PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121022Adapter,straight,hose to Boss

Mcdonnell Douglas Corp Mcdonnell Douglas Aerospace Opns West · NSN 4730-00-041-1579 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-041-1579 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-041-1579. Primary manufacturer part number: 121022.
Features
  • Adapter,straight,hose to Boss — FSC 4730
  • Surface Treatment: ANODIZE INSIDE
  • Thread Series Designator: UNF SECOND END
  • Material: ALUMINUM ALLOY OVERALL
  • Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
  • Nominal Thread Size: 0.438 INCHES SECOND END IN
  • Nominal Inside Diameter Hose Accommodated: 0.250 INCHES FIRST END IN
  • Nominal Overall Length: 0.938 INCHES IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Adapter,straight,hose to Boss, cataloged under National Stock Number 4730-00-041-1579, 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 Mcdonnell Douglas Corp Mcdonnell Douglas Aerospace Opns West. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-041-1579
Primary Part Number121022
Item NameAdapter,straight,hose to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMcdonnell Douglas Corp Mcdonnell Douglas Aerospace Opns West
StatusACTIVE
Surface TreatmentANODIZE INSIDE
Thread Series DesignatorUNF SECOND END
MaterialALUMINUM ALLOY OVERALL
Connection StyleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
Nominal Thread Size0.438 INCHES SECOND END IN
Nominal Inside Diameter Hose Accommodated0.250 INCHES FIRST END IN
Nominal Overall Length0.938 INCHES IN
Thread Class3A SECOND END A
Connection StyleBEADED (HOSE) FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5915-00-044-4218 INTERCHANGEABLE
Filter,band Pass
5331-00-252-8839121022 INTERCHANGEABLE
O-Ring
Donaldson Company, Inc.
5136-00-729-5693 INTERCHANGEABLE
Tap,thread Cutting
3020-01-296-1475121022 INTERCHANGEABLE
Pulley
Reliance Electric Company Dba Reliance & Dodge Brands
4010-01-483-6382121022 INTERCHANGEABLE
Wire Rope Assembly,single Leg
Cadillac Gage Textron Inc.
3940-01-500-1241121022 INTERCHANGEABLE
Block,tackle
The Crosby Group Llc Dba the Crosby Group
8145-01-532-225612-1022 INTERCHANGEABLE
Soft Case,night Hunterii
Xenonics, Inc.
Cross-Reference Index
Part NumberManufacturer
121022 Mcdonnell Douglas Corp Mcdonnell Douglas Aerospace Opns West (USA)
121022 The Boeing Company Div Defense (USA)
V121022-2 Apollo Audio-Visual (USA)
Related Parts
5915-00-044-4218INTERCHANGEABLE
FILTER,BAND PASS
5331-00-252-8839INTERCHANGEABLE
O-RING
121022
5136-00-729-5693INTERCHANGEABLE
TAP,THREAD CUTTING
3020-01-296-1475INTERCHANGEABLE
PULLEY
121022
4010-01-483-6382INTERCHANGEABLE
WIRE ROPE ASSEMBLY,SINGLE LEG
121022
3940-01-500-1241INTERCHANGEABLE
BLOCK,TACKLE
121022
8145-01-532-2256INTERCHANGEABLE
SOFT CASE,NIGHT HUNTERII
12-1022

Frequently Asked Questions

What is NSN 4730-00-041-1579?

NSN 4730-00-041-1579 is a Adapter,straight,hose to Boss, manufactured by Mcdonnell Douglas Corp Mcdonnell Douglas Aerospace Opns West, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-041-1579?

NSN 4730-00-041-1579 has 3 cross-referenced part numbers: 121022 (Mcdonnell Douglas Corp Mcdonnell Douglas Aerospace Opns West), 121022 (The Boeing Company Div Defense), V121022-2 (Apollo Audio-Visual).

What NSN replaces 4730-00-041-1579?

There are 7 known substitutes for 4730-00-041-1579: 5915-00-044-4218, 5331-00-252-8839, 5136-00-729-5693 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 121022?

Key specifications for 121022: Surface Treatment: ANODIZE INSIDE; Thread Series Designator: UNF SECOND END; Material: ALUMINUM ALLOY OVERALL; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END. 9 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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