PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30121Nut,tube Coupling

Sabre Engines Ltd · NSN 4730-01-121-5298 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-121-5298 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-121-5298. Primary manufacturer part number: 30121.
Features
  • Nut,tube Coupling — FSC 4730
  • 3 verified cross-references
  • Primary manufacturer: Sabre Engines Ltd
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Fluid conveyance
  • Hydraulic system plumbing
General Description

The Nut,tube Coupling, cataloged under National Stock Number 4730-01-121-5298, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Sabre Engines Ltd. This item has 3 commercial cross-references from 3 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 NameNut,tube Coupling
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersGrove R B Inc (CAGE 0GEN7); Classic Restoration and Sales (CAGE 0HPN5); Sabre Engines Ltd (CAGE U2340)
Technical Specifications
ParameterValue
NSN4730-01-121-5298
Primary Part Number30121
Item NameNut,tube Coupling
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSabre Engines Ltd
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-823-0573 INTERCHANGEABLE
Boot,dust and Moisture Seal
3040-01-004-43523512-1-G INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
5920-01-041-9168 INTERCHANGEABLE
Fuse,cartridge
4920-01-065-951630-12-1 INTERCHANGEABLE
Manifold,pressure Supply,hydraul
Celtech Corporation Div Use CAGE 65552 for All Orders
3110-01-106-1028 INTERCHANGEABLE
Cone,roller
5133-01-116-6045 INTERCHANGEABLE
Drill,twist
5998-01-120-7692 INTERCHANGEABLE
Circuit Card Assembly
5365-01-154-66933012-1 INTERCHANGEABLE
Spacer,sleeve
Leidos, Inc. Div Cyber and Information Solutions Services
5998-01-264-8297301-21 INTERCHANGEABLE
Printed Circuit Board
X-Rite Global, Incorporated Div X-Rite Incorporated
4820-01-294-881430121 PIECE 3 8IN INTERCHANGEABLE
Disk,valve
Crane Co Div Valve Div
Cross-Reference Index
Part NumberManufacturer
30121 Grove R B Inc (USA)
30121 Classic Restoration and Sales (USA)
30121 PRIMARY Sabre Engines Ltd (GBR)
Related Parts
5930-00-823-0573INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
3040-01-004-4352INTERCHANGEABLE
CONNECTING LINK,RIGID
3512-1-G
5920-01-041-9168INTERCHANGEABLE
FUSE,CARTRIDGE
4920-01-065-9516INTERCHANGEABLE
MANIFOLD,PRESSURE SUPPLY,HYDRAUL
30-12-1
3110-01-106-1028INTERCHANGEABLE
CONE,ROLLER
5133-01-116-6045INTERCHANGEABLE
DRILL,TWIST
5998-01-120-7692INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5365-01-154-6693INTERCHANGEABLE
SPACER,SLEEVE
3012-1
5998-01-264-8297INTERCHANGEABLE
PRINTED CIRCUIT BOARD
301-21
4820-01-294-8814INTERCHANGEABLE
DISK,VALVE
30121 PIECE 3 8IN
5342-01-294-9674INTERCHANGEABLE
HINGE,VALVE DISK
30121 PIECE 5 8IN
6130-01-308-8830INTERCHANGEABLE
POWER SUPPLY
3012-1

Frequently Asked Questions

What is NSN 4730-01-121-5298?

NSN 4730-01-121-5298 is a Nut,tube Coupling, manufactured by Sabre Engines Ltd, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-121-5298?

NSN 4730-01-121-5298 has 3 cross-referenced part numbers: 30121 (Grove R B Inc), 30121 (Classic Restoration and Sales), 30121 (Sabre Engines Ltd).

What NSN replaces 4730-01-121-5298?

There are 12 known substitutes for 4730-01-121-5298: 5930-00-823-0573, 3040-01-004-4352, 5920-01-041-9168 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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