PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21224Inserter,screw Thread Insert

Time Fastener Co Inc · NSN 5120-01-443-3123 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-443-3123 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-443-3123. Primary manufacturer part number: 21224.
Features
  • Inserter,screw Thread Insert — FSC 5120
  • Thread Size and Series/type Designator: 1/2-20 UNF
  • Unit Type: STRAIGHT
  • 2 verified cross-references
  • Primary manufacturer: Time Fastener Co Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Inserter,screw Thread Insert, cataloged under National Stock Number 5120-01-443-3123, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Time Fastener Co Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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.

Technical Specifications
ParameterValue
NSN5120-01-443-3123
Primary Part Number21224
Item NameInserter,screw Thread Insert
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerTime Fastener Co Inc
StatusACTIVE
Thread Size and Series/type Designator1/2-20 UNF
Unit TypeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2805-00-214-137221224 INTERCHANGEABLE
Ring,piston
Briggs and Stratton Corp
1730-00-268-291421224 INTERCHANGEABLE
Rig,caster Assembly
Aerol Llc
5365-00-367-1808219 INTERCHANGEABLE
Shim
Industrial Technologies and Services Llc
5910-00-761-4530 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
5905-00-863-56418437014 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
6685-01-019-829321224 INTERCHANGEABLE
Thermostat,air Cond
Noske-Kaeser Germany Gmbh
4720-01-075-5070 INTERCHANGEABLE
Hose,nonmetallic
1680-01-100-496321224 INTERCHANGEABLE
Stiffener Bar
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5330-01-166-233721224 INTERCHANGEABLE
Packing,preformed
Kidde Technologies, Inc Div Kidde Aerospace and Defense
5130-01-355-1888 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
0661-912-4 Wurth Uk Ltd (GBR)
21224 PRIMARY Time Fastener Co Inc (USA)
Related Parts
2805-00-214-1372INTERCHANGEABLE
RING,PISTON
21224
1730-00-268-2914INTERCHANGEABLE
RIG,CASTER ASSEMBLY
21224
5365-00-367-1808INTERCHANGEABLE
SHIM
219
5910-00-761-4530INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
5905-00-863-5641INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
8437014
6685-01-019-8293INTERCHANGEABLE
THERMOSTAT,AIR COND
21224
4720-01-075-5070INTERCHANGEABLE
HOSE,NONMETALLIC
1680-01-100-4963INTERCHANGEABLE
STIFFENER BAR
21224
5330-01-166-2337INTERCHANGEABLE
PACKING,PREFORMED
21224
5130-01-355-1888INTERCHANGEABLE
SOCKET,SOCKET WRENCH
1095-01-571-2712INTERCHANGEABLE
HOLSTER,PISTOL
21224
5963-01-685-9268INTERCHANGEABLE
ELECTRONIC MODULE,STANDARDIZED
76-18914

Frequently Asked Questions

What is NSN 5120-01-443-3123?

NSN 5120-01-443-3123 is a Inserter,screw Thread Insert, manufactured by Time Fastener Co Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-443-3123?

NSN 5120-01-443-3123 has 2 cross-referenced part numbers: 0661-912-4 (Wurth Uk Ltd), 21224 (Time Fastener Co Inc).

What NSN replaces 5120-01-443-3123?

There are 12 known substitutes for 5120-01-443-3123: 2805-00-214-1372, 1730-00-268-2914, 5365-00-367-1808 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21224?

Key specifications for 21224: Thread Size and Series/type Designator: 1/2-20 UNF; Unit Type: STRAIGHT. 2 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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