PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18113Screw,machine

Federal Screw Products, Inc. · NSN 5305-00-988-1171 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-988-1171 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-988-1171. Primary manufacturer part number: 18113.
Features
  • Screw,machine — FSC 5305
  • Thread Quantity Per Inch: 20
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Screw Material Document and Classification: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE
  • Screw Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE
  • Screw Surface Treatment: CADMIUM AND CHROMATE
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Screw Material: STEEL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-988-1171, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Screw Products, Inc.. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-988-1171
Primary Part Number18113
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFederal Screw Products, Inc.
StatusCANCELLED
Thread Quantity Per Inch20
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Screw Material Document and ClassificationQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE
Screw Surface Treatment Document and ClassificationQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE
Screw Surface TreatmentCADMIUM AND CHROMATE
Nominal Thread Diameter0.250 INCHES IN
Screw MaterialSTEEL
Minimum Tensile Strength60000 POUNDS PER SQUARE INCH LBS
Thread Length1.338 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
Head Diameter0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
Fastener Length1.438 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
Internal Drive StyleCROSS RECESS TYPE 1
Head Height0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Class2A A
Head StylePAN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-088-8923MS35207-285 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
2810-00-118-6544 INTERCHANGEABLE
Pipe
5310-00-161-9758 INTERCHANGEABLE
Washer,special
4330-00-213-035899126965 INTERCHANGEABLE
Filtering Disk,fluid
Alfa Laval Inc
5330-00-286-0652A336 INTERCHANGEABLE
Gasket
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
3120-00-294-1008BB1056 INTERCHANGEABLE
Bearing,sleeve
Bae Systems Information and Electronic Systems Integration Inc.
4820-00-399-2818005-101-0016 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5325-00-449-30611206-435-Z3C INTERCHANGEABLE
Stud,turnlock Fastener
Southco Inc
5950-00-645-578619113 INTERCHANGEABLE
Transformer,power
Freed Transformer Co
2520-00-739-4867114-8113 INTERCHANGEABLE
Spider,universal Joint,vehicular
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
Cross-Reference Index
Part NumberManufacturer
18113 Federal Screw Products, Inc. (USA)
MS35206-285 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
19113 Federal Screw Products, Inc. (USA)
FFS92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
EE48827 Oshkosh Corp (USA)
13400083 Fwd Seagrave Holdings Lp (USA)
19113ADX Airdale Express Llc Div Airdale Express (USA)
822-1091 Cummins Power Generation Inc. (USA)
EE48827 Oshkosh Defense Llc (USA)
F435 Tld Ace Corp Div Tld Ace (USA)
Related Parts
5305-00-088-8923INTERCHANGEABLE
SCREW,MACHINE
MS35207-285
2810-00-118-6544INTERCHANGEABLE
PIPE
5310-00-161-9758INTERCHANGEABLE
WASHER,SPECIAL
4330-00-213-0358INTERCHANGEABLE
FILTERING DISK,FLUID
99126965
5330-00-286-0652INTERCHANGEABLE
GASKET
A336
3120-00-294-1008INTERCHANGEABLE
BEARING,SLEEVE
BB1056
4820-00-399-2818INTERCHANGEABLE
DISK,VALVE
005-101-0016
5325-00-449-3061INTERCHANGEABLE
STUD,TURNLOCK FASTENER
1206-435-Z3C
5950-00-645-5786INTERCHANGEABLE
TRANSFORMER,POWER
19113
2520-00-739-4867INTERCHANGEABLE
SPIDER,UNIVERSAL JOINT,VEHICULAR
114-8113
5895-00-907-5086INTERCHANGEABLE
COUNTERWEIGHT
6540-00-979-9269INTERCHANGEABLE
PIN,CRANK,OPHTHALMIC LENS SURFAC
18113

Frequently Asked Questions

What is NSN 5305-00-988-1171?

NSN 5305-00-988-1171 is a Screw,machine, manufactured by Federal Screw Products, Inc., classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-988-1171?

NSN 5305-00-988-1171 has 10 cross-referenced part numbers: 18113 (Federal Screw Products, Inc.), MS35206-285 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 19113 (Federal Screw Products, Inc.), FFS92 (Federal Specifications Promulgated by General Services Administration Washington DC), EE48827 (Oshkosh Corp) and 5 more.

What NSN replaces 5305-00-988-1171?

There are 12 known substitutes for 5305-00-988-1171: 5305-00-088-8923, 2810-00-118-6544, 5310-00-161-9758 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18113?

Key specifications for 18113: Thread Quantity Per Inch: 20; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Screw Material Document and Classification: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE; Screw Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-988-1171 still in active supply?

NSN 5305-00-988-1171 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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