PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

61060Screw,machine

H-K Connecticut Holding Company · NSN 5305-01-259-2899 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-259-2899 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-259-2899. Primary manufacturer part number: 61060.
Features
  • Screw,machine — FSC 5305
  • Width Between Flats: 0.312 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 20
  • Screw Material: STEEL
  • Thread Series Designator: UNRF
  • Countersink Angle: 82.0 DEGREES NOMINAL
  • Nominal Thread Diameter: 0.500 INCHES IN
  • Head Diameter: 0.860 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-259-2899, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is H-K Connecticut Holding Company. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5305-01-259-2899
Primary Part Number61060
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerH-K Connecticut Holding Company
StatusACTIVE
Width Between Flats0.312 INCHES NOMINAL IN
Thread Quantity Per Inch20
Screw MaterialSTEEL
Thread Series DesignatorUNRF
Countersink Angle82.0 DEGREES NOMINAL
Nominal Thread Diameter0.500 INCHES IN
Head Diameter0.860 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN
Fastener Length1.749 INCHES NOMINAL IN
Head Height0.251 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Length1.500 INCHES NOMINAL IN
Thread Class2A A
Head StyleFLAT COUNTERSUNK UNDERCUT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5136-00-273-920261060 INTERCHANGEABLE
Restorer,thread
Buckingham Mfg Co Inc
4520-00-383-2143B2.65 INTERCHANGEABLE
Heating Element,electrical,nonim
Schneider Electric Usa, Inc.
3120-00-520-917061060 INTERCHANGEABLE
Bushing,sleeve
Lockheed Martin Corp
5345-01-214-291969957399790 INTERCHANGEABLE
Disk,abrasive
Saint-Gobain Abrasives Inc
6515-01-525-212361060 INTERCHANGEABLE
Light,head,diagnostic
Streamlight Inc Dba Streamlight Inc
5961-01-545-1564A180M INTERCHANGEABLE
Semiconductor Device,diode
Powerex, Inc.
Cross-Reference Index
Part NumberManufacturer
16990-8F-320 Sps Technologies Inc (USA)
9387807 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
61060 PRIMARY H-K Connecticut Holding Company (USA)
Related Parts
5136-00-273-9202INTERCHANGEABLE
RESTORER,THREAD
61060
4520-00-383-2143INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
B2.65
3120-00-520-9170INTERCHANGEABLE
BUSHING,SLEEVE
61060
5345-01-214-2919INTERCHANGEABLE
DISK,ABRASIVE
69957399790
6515-01-525-2123INTERCHANGEABLE
LIGHT,HEAD,DIAGNOSTIC
61060
5961-01-545-1564INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
A180M

Frequently Asked Questions

What is NSN 5305-01-259-2899?

NSN 5305-01-259-2899 is a Screw,machine, manufactured by H-K Connecticut Holding Company, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-259-2899?

NSN 5305-01-259-2899 has 3 cross-referenced part numbers: 16990-8F-320 (Sps Technologies Inc), 9387807 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 61060 (H-K Connecticut Holding Company).

What NSN replaces 5305-01-259-2899?

There are 6 known substitutes for 5305-01-259-2899: 5136-00-273-9202, 4520-00-383-2143, 3120-00-520-9170 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 61060?

Key specifications for 61060: Width Between Flats: 0.312 INCHES NOMINAL IN; Thread Quantity Per Inch: 20; Screw Material: STEEL; Thread Series Designator: UNRF. 14 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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