2 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
NSN5305-00-266-6288
Primary Part NumberFFS85TYPE2STYLE10PGRADE2
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Fastener Length1.750 INCHES NOMINAL IN
Thread Quantity Per Inch16
Nominal Thread Diameter0.375 INCHES IN
Hardness Rating100.0 ROCKWELL B MAXIMUM OVERALL
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data2 TYPE AND 10P STYLE AND 2 GRADE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread DirectionRIGHT-HAND
Minimum Tensile Strength69000 POUNDS PER SQUARE INCH LBS
Thread Length1.000 INCHES MINIMUM IN
Width Between Flats0.562 INCHES NOMINAL IN
Thread Class2A A
Surface TreatmentCADMIUM OVERALL
Head Height0.281 INCHES NOMINAL IN
Head StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-011-46274-060110B INTERCHANGEABLE
Nut,tube Coupling
Sae International Dba Sae International
2940-00-444-741402261-0142 INTERCHANGEABLE
Air Cleaner,intake
Asrc Federal Facilities Logistics, Llc
5998-00-460-47976723-00400 INTERCHANGEABLE
Circuit Card Assembly
Bae Systems (operations) Limited
9540-00-595-9916 INTERCHANGEABLE
Angle,structural
4810-00-795-5039200RB4T4-T INTERCHANGEABLE
Valve,solenoid
Emerson Electric Co Alco Controls Div
2910-00-801-46790-14981 INTERCHANGEABLE
Carburetor,float
Zenith Fuel Systems Llc
5365-00-986-181830214-1 INTERCHANGEABLE
Spacer,ring
Dana Light Axle Products, Llc Dba Dana Light Axle Products
6670-01-055-6180S-120 INTERCHANGEABLE
Scale,mail and Parcel Post
Pitney Bowes Inc.
7021-01-322-7539S120 INTERCHANGEABLE
Computer,digital
Data General Corporation
5130-01-338-8014S120 INTERCHANGEABLE
Saw,circular,portable,pneumatic
Ingersoll-Rand Co Power Tool Div
Cross-Reference Index
Part NumberManufacturer
FFS85TYPE2STYLE10PGRADE2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
S120 Cummins Inc. (USA)
Related Parts
4730-00-011-4627INTERCHANGEABLE
NUT,TUBE COUPLING
4-060110B
2940-00-444-7414INTERCHANGEABLE
AIR CLEANER,INTAKE
02261-0142
5998-00-460-4797INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
6723-00400
9540-00-595-9916INTERCHANGEABLE
ANGLE,STRUCTURAL
4810-00-795-5039INTERCHANGEABLE
VALVE,SOLENOID
200RB4T4-T
2910-00-801-4679INTERCHANGEABLE
CARBURETOR,FLOAT
0-14981
5365-00-986-1818INTERCHANGEABLE
SPACER,RING
30214-1
6670-01-055-6180INTERCHANGEABLE
SCALE,MAIL AND PARCEL POST
S-120
7021-01-322-7539INTERCHANGEABLE
COMPUTER,DIGITAL
S120
5130-01-338-8014INTERCHANGEABLE
SAW,CIRCULAR,PORTABLE,PNEUMATIC
S120
3460-01-355-6194INTERCHANGEABLE
SLEEVE,EXPANSION MANDREL
S-120
5120-01-371-4008INTERCHANGEABLE
REMOVER,SEAL
S120P

Frequently Asked Questions

What is NSN 5305-00-266-6288?

NSN 5305-00-266-6288 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 5305-00-266-6288?

NSN 5305-00-266-6288 has 2 cross-referenced part numbers: FFS85TYPE2STYLE10PGRADE2 (Federal Specifications Promulgated by General Services Administration Washington DC), S120 (Cummins Inc.).

What NSN replaces 5305-00-266-6288?

There are 12 known substitutes for 5305-00-266-6288: 4730-00-011-4627, 2940-00-444-7414, 5998-00-460-4797 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FFS85TYPE2STYLE10PGRADE2?

Key specifications for FFS85TYPE2STYLE10PGRADE2: Fastener Length: 1.750 INCHES NOMINAL IN; Thread Quantity Per Inch: 16; Nominal Thread Diameter: 0.375 INCHES IN; Hardness Rating: 100.0 ROCKWELL B MAXIMUM 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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