PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31684Screw,machine

Valcor Engineering Corporation · NSN 5305-00-009-3367 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-009-3367 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-009-3367. Primary manufacturer part number: 31684.
Features
  • Screw,machine — FSC 5305
  • Thread Length: 1.130 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Screw Material: STEEL CORROSION RESISTING
  • Fastener Length: 1.130 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.164 INCHES IN
  • Thread Class: 3A A
  • Head Diameter: 0.260 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-009-3367, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Valcor Engineering Corporation. Government technical data includes 11 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-009-3367
Primary Part Number31684
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerValcor Engineering Corporation
StatusACTIVE
Thread Length1.130 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Screw MaterialSTEEL CORROSION RESISTING
Fastener Length1.130 INCHES NOMINAL IN
Nominal Thread Diameter0.164 INCHES IN
Thread Class3A A
Head Diameter0.260 INCHES NOMINAL IN
Head StyleFILLISTER
Thread Quantity Per Inch32
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Internal Drive StyleSLOT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4720-00-203-763725478 INTERCHANGEABLE
Hose,preformed
Gates Corporation
5940-00-643-5089276642 INTERCHANGEABLE
Terminal,lug
Lockheed Martin Corporation Div Rms - Mitchel Field
4820-01-290-916231684 INTERCHANGEABLE
Valve,ball
Western Emergency Equipment Co Div of Haws Drinking Faucet Co
3040-01-516-1835 INTERCHANGEABLE
Differential Gear Unit
Cross-Reference Index
Part NumberManufacturer
31684 PRIMARY Valcor Engineering Corporation (USA)
31684 Kidde-Fenwal, Llc (USA)
Related Parts
4720-00-203-7637INTERCHANGEABLE
HOSE,PREFORMED
25478
5940-00-643-5089INTERCHANGEABLE
TERMINAL,LUG
276642
4820-01-290-9162INTERCHANGEABLE
VALVE,BALL
31684
3040-01-516-1835INTERCHANGEABLE
DIFFERENTIAL GEAR UNIT

Frequently Asked Questions

What is NSN 5305-00-009-3367?

NSN 5305-00-009-3367 is a Screw,machine, manufactured by Valcor Engineering Corporation, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-009-3367?

NSN 5305-00-009-3367 has 2 cross-referenced part numbers: 31684 (Valcor Engineering Corporation), 31684 (Kidde-Fenwal, Llc).

What NSN replaces 5305-00-009-3367?

There are 4 known substitutes for 5305-00-009-3367: 4720-00-203-7637, 5940-00-643-5089, 4820-01-290-9162 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31684?

Key specifications for 31684: Thread Length: 1.130 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Screw Material: STEEL CORROSION RESISTING; Fastener Length: 1.130 INCHES NOMINAL IN. 11 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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