PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11587Screw,machine

Bowmar Llc Dba Bowmar Instrument Corp · NSN 5305-01-267-9909 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-267-9909 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-267-9909. Primary manufacturer part number: 11587.
Features
  • Screw,machine — FSC 5305
  • Thread Class: 2A A
  • Thread Quantity Per Inch: 40
  • Thread Length: 0.187 INCHES NOMINAL IN
  • Head Style: FILLISTER
  • Thread Direction: RIGHT-HAND
  • Head Height: 0.056 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-267-9909, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bowmar Llc Dba Bowmar Instrument Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-267-9909
Primary Part Number11587
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerBowmar Llc Dba Bowmar Instrument Corp
StatusACTIVE
Thread Class2A A
Thread Quantity Per Inch40
Thread Length0.187 INCHES NOMINAL IN
Head StyleFILLISTER
Thread DirectionRIGHT-HAND
Head Height0.056 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Internal Drive StyleSLOT
Nominal Thread Diameter0.106 INCHES IN
Hardness Rating38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM
Screw MaterialSTEEL COMP 416
Head Diameter0.223 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
Fastener Length0.243 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5305-00-630-385111587 INTERCHANGEABLE
Setscrew
Nobles Worldwide, Inc.
5330-00-735-4404 INTERCHANGEABLE
Gasket
5305-00-790-5601508-3 INTERCHANGEABLE
Setscrew
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
4920-01-036-3804 INTERCHANGEABLE
Slinger
5315-01-330-5755 INTERCHANGEABLE
Pin,spring
4330-01-562-021211587 INTERCHANGEABLE
Filter,strainer
Allied Systems Company Dba Allied Systems Co
5310-01-666-054811587 INTERCHANGEABLE
Washer,flat
Exlar Corporation
Cross-Reference Index
Part NumberManufacturer
11587 PRIMARY Bowmar Llc Dba Bowmar Instrument Corp (USA)
Related Parts
5305-00-630-3851INTERCHANGEABLE
SETSCREW
11587
5330-00-735-4404INTERCHANGEABLE
GASKET
5305-00-790-5601INTERCHANGEABLE
SETSCREW
508-3
4920-01-036-3804INTERCHANGEABLE
SLINGER
5315-01-330-5755INTERCHANGEABLE
PIN,SPRING
4330-01-562-0212INTERCHANGEABLE
FILTER,STRAINER
11587
5310-01-666-0548INTERCHANGEABLE
WASHER,FLAT
11587

Frequently Asked Questions

What is NSN 5305-01-267-9909?

NSN 5305-01-267-9909 is a Screw,machine, manufactured by Bowmar Llc Dba Bowmar Instrument Corp, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-267-9909?

NSN 5305-01-267-9909 has 1 cross-referenced part number: 11587 (Bowmar Llc Dba Bowmar Instrument Corp).

What NSN replaces 5305-01-267-9909?

There are 7 known substitutes for 5305-01-267-9909: 5305-00-630-3851, 5330-00-735-4404, 5305-00-790-5601 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11587?

Key specifications for 11587: Thread Class: 2A A; Thread Quantity Per Inch: 40; Thread Length: 0.187 INCHES NOMINAL IN; Head Style: FILLISTER. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com