PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12121Protector,thread

Elbitamerica, Inc. · NSN 4920-00-974-2278 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-974-2278 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-974-2278. Primary manufacturer part number: 12121.
Features
  • Protector,thread — FSC 4920
  • 1 verified cross-reference
  • Primary manufacturer: Elbitamerica, Inc.
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Protector,thread, cataloged under National Stock Number 4920-00-974-2278, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Elbitamerica, Inc.. This item has 1 commercial cross-reference from 1 manufacturer, 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 NameProtector,thread
FSC / FSG4920 — No Item Name Available (FSG 49)
ManufacturersElbitamerica, Inc. (CAGE 89944)
Technical Specifications
ParameterValue
NSN4920-00-974-2278
Primary Part Number12121
Item NameProtector,thread
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerElbitamerica, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5940-00-058-963912121 INTERCHANGEABLE
Terminal Board
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5330-00-187-2959140-0096 INTERCHANGEABLE
Gasket
Cummins Power Generation Inc.
5133-00-243-9613 INTERCHANGEABLE
Drill,twist
5310-00-488-392012121 INTERCHANGEABLE
Washer,special
Funk Mfg Co Sub of Deere and Co
5915-00-503-47961212-1 INTERCHANGEABLE
Filter,radio Frequency Interfere
Cornell-Dubilier Electronics, Inc.
6515-00-619-821920-1350 INTERCHANGEABLE
Holder,suture Needle
Sklar Corporation Dba Sklar Instruments
4210-00-889-2492 INTERCHANGEABLE
Extinguisher,fire
5340-00-964-0256222015-001 INTERCHANGEABLE
Ferrule,handle
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5950-01-041-653312121 INTERCHANGEABLE
Coil,radio Frequency
L3 Technologies, Inc. Div Communication Systems-West
5910-01-110-0393 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
Cross-Reference Index
Part NumberManufacturer
12121 PRIMARY Elbitamerica, Inc. (USA)
Related Parts
5940-00-058-9639INTERCHANGEABLE
TERMINAL BOARD
12121
5330-00-187-2959INTERCHANGEABLE
GASKET
140-0096
5133-00-243-9613INTERCHANGEABLE
DRILL,TWIST
5310-00-488-3920INTERCHANGEABLE
WASHER,SPECIAL
12121
5915-00-503-4796INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
1212-1
6515-00-619-8219INTERCHANGEABLE
HOLDER,SUTURE NEEDLE
20-1350
4210-00-889-2492INTERCHANGEABLE
EXTINGUISHER,FIRE
5340-00-964-0256INTERCHANGEABLE
FERRULE,HANDLE
222015-001
5950-01-041-6533INTERCHANGEABLE
COIL,RADIO FREQUENCY
12121
5910-01-110-0393INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
6150-01-142-4548INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
12121
6540-01-146-2628INTERCHANGEABLE
OCCLUDER,EYE
208000

Frequently Asked Questions

What is NSN 4920-00-974-2278?

NSN 4920-00-974-2278 is a Protector,thread, manufactured by Elbitamerica, Inc., classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-00-974-2278?

NSN 4920-00-974-2278 has 1 cross-referenced part number: 12121 (Elbitamerica, Inc.).

What NSN replaces 4920-00-974-2278?

There are 12 known substitutes for 4920-00-974-2278: 5940-00-058-9639, 5330-00-187-2959, 5133-00-243-9613 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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