PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18307Screw,cap,hexagon Head

Fastenal Company Dba Fastenal Co · NSN 5305-01-625-9978 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-625-9978 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-625-9978. Primary manufacturer part number: 18307.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Diameter: 18.0 INCHES IN
  • Head Diameter: 0.937 INCHES NOMINAL IN
  • Head Style: HEXAGON
  • Fastener Length: 1.25 INCHES NOMINAL IN
  • Thread Series Designator: UNF
  • 4 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-625-9978, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, 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
NSN5305-01-625-9978
Primary Part Number18307
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
Thread DirectionRIGHT-HAND
Nominal Thread Diameter18.0 INCHES IN
Head Diameter0.937 INCHES NOMINAL IN
Head StyleHEXAGON
Fastener Length1.25 INCHES NOMINAL IN
Thread Series DesignatorUNF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5950-00-084-3410 INTERCHANGEABLE
Coil,radio Frequency
6685-00-491-0291155224 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
5330-00-584-194660530 INTERCHANGEABLE
Seal,plain Encased
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5307-00-938-7943 INTERCHANGEABLE
Stud,plain
5305-00-958-5245MS35190-288 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
3120-01-310-674711370 INTERCHANGEABLE
Bushing,sleeve
Exceltec Intl Corp
5330-01-461-8230 INTERCHANGEABLE
Seal,plain
5133-01-535-8377 INTERCHANGEABLE
Drill,twist
Cross-Reference Index
Part NumberManufacturer
Y00014938 Soframe (FRA)
0410065 Miller Industries Towing Equipment Inc (USA)
U0410065 Jige International (FRA)
18307 PRIMARY Fastenal Company Dba Fastenal Co (USA)
Related Parts
5950-00-084-3410INTERCHANGEABLE
COIL,RADIO FREQUENCY
6685-00-491-0291INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
155224
5330-00-584-1946INTERCHANGEABLE
SEAL,PLAIN ENCASED
60530
5307-00-938-7943INTERCHANGEABLE
STUD,PLAIN
5305-00-958-5245INTERCHANGEABLE
SCREW,MACHINE
MS35190-288
3120-01-310-6747INTERCHANGEABLE
BUSHING,SLEEVE
11370
5330-01-461-8230INTERCHANGEABLE
SEAL,PLAIN
5133-01-535-8377INTERCHANGEABLE
DRILL,TWIST

Frequently Asked Questions

What is NSN 5305-01-625-9978?

NSN 5305-01-625-9978 is a Screw,cap,hexagon Head, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-625-9978?

NSN 5305-01-625-9978 has 4 cross-referenced part numbers: Y00014938 (Soframe), 0410065 (Miller Industries Towing Equipment Inc), U0410065 (Jige International), 18307 (Fastenal Company Dba Fastenal Co).

What NSN replaces 5305-01-625-9978?

There are 8 known substitutes for 5305-01-625-9978: 5950-00-084-3410, 6685-00-491-0291, 5330-00-584-1946 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18307?

Key specifications for 18307: Thread Direction: RIGHT-HAND; Nominal Thread Diameter: 18.0 INCHES IN; Head Diameter: 0.937 INCHES NOMINAL IN; Head Style: HEXAGON. 8 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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