PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44435Screw,machine

L3 Technologies, Inc. Div L3 Keo · NSN 5305-01-121-3336 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-121-3336 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-121-3336. Primary manufacturer part number: 44435.
Features
  • Screw,machine — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Head Style: FILLISTER
  • Screw Material: PLASTIC POLYAMIDE NYLON
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Fastener Length: 2.500 INCHES NOMINAL IN
  • Thread Class: 2A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-121-3336, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3 Technologies, Inc. Div L3 Keo. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references 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
NSN5305-01-121-3336
Primary Part Number44435
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div L3 Keo
StatusACTIVE
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head StyleFILLISTER
Screw MaterialPLASTIC POLYAMIDE NYLON
Nominal Thread Diameter0.250 INCHES IN
Fastener Length2.500 INCHES NOMINAL IN
Thread Class2A A
Thread Quantity Per Inch20
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-01-015-3868 INTERCHANGEABLE
Transformer,pulse
5120-01-398-787100944435000 INTERCHANGEABLE
Socket,socket Wrench
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
7520-01-445-72237520-01-445-7223 INTERCHANGEABLE
Pen,ball-Point
National Industries for the Blind
Cross-Reference Index
Part NumberManufacturer
44435 PRIMARY L3 Technologies, Inc. Div L3 Keo (USA)
A044435 L3 Technologies, Inc. Div L3 Keo (USA)
882A044435 L3 Technologies, Inc. Div L3 Keo (USA)
Related Parts
5950-01-015-3868INTERCHANGEABLE
TRANSFORMER,PULSE
5120-01-398-7871INTERCHANGEABLE
SOCKET,SOCKET WRENCH
00944435000
7520-01-445-7223INTERCHANGEABLE
PEN,BALL-POINT
7520-01-445-7223

Frequently Asked Questions

What is NSN 5305-01-121-3336?

NSN 5305-01-121-3336 is a Screw,machine, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-121-3336?

NSN 5305-01-121-3336 has 3 cross-referenced part numbers: 44435 (L3 Technologies, Inc. Div L3 Keo), A044435 (L3 Technologies, Inc. Div L3 Keo), 882A044435 (L3 Technologies, Inc. Div L3 Keo).

What NSN replaces 5305-01-121-3336?

There are 3 known substitutes for 5305-01-121-3336: 5950-01-015-3868, 5120-01-398-7871, 7520-01-445-7223. Verify interchangeability with system specifications before substitution.

What are the specifications of 44435?

Key specifications for 44435: Thread Direction: RIGHT-HAND; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Head Style: FILLISTER; Screw Material: PLASTIC POLYAMIDE NYLON. 8 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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