PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12259Screw,machine

Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems · NSN 5305-00-993-8748 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-993-8748 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-993-8748. Primary manufacturer part number: 12259.
Features
  • Screw,machine — FSC 5305
  • Screw Material: STEEL
  • Thread Series Designator: UNF
  • Thread Length: 0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
  • Thread Class: 2A A
  • Head Height: 0.130 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Head Style: PAN NO. 2
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-993-8748, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems. Government technical data includes 12 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-993-8748
Primary Part Number12259
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerStanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
StatusACTIVE
Screw MaterialSTEEL
Thread Series DesignatorUNF
Thread Length0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
Thread Class2A A
Head Height0.130 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN
Nominal Thread Diameter0.250 INCHES IN
Head StylePAN NO. 2
Thread DirectionRIGHT-HAND
Fastener Length0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
Thread Quantity Per Inch28
Head Diameter0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
Internal Drive StyleSLOT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5133-00-189-9304 INTERCHANGEABLE
Drill,twist
1560-00-210-932612259 INTERCHANGEABLE
Trimstrip,window
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5133-00-228-1354 INTERCHANGEABLE
Drill,twist
5905-00-807-3315 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
5950-01-185-9991BTC-12259 INTERCHANGEABLE
Coil,electrical
Berkshire Transformer
5365-01-333-266012259 INTERCHANGEABLE
Plug,machine Thread
Stanadyne Corporation Dba Stanadyne Diesel Systems
Cross-Reference Index
Part NumberManufacturer
12259 PRIMARY Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
4051635 Agco Corp Parts Opn (USA)
Related Parts
5133-00-189-9304INTERCHANGEABLE
DRILL,TWIST
1560-00-210-9326INTERCHANGEABLE
TRIMSTRIP,WINDOW
12259
5133-00-228-1354INTERCHANGEABLE
DRILL,TWIST
5905-00-807-3315INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5950-01-185-9991INTERCHANGEABLE
COIL,ELECTRICAL
BTC-12259
5365-01-333-2660INTERCHANGEABLE
PLUG,MACHINE THREAD
12259

Frequently Asked Questions

What is NSN 5305-00-993-8748?

NSN 5305-00-993-8748 is a Screw,machine, manufactured by Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-993-8748?

NSN 5305-00-993-8748 has 2 cross-referenced part numbers: 12259 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems), 4051635 (Agco Corp Parts Opn).

What NSN replaces 5305-00-993-8748?

There are 6 known substitutes for 5305-00-993-8748: 5133-00-189-9304, 1560-00-210-9326, 5133-00-228-1354 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12259?

Key specifications for 12259: Screw Material: STEEL; Thread Series Designator: UNF; Thread Length: 0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN; Thread Class: 2A A. 12 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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