PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1126-1Nut,union

R & D Machine Rafael Anaya Div Defense Logistics Agency · NSN 4730-01-312-5926 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-312-5926 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-312-5926. Primary manufacturer part number: 1126-1.
Features
  • Nut,union — FSC 4730
  • 3 verified cross-references
  • Primary manufacturer: R & D Machine Rafael Anaya Div Defense Logistics Agency
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,union, cataloged under National Stock Number 4730-01-312-5926, 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 R & D Machine Rafael Anaya Div Defense Logistics Agency. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameNut,union
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersR & D Machine Rafael Anaya Div Defense Logistics Agency (CAGE 8W880)
Technical Specifications
ParameterValue
NSN4730-01-312-5926
Primary Part Number1126-1
Item NameNut,union
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerR & D Machine Rafael Anaya Div Defense Logistics Agency
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5331-00-291-3275 INTERCHANGEABLE
O-Ring
4820-00-385-9429HC155KANDHC162KX5 INTERCHANGEABLE
Valve Assembly
Siemens Energy, Inc.
5905-00-409-1642 INTERCHANGEABLE
Resistor Assembly
6625-00-594-0569MMI8248 INTERCHANGEABLE
Meter,audio Level
Custom Metering Company Inc
2520-00-734-907611832 INTERCHANGEABLE
Disk,clutch,vehicular
Sachs-Boge of America
5305-00-916-668611261 INTERCHANGEABLE
Setscrew
Naval Inventory Control Point Mechanicsburg
5950-00-918-40131126-1 INTERCHANGEABLE
Transformer,power
Drs Signal Solutions, Inc.
5120-00-937-783410951484 INTERCHANGEABLE
Adapter,torque Wrench
U S Army Tank Automotive Command Amsta-Im-Mm
5330-01-145-0732 INTERCHANGEABLE
Gasket
5950-01-176-486811261 INTERCHANGEABLE
Transformer,power
G.s. Blodgett, Llc Div Blodgett
Cross-Reference Index
Part NumberManufacturer
1126-1 PRIMARY R & D Machine Rafael Anaya Div Defense Logistics Agency (USA)
1120 ITEM 8 R & D Machine Rafael Anaya Div Defense Logistics Agency (USA)
1120 R & D Machine Rafael Anaya Div Defense Logistics Agency (USA)
Related Parts
5331-00-291-3275INTERCHANGEABLE
O-RING
4820-00-385-9429INTERCHANGEABLE
VALVE ASSEMBLY
HC155KANDHC162KX5
5905-00-409-1642INTERCHANGEABLE
RESISTOR ASSEMBLY
6625-00-594-0569INTERCHANGEABLE
METER,AUDIO LEVEL
MMI8248
2520-00-734-9076INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
11832
5305-00-916-6686INTERCHANGEABLE
SETSCREW
11261
5950-00-918-4013INTERCHANGEABLE
TRANSFORMER,POWER
1126-1
5120-00-937-7834INTERCHANGEABLE
ADAPTER,TORQUE WRENCH
10951484
5330-01-145-0732INTERCHANGEABLE
GASKET
5950-01-176-4868INTERCHANGEABLE
TRANSFORMER,POWER
11261
5325-01-292-7218INTERCHANGEABLE
RING,RETAINING

Frequently Asked Questions

What is NSN 4730-01-312-5926?

NSN 4730-01-312-5926 is a Nut,union, manufactured by R & D Machine Rafael Anaya Div Defense Logistics Agency, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-312-5926?

NSN 4730-01-312-5926 has 3 cross-referenced part numbers: 1126-1 (R & D Machine Rafael Anaya Div Defense Logistics Agency), 1120 ITEM 8 (R & D Machine Rafael Anaya Div Defense Logistics Agency), 1120 (R & D Machine Rafael Anaya Div Defense Logistics Agency).

What NSN replaces 4730-01-312-5926?

There are 11 known substitutes for 4730-01-312-5926: 5331-00-291-3275, 4820-00-385-9429, 5905-00-409-1642 and 8 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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