PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4338Screw,shoulder

Roller Bearing Co of America, Inc Div Pic Design · NSN 5305-01-068-8469 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-068-8469 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-068-8469. Primary manufacturer part number: 4338.
Features
  • Screw,shoulder — FSC 5305
  • Thread Quantity Per Inch: 20
  • Material: STEEL COMP 303 OVERALL
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Internal Drive Style: SLOT
  • Shoulder Diameter: 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM FIRST SHOULDER IN
  • Fastener Length: 0.751 INCHES MINIMUM AND 0.753 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Screw,shoulder, cataloged under National Stock Number 5305-01-068-8469, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN5305-01-068-8469
Primary Part Number4338
Item NameScrew,shoulder
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusACTIVE
Thread Quantity Per Inch20
MaterialSTEEL COMP 303 OVERALL
Nominal Thread Diameter0.250 INCHES IN
Internal Drive StyleSLOT
Shoulder Diameter0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM FIRST SHOULDER IN
Fastener Length0.751 INCHES MINIMUM AND 0.753 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Length0.438 INCHES NOMINAL IN
Head Diameter0.500 INCHES NOMINAL IN
Head Height0.219 INCHES NOMINAL IN
Shoulder ShapeROUND FIRST SHOULDER
Thread Class2A A
Head StyleFLAT CHAMFER
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Shoulder Length0.313 INCHES MINIMUM AND 0.315 INCHES MAXIMUM FIRST SHOULDER IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5365-00-303-336343-3-8 INTERCHANGEABLE
Spacer,screw and Bo
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4720-00-393-3909 INTERCHANGEABLE
Hose Assembly,nonmetallic
3030-00-528-4752 INTERCHANGEABLE
Belt,v
3110-00-809-62914338 INTERCHANGEABLE
Bearing,ball,annular
New Hampshire Ball Bearings Inc Div Hitech Division
4730-01-109-06468FTXB INTERCHANGEABLE
Adapter,straight,pipe to Tube
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
5310-01-394-44754338 INTERCHANGEABLE
Washer,lock
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
Cross-Reference Index
Part NumberManufacturer
1801594-29 Northrop Grumman Systems Corporation (USA)
4338 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
10114947 Nimikkeistokeskus Ncb Finland (FIN)
Related Parts
5365-00-303-3363INTERCHANGEABLE
SPACER,SCREW AND BO
43-3-8
4720-00-393-3909INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
3030-00-528-4752INTERCHANGEABLE
BELT,V
3110-00-809-6291INTERCHANGEABLE
BEARING,BALL,ANNULAR
4338
4730-01-109-0646INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
8FTXB
5310-01-394-4475INTERCHANGEABLE
WASHER,LOCK
4338

Frequently Asked Questions

What is NSN 5305-01-068-8469?

NSN 5305-01-068-8469 is a Screw,shoulder, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-068-8469?

NSN 5305-01-068-8469 has 3 cross-referenced part numbers: 1801594-29 (Northrop Grumman Systems Corporation), 4338 (Roller Bearing Co of America, Inc Div Pic Design), 10114947 (Nimikkeistokeskus Ncb Finland).

What NSN replaces 5305-01-068-8469?

There are 6 known substitutes for 5305-01-068-8469: 5365-00-303-3363, 4720-00-393-3909, 3030-00-528-4752 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4338?

Key specifications for 4338: Thread Quantity Per Inch: 20; Material: STEEL COMP 303 OVERALL; Nominal Thread Diameter: 0.250 INCHES IN; Internal Drive Style: SLOT. 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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