PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D9576-27-54Screw,machine

Met-Pro Corporation · NSN 5305-00-558-3677 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-558-3677 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-558-3677. Primary manufacturer part number: D9576-27-54.
Features
  • Screw,machine — FSC 5305
  • Screw Surface Treatment: CADMIUM AND CHROMATE OR ZINC AND CHROMATE
  • Nondefinitive Spec/std Data: I TYPE AND 9S STYLE
  • Thread Length: 0.750 INCHES NOMINAL IN
  • Fastener Length: 0.750 INCHES NOMINAL IN
  • Thread Class: 2A A
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • 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 5305-00-558-3677, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Met-Pro Corporation. Government technical data includes 15 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
NSN5305-00-558-3677
Primary Part NumberD9576-27-54
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMet-Pro Corporation
StatusCANCELLED
Screw Surface TreatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE
Nondefinitive Spec/std DataI TYPE AND 9S STYLE
Thread Length0.750 INCHES NOMINAL IN
Fastener Length0.750 INCHES NOMINAL IN
Thread Class2A A
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head StylePAN NO. 2
Thread Quantity Per Inch20
Thread DirectionRIGHT-HAND
Head Height0.130 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN
Screw MaterialSTEEL
Internal Drive StyleSLOT
Screw Material Document and ClassificationQQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-409 MIL SPEC SINGLE MATERIAL RESPONSE
Head Diameter0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
Nominal Thread Diameter0.250 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5305-00-988-1725MS35206-281 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
D9576-27-54 Met-Pro Corporation (USA)
MS35225-81 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
D4080-8-41 Stansteel Corp a Sub of Allis-Chalmers Corp (USA)
D4080-8-41 Chief of Engineers Dept of Army (USA)
8BW824 Hobart Bros Co (USA)
Related Parts
5305-00-988-1725INTERCHANGEABLE
SCREW,MACHINE
MS35206-281

Frequently Asked Questions

What is NSN 5305-00-558-3677?

NSN 5305-00-558-3677 is a Screw,machine, manufactured by Met-Pro Corporation, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-558-3677?

NSN 5305-00-558-3677 has 5 cross-referenced part numbers: D9576-27-54 (Met-Pro Corporation), MS35225-81 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), D4080-8-41 (Stansteel Corp a Sub of Allis-Chalmers Corp), D4080-8-41 (Chief of Engineers Dept of Army), 8BW824 (Hobart Bros Co).

What NSN replaces 5305-00-558-3677?

There is 1 known substitute for 5305-00-558-3677: 5305-00-988-1725. Verify interchangeability with system specifications before substitution.

What are the specifications of D9576-27-54?

Key specifications for D9576-27-54: Screw Surface Treatment: CADMIUM AND CHROMATE OR ZINC AND CHROMATE; Nondefinitive Spec/std Data: I TYPE AND 9S STYLE; Thread Length: 0.750 INCHES NOMINAL IN; Fastener Length: 0.750 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-558-3677 still in active supply?

NSN 5305-00-558-3677 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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