PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28821Insert,tube Fitting

Generac Mobile Products, Llc · NSN 4730-01-649-3277 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-649-3277 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-649-3277. Primary manufacturer part number: 28821.
Features
  • Insert,tube Fitting — FSC 4730
  • Material: STEEL CORROSION RESISTING
  • 2 verified cross-references
  • Primary manufacturer: Generac Mobile Products, Llc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Insert,tube Fitting, cataloged under National Stock Number 4730-01-649-3277, 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 Generac Mobile Products, Llc. Government technical data includes 1 verified specification, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-649-3277
Primary Part Number28821
Item NameInsert,tube Fitting
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerGenerac Mobile Products, Llc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-897-2042 INTERCHANGEABLE
Nut,tube Coupling
6625-01-120-8799 INTERCHANGEABLE
Test Set Subassembly,electrical
Cross-Reference Index
Part NumberManufacturer
5 BTX-SS Nott Company (USA)
28821 PRIMARY Generac Mobile Products, Llc (USA)
Related Parts
4730-00-897-2042INTERCHANGEABLE
NUT,TUBE COUPLING
6625-01-120-8799INTERCHANGEABLE
TEST SET SUBASSEMBLY,ELECTRICAL

Frequently Asked Questions

What is NSN 4730-01-649-3277?

NSN 4730-01-649-3277 is a Insert,tube Fitting, manufactured by Generac Mobile Products, Llc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-649-3277?

NSN 4730-01-649-3277 has 2 cross-referenced part numbers: 5 BTX-SS (Nott Company), 28821 (Generac Mobile Products, Llc).

What NSN replaces 4730-01-649-3277?

There are 2 known substitutes for 4730-01-649-3277: 4730-00-897-2042, 6625-01-120-8799. Verify interchangeability with system specifications before substitution.

What are the specifications of 28821?

Key specifications for 28821: Part Name Assigned by Controlling Agency: FITTING, CAP NUT .500-20 JIC SS; Material: STEEL CORROSION RESISTING; End Item Identification: 6115-01-591-1161. 3 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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