PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

632393-228Screw,machine

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 5305-00-579-0969 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-579-0969 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-579-0969. Primary manufacturer part number: 632393-228.
Features
  • Screw,machine — FSC 5305
  • Minimum Tensile Strength: 80000 POUNDS PER SQUARE INCH LBS
  • Screw Material: STEEL CORROSION RESISTING
  • Screw Material Document and Classification: QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR FED STD 66 COMP 300 SERIES FED STD 2ND MATERIAL RESPONSE OR 16-18 OR 18-8 CHROMIUM- NICKEL-ALLOY ASSN STD 3RD MATERIAL RESPONSE
  • Thread Length: 0.625 INCHES MINIMUM IN
  • Head Style: PAN NO. 2
  • Nondefinitive Spec/std Data: 1 TYPE AND 9S STYLE
  • Screw Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-579-0969, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-579-0969
Primary Part Number632393-228
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusCANCELLED
Minimum Tensile Strength80000 POUNDS PER SQUARE INCH LBS
Screw MaterialSTEEL CORROSION RESISTING
Screw Material Document and ClassificationQQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR FED STD 66 COMP 300 SERIES FED STD 2ND MATERIAL RESPONSE OR 16-18 OR 18-8 CHROMIUM- NICKEL-ALLOY ASSN STD 3RD MATERIAL RESPONSE
Thread Length0.625 INCHES MINIMUM IN
Head StylePAN NO. 2
Nondefinitive Spec/std Data1 TYPE AND 9S STYLE
Screw Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Fastener Length0.625 INCHES NOMINAL IN
Head Diameter0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Nominal Thread Diameter0.138 INCHES IN
Internal Drive StyleSLOT
Head Height0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
Screw Surface TreatmentPASSIVATE
Thread DirectionRIGHT-HAND
Thread Class2A A
Thread Quantity Per Inch32
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5330-00-551-22367350545 INTERCHANGEABLE
Retainer,packing
U S Army Tank Automotive Command Amsta-Im-Mm
2590-00-693-39196726 INTERCHANGEABLE
Parts Kit,headlamp Connector
Prestolite Electric Inc
Cross-Reference Index
Part NumberManufacturer
632393-228 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
70A3800620-480 General Dynamics Mission Systems, Inc. (USA)
FFS92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
853781 Us Army Aviation and Missile Command (USA)
Related Parts
5330-00-551-2236INTERCHANGEABLE
RETAINER,PACKING
7350545
2590-00-693-3919INTERCHANGEABLE
PARTS KIT,HEADLAMP CONNECTOR
6726

Frequently Asked Questions

What is NSN 5305-00-579-0969?

NSN 5305-00-579-0969 is a Screw,machine, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-579-0969?

NSN 5305-00-579-0969 has 4 cross-referenced part numbers: 632393-228 (Lockheed Martin Corporation Div Rms - Mitchel Field), 70A3800620-480 (General Dynamics Mission Systems, Inc.), FFS92 (Federal Specifications Promulgated by General Services Administration Washington DC), 853781 (Us Army Aviation and Missile Command).

What NSN replaces 5305-00-579-0969?

There are 2 known substitutes for 5305-00-579-0969: 5330-00-551-2236, 2590-00-693-3919. Verify interchangeability with system specifications before substitution.

What are the specifications of 632393-228?

Key specifications for 632393-228: Minimum Tensile Strength: 80000 POUNDS PER SQUARE INCH LBS; Screw Material: STEEL CORROSION RESISTING; Screw Material Document and Classification: QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR FED STD 66 COMP 300 SERIES FED STD 2ND MATERIAL RESPONSE OR 16-18 OR 18-8 CHROMIUM- NICKEL-ALLOY ASSN STD 3RD MATERIAL RESPONSE; Thread Length: 0.625 INCHES MINIMUM IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-579-0969 still in active supply?

NSN 5305-00-579-0969 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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