PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B4439Screw,cap,socket Head

Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division · NSN 5305-01-283-1121 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-283-1121 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-283-1121. Primary manufacturer part number: B4439.
Features
  • Screw,cap,socket Head — FSC 5305
  • 3 verified cross-references
  • Primary manufacturer: Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-283-1121, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameScrew,cap,socket Head
FSC / FSG5305 — No Item Name Available (FSG 53)
ManufacturersLawrence Technologies Inc (CAGE 0DPV2); Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division (CAGE 09176)
Technical Specifications
ParameterValue
NSN5305-01-283-1121
Primary Part NumberB4439
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5985-00-148-6214 INTERCHANGEABLE
Tuner,transmission Line
2910-00-209-152820214 INTERCHANGEABLE
Weight,governor
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5133-00-228-1401 INTERCHANGEABLE
Drill,twist
5330-00-257-039560324 INTERCHANGEABLE
Seal,plain Encased
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5310-01-013-554520-160 INTERCHANGEABLE
Nut,plain,hexagon
Motorola Automotive Electronics
5977-01-140-6668 INTERCHANGEABLE
Brush Set,electrical Contact
4920-01-297-972720160 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
3120-01-353-2641 INTERCHANGEABLE
Bushing,sleeve
5307-01-371-86602-0-160 INTERCHANGEABLE
Stud,plain
Southco Inc
6530-01-450-920620160 INTERCHANGEABLE
Band,exercise,physical Therapy
Hygenic Corp the
Cross-Reference Index
Part NumberManufacturer
20160 Lawrence Technologies Inc (USA)
B4439 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division (USA)
1810-1290 ITEM 17 (ZINC PLATED) Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division (USA)
Related Parts
5985-00-148-6214INTERCHANGEABLE
TUNER,TRANSMISSION LINE
2910-00-209-1528INTERCHANGEABLE
WEIGHT,GOVERNOR
20214
5133-00-228-1401INTERCHANGEABLE
DRILL,TWIST
5330-00-257-0395INTERCHANGEABLE
SEAL,PLAIN ENCASED
60324
5310-01-013-5545INTERCHANGEABLE
NUT,PLAIN,HEXAGON
20-160
5977-01-140-6668INTERCHANGEABLE
BRUSH SET,ELECTRICAL CONTACT
4920-01-297-9727INTERCHANGEABLE
TEST PROGRAM SET
20160
3120-01-353-2641INTERCHANGEABLE
BUSHING,SLEEVE
5307-01-371-8660INTERCHANGEABLE
STUD,PLAIN
2-0-160
6530-01-450-9206INTERCHANGEABLE
BAND,EXERCISE,PHYSICAL THERAPY
20160
5855-01-632-3478INTERCHANGEABLE
CAP,LENS
20160
8465-01-725-2848INTERCHANGEABLE
CARRIER,PISTOL HOLSTER
20160

Frequently Asked Questions

What is NSN 5305-01-283-1121?

NSN 5305-01-283-1121 is a Screw,cap,socket Head, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-283-1121?

NSN 5305-01-283-1121 has 3 cross-referenced part numbers: 20160 (Lawrence Technologies Inc), B4439 (Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division), 1810-1290 ITEM 17 (ZINC PLATED) (Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division).

What NSN replaces 5305-01-283-1121?

There are 12 known substitutes for 5305-01-283-1121: 5985-00-148-6214, 2910-00-209-1528, 5133-00-228-1401 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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