PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43-369Screw,cap,socket Head

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 5305-00-660-1930 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-660-1930 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-660-1930. Primary manufacturer part number: 43-369.
Features
  • Screw,cap,socket Head — FSC 5305
  • Head Height: 0.057 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.060 INCHES IN
  • Thread Series Designator: UNF
  • Material: COPPER ALLOY 170 OR COPPER ALLOY 172 OVERALL
  • Fastener Length: 0.156 INCHES NOMINAL IN
  • Width Across Flats: 0.050 INCHES MINIMUM AND 0.051 INCHES MAXIMUM IN
  • Head Style: FLAT CHAMFER
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 170 or Copper Alloy 172 Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-660-1930, 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 14 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-660-1930
Primary Part Number43-369
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusACTIVE
Head Height0.057 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
Nominal Thread Diameter0.060 INCHES IN
Thread Series DesignatorUNF
MaterialCOPPER ALLOY 170 OR COPPER ALLOY 172 OVERALL
Fastener Length0.156 INCHES NOMINAL IN
Width Across Flats0.050 INCHES MINIMUM AND 0.051 INCHES MAXIMUM IN
Head StyleFLAT CHAMFER
Thread Length0.156 INCHES MAXIMUM IN
Internal Drive StyleHEXAGON
Head Diameter0.092 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Class3A A
Thread Quantity Per Inch80
Hardness Rating38.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3820-00-429-7596 INTERCHANGEABLE
Retainer
6685-01-336-424143369 INTERCHANGEABLE
Case,barometer
Aerosonic Llc
5360-01-373-103043369 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
43-369 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
3820-00-429-7596INTERCHANGEABLE
RETAINER
6685-01-336-4241INTERCHANGEABLE
CASE,BAROMETER
43369
5360-01-373-1030INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
43369

Frequently Asked Questions

What is NSN 5305-00-660-1930?

NSN 5305-00-660-1930 is a Screw,cap,socket Head, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-660-1930?

NSN 5305-00-660-1930 has 1 cross-referenced part number: 43-369 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 5305-00-660-1930?

There are 3 known substitutes for 5305-00-660-1930: 3820-00-429-7596, 6685-01-336-4241, 5360-01-373-1030. Verify interchangeability with system specifications before substitution.

What are the specifications of 43-369?

Key specifications for 43-369: Head Height: 0.057 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.060 INCHES IN; Thread Series Designator: UNF; Material: COPPER ALLOY 170 OR COPPER ALLOY 172 OVERALL. 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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