PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44150Screw,cap,socket Head

Safety Socket Llc · NSN 5305-01-591-5729 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-591-5729 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-591-5729. Primary manufacturer part number: 44150.
Features
  • Screw,cap,socket Head — FSC 5305
  • Head Style: PAN NO. 2
  • Head Height: 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
  • Fastener Length: 0.675 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Head Diameter: 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 16
  • Width Across Flats: 0.312 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-591-5729, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Safety Socket Llc. Government technical data includes 13 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-591-5729
Primary Part Number44150
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerSafety Socket Llc
StatusACTIVE
Head StylePAN NO. 2
Head Height0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Fastener Length0.675 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Head Diameter0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Thread Quantity Per Inch16
Width Across Flats0.312 INCHES NOMINAL IN
Nominal Thread Diameter0.375 INCHES IN
Thread Class3A A
Thread Length0.675 INCHES NOMINAL IN
Internal Drive StyleHEXAGON
MaterialSTEEL OVERALL
Thread Series DesignatorUNRC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-100-360144150 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5133-00-224-4026 INTERCHANGEABLE
Drill,twist
2640-00-242-7619331 INTERCHANGEABLE
Valve Extension,tire
Dill Air Controls Products Llc Dba Dill Air Controls Products Llc
3610-00-830-021244-1-5-0 INTERCHANGEABLE
Fastener Pawl
Southco Inc
8010-00-988-1458 INTERCHANGEABLE
Enamel
7510-01-207-396122112 INTERCHANGEABLE
Ink,stamp Pad
Shachihata Inc Usa Dba Shachihata
4730-01-360-919944150 INTERCHANGEABLE
Elbow,pipe to Tube
Cleveland Service Center
6515-01-477-610144150 INTERCHANGEABLE
Case,supply,oxygen
Fleming Industries Inc Dba Iron Duck Division Div Iron Duck
8145-01-512-094144150 INTERCHANGEABLE
Cover Modular Stora
Berg Manufacturing, Inc.
6840-01-568-3233 INTERCHANGEABLE
Sanitizer,utility
Cross-Reference Index
Part NumberManufacturer
44150 PRIMARY Safety Socket Llc (USA)
Related Parts
3110-00-100-3601INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
44150
5133-00-224-4026INTERCHANGEABLE
DRILL,TWIST
2640-00-242-7619INTERCHANGEABLE
VALVE EXTENSION,TIRE
331
3610-00-830-0212INTERCHANGEABLE
FASTENER PAWL
44-1-5-0
8010-00-988-1458INTERCHANGEABLE
ENAMEL
7510-01-207-3961INTERCHANGEABLE
INK,STAMP PAD
22112
4730-01-360-9199INTERCHANGEABLE
ELBOW,PIPE TO TUBE
44150
6515-01-477-6101INTERCHANGEABLE
CASE,SUPPLY,OXYGEN
44150
8145-01-512-0941INTERCHANGEABLE
COVER MODULAR STORA
44150
6840-01-568-3233INTERCHANGEABLE
SANITIZER,UTILITY

Frequently Asked Questions

What is NSN 5305-01-591-5729?

NSN 5305-01-591-5729 is a Screw,cap,socket Head, manufactured by Safety Socket Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-591-5729?

NSN 5305-01-591-5729 has 1 cross-referenced part number: 44150 (Safety Socket Llc).

What NSN replaces 5305-01-591-5729?

There are 10 known substitutes for 5305-01-591-5729: 3110-00-100-3601, 5133-00-224-4026, 2640-00-242-7619 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 44150?

Key specifications for 44150: Head Style: PAN NO. 2; Head Height: 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Fastener Length: 0.675 INCHES NOMINAL IN; End Item Identification: STRYKER. 15 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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