PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45120Bellows,exhaust

Sabre Engines Ltd · NSN 2990-01-123-0391 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-123-0391 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-123-0391. Primary manufacturer part number: 45120.
Features
  • Bellows,exhaust — FSC 2990
  • General Characteristics Item Description: MATL 4 PLY POLYESTER REINFORCED SILICONE RUBBER,UTILIZED ON BRIDGE,ERECTION BOAT
  • 6 verified cross-references
  • Primary manufacturer: Sabre Engines Ltd
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Bellows,exhaust, cataloged under National Stock Number 2990-01-123-0391, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Sabre Engines Ltd. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 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
NSN2990-01-123-0391
Primary Part Number45120
Item NameBellows,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerSabre Engines Ltd
StatusACTIVE
General Characteristics Item DescriptionMATL 4 PLY POLYESTER REINFORCED SILICONE RUBBER,UTILIZED ON BRIDGE,ERECTION BOAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3455-00-232-903758-10127 INTERCHANGEABLE
Cutter,milling,side
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5120-00-237-4973 INTERCHANGEABLE
Socket,socket Wrench
5110-00-246-0975PD5110-00-246-0975 INTERCHANGEABLE
Stripper,wire,hand
General Services Administration Federal Supply Service
5210-00-273-19485210-00-273-1948 INTERCHANGEABLE
Square,carpenter's
General Services Administration Federal Supply Service
4730-00-430-3165 INTERCHANGEABLE
Bushing,pipe
5998-00-488-5305SMD2015847 INTERCHANGEABLE
Circuit Card Assembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3040-00-538-325345119 INTERCHANGEABLE
Shaft,shouldered
Stothert & Pitt
5963-00-789-812045119 INTERCHANGEABLE
Oscillator,crystal Controlled
L3harris Technologies, Inc. Div Space and Airborne Systems
4820-01-187-681274379K 86184 INTERCHANGEABLE
Valve,globe
Griswold Industries Dba Cla-Val Co
4910-01-230-1169 INTERCHANGEABLE
Arm,calibration
Cross-Reference Index
Part NumberManufacturer
45120 Sabre Engines Ltd (GBR)
13226E0347 Cecom Lr Center (USA)
45120 Classic Restoration and Sales (USA)
45120 Grove R B Inc (USA)
45119 Sabre Engines Ltd (GBR)
45119 Grove R B Inc (USA)
Related Parts
3455-00-232-9037INTERCHANGEABLE
CUTTER,MILLING,SIDE
58-10127
5120-00-237-4973INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5110-00-246-0975INTERCHANGEABLE
STRIPPER,WIRE,HAND
PD5110-00-246-0975
5210-00-273-1948INTERCHANGEABLE
SQUARE,CARPENTER'S
5210-00-273-1948
4730-00-430-3165INTERCHANGEABLE
BUSHING,PIPE
5998-00-488-5305INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
SMD2015847
3040-00-538-3253INTERCHANGEABLE
SHAFT,SHOULDERED
45119
5963-00-789-8120INTERCHANGEABLE
OSCILLATOR,CRYSTAL CONTROLLED
45119
4820-01-187-6812INTERCHANGEABLE
VALVE,GLOBE
74379K 86184
4910-01-230-1169INTERCHANGEABLE
ARM,CALIBRATION
5315-01-231-1203INTERCHANGEABLE
PIN
7920-01-233-7493INTERCHANGEABLE
BRUSH,BOTTLE AND BURET
45120

Frequently Asked Questions

What is NSN 2990-01-123-0391?

NSN 2990-01-123-0391 is a Bellows,exhaust, manufactured by Sabre Engines Ltd, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-123-0391?

NSN 2990-01-123-0391 has 6 cross-referenced part numbers: 45120 (Sabre Engines Ltd), 13226E0347 (Cecom Lr Center), 45120 (Classic Restoration and Sales), 45120 (Grove R B Inc), 45119 (Sabre Engines Ltd) and 1 more.

What NSN replaces 2990-01-123-0391?

There are 12 known substitutes for 2990-01-123-0391: 3455-00-232-9037, 5120-00-237-4973, 5110-00-246-0975 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 45120?

Key specifications for 45120: End Item Identification: 1940011055728,1940012189165; General Characteristics Item Description: MATL 4 PLY POLYESTER REINFORCED SILICONE RUBBER,UTILIZED ON BRIDGE,ERECTION BOAT. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com