PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B51272-10-10Screw,machine

Keco Industries, Inc. · NSN 5305-00-579-5025 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-579-5025 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-579-5025. Primary manufacturer part number: B51272-10-10.
Features
  • Screw,machine — FSC 5305
  • Nominal Thread Diameter: 0.190 INCHES IN
  • Screw Surface Treatment: CADMIUM AND CHROMATE OR ZINC AND CHROMATE
  • Head Height: 0.099 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
  • Screw Material: STEEL
  • Thread Length: 0.625 INCHES NOMINAL IN
  • Fastener Length: 0.625 INCHES NOMINAL 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 5305-00-579-5025, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Keco Industries, Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-579-5025
Primary Part NumberB51272-10-10
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerKeco Industries, Inc.
StatusCANCELLED
Nominal Thread Diameter0.190 INCHES IN
Screw Surface TreatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE
Head Height0.099 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
Screw MaterialSTEEL
Thread Length0.625 INCHES NOMINAL IN
Fastener Length0.625 INCHES NOMINAL IN
Head StylePAN NO. 2
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch32
Thread Class2A A
Head Diameter0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
Thread Series DesignatorUNF
Internal Drive StyleSLOT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5305-00-989-7435MS35207-264 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
B51272-10-10 Keco Industries, Inc. (USA)
501241-64 Curtiss-Wright Corp (USA)
9416183 General Motors Corp Delco Remy Div (USA)
MS35224-64 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
9416183 General Motors Corp (USA)
Related Parts
5305-00-989-7435INTERCHANGEABLE
SCREW,MACHINE
MS35207-264

Frequently Asked Questions

What is NSN 5305-00-579-5025?

NSN 5305-00-579-5025 is a Screw,machine, manufactured by Keco Industries, Inc., classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-579-5025?

NSN 5305-00-579-5025 has 5 cross-referenced part numbers: B51272-10-10 (Keco Industries, Inc.), 501241-64 (Curtiss-Wright Corp), 9416183 (General Motors Corp Delco Remy Div), MS35224-64 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 9416183 (General Motors Corp).

What NSN replaces 5305-00-579-5025?

There is 1 known substitute for 5305-00-579-5025: 5305-00-989-7435. Verify interchangeability with system specifications before substitution.

What are the specifications of B51272-10-10?

Key specifications for B51272-10-10: Nominal Thread Diameter: 0.190 INCHES IN; Screw Surface Treatment: CADMIUM AND CHROMATE OR ZINC AND CHROMATE; Head Height: 0.099 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN; Screw Material: STEEL. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-579-5025 still in active supply?

NSN 5305-00-579-5025 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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