PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

442-45Screw,cap,socket Head

Triumph Engine Control Systems Llc · NSN 5305-00-975-1672 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-975-1672 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-975-1672. Primary manufacturer part number: 442-45.
Features
  • Screw,cap,socket Head — FSC 5305
  • Width Across Flats: 0.156 INCHES NOMINAL IN
  • Head Style: FLAT CHAMFER
  • Thread Class: 3A A
  • Thread Length: 0.750 INCHES MINIMUM IN
  • Surface Treatment: PASSIVATE OVERALL
  • Hole Quantity: 4
  • Hole Diameter: 0.047 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 302 or Steel Comp 303 or Steel Comp 304 Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-975-1672, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 19 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-975-1672
Primary Part Number442-45
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusACTIVE
Width Across Flats0.156 INCHES NOMINAL IN
Head StyleFLAT CHAMFER
Thread Class3A A
Thread Length0.750 INCHES MINIMUM IN
Surface TreatmentPASSIVATE OVERALL
Hole Quantity4
Hole Diameter0.047 INCHES NOMINAL IN
Minimum Tensile Strength75000 POUNDS PER SQUARE INCH LBS
Head Diameter0.203 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
MaterialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL
Nominal Thread Diameter0.190 INCHES IN
Internal Drive StyleHEXAGON
Thread DirectionRIGHT-HAND
Head Height0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
Hole TypeDRILLED
Fastener Length0.750 INCHES NOMINAL IN
Thread Quantity Per Inch24
Hole Configuration StyleROUND LONGITUDINAL HOLE
Thread Series DesignatorUNJC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4820-00-142-2962 INTERCHANGEABLE
Disk,valve
5905-00-594-7045 INTERCHANGEABLE
Resistor,variable
6685-00-659-6925049889 INTERCHANGEABLE
Transmitter,temperature,electric
Mitsubishi Caterpillar Forklift America, Inc
5950-01-034-8140 INTERCHANGEABLE
Coil,radio Frequency
6620-01-127-872952320-037 INTERCHANGEABLE
Transmitter,engine Temperature
Teleflex Inc Electrical Systems Div
5120-01-398-927300944245000 INTERCHANGEABLE
Socket,socket Wrench
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
Cross-Reference Index
Part NumberManufacturer
442-45 PRIMARY Triumph Engine Control Systems Llc (USA)
Related Parts
4820-00-142-2962INTERCHANGEABLE
DISK,VALVE
5905-00-594-7045INTERCHANGEABLE
RESISTOR,VARIABLE
6685-00-659-6925INTERCHANGEABLE
TRANSMITTER,TEMPERATURE,ELECTRIC
049889
5950-01-034-8140INTERCHANGEABLE
COIL,RADIO FREQUENCY
6620-01-127-8729INTERCHANGEABLE
TRANSMITTER,ENGINE TEMPERATURE
52320-037
5120-01-398-9273INTERCHANGEABLE
SOCKET,SOCKET WRENCH
00944245000

Frequently Asked Questions

What is NSN 5305-00-975-1672?

NSN 5305-00-975-1672 is a Screw,cap,socket Head, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-975-1672?

NSN 5305-00-975-1672 has 1 cross-referenced part number: 442-45 (Triumph Engine Control Systems Llc).

What NSN replaces 5305-00-975-1672?

There are 6 known substitutes for 5305-00-975-1672: 4820-00-142-2962, 5905-00-594-7045, 6685-00-659-6925 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 442-45?

Key specifications for 442-45: Width Across Flats: 0.156 INCHES NOMINAL IN; Head Style: FLAT CHAMFER; Thread Class: 3A A; Thread Length: 0.750 INCHES MINIMUM IN. 19 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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