PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

110-145-1Nipple,tube

Bell Textron Inc · NSN 4730-00-306-7431 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-306-7431 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-306-7431. Primary manufacturer part number: 110-145-1.
Features
  • Nipple,tube — FSC 4730
  • Nominal Overall Length: 3.125 INCHES IN
  • Leg Length: 2.218 INCHES NOMINAL FIRST END IN
  • Thread Class: 3A ALL ENDS A
  • Surface Treatment Document and Classification: MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE
  • Seat Angle: 37.000 DEGREES ALL ENDS
  • Surface Treatment: ANODIZE OUTSIDE
  • Connection Style: FLARED (TUBE) ALL ENDS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Nipple,tube, cataloged under National Stock Number 4730-00-306-7431, 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 Bell Textron Inc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-306-7431
Primary Part Number110-145-1
Item NameNipple,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerBell Textron Inc
StatusCANCELLED
Nominal Overall Length3.125 INCHES IN
Leg Length2.218 INCHES NOMINAL FIRST END IN
Thread Class3A ALL ENDS A
Surface Treatment Document and ClassificationMIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE
Seat Angle37.000 DEGREES ALL ENDS
Surface TreatmentANODIZE OUTSIDE
Connection StyleFLARED (TUBE) ALL ENDS
Thread Series DesignatorUNF ALL ENDS
Surface TreatmentANODIZE INSIDE
Nominal Outside Diameter Tube Accommodated0.375 INCHES ALL ENDS IN
Nominal Thread Size0.562 INCHES ALL ENDS IN
Style DesignatorFLARED W/ BULKHEAD THREAD
Leg Length0.556 INCHES NOMINAL SECOND END IN
Material Document and ClassificationQQ-A-225/6 OR T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Connection TypeTHREADED EXTERNAL TUBE ALL ENDS
Surface Treatment Document and ClassificationMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
MaterialALUMINUM ALLOY 2024 OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5910-00-482-8705 INTERCHANGEABLE
Capacitor,fixed,electrolytic
5120-00-640-6357 INTERCHANGEABLE
Pliers,retaining Ring
5330-00-913-769934-516 INTERCHANGEABLE
Gasket
Aqua-Chem, Inc. Dba Aqua-Chem Inc
8140-00-913-8707 INTERCHANGEABLE
Pad,cushioning
3460-01-280-41575P0279 INTERCHANGEABLE
Collet,half,hose Tool
Caterpillar Inc Div Caterpillar Defense
4820-01-334-9246110145-001 INTERCHANGEABLE
Seat,valve
Real-Time Laboratories, Llc
4730-01-386-3314ST7M286-4D INTERCHANGEABLE
Nipple,tube
The Boeing Company Div Defense
5365-01-424-5224110145 INTERCHANGEABLE
Spacer,ring
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
6515-01-502-767934516 INTERCHANGEABLE
Balloon Catheter,vascular-Nonvas
Rochester Medical Corporation
4030-01-663-107834516 INTERCHANGEABLE
Swivel and Link Assembly
Mjt Holdings Llc
Cross-Reference Index
Part NumberManufacturer
AFP2372D06 Aerofit, Llc (USA)
3451-6 Hawker Pacific Aerospace Landing Gear and Components Mfg and Repair (USA)
AP2690-06 Sps Technologies, Llc Dba Airdrome Precision Components (USA)
110-145-1 PRIMARY Bell Textron Inc (USA)
D9772-6 Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA)
110-145-1 Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco (USA)
ST7M286-6D Nelson Aero Space, Inc. (USA)
ST7M286 The Boeing Company Div Defense (USA)
05040606 Nelson Aero Space, Inc. (USA)
AFT806-6 Aerofit, Llc (USA)
3469-8-1 Hawker Pacific Aerospace Landing Gear and Components Mfg and Repair (USA)
110-145 Schlumberger Technology Corporation Dba E M R Photoelectric Div (USA)
ST7M286-6D The Boeing Company Div Defense (USA)
Related Parts
5910-00-482-8705INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
5120-00-640-6357INTERCHANGEABLE
PLIERS,RETAINING RING
5330-00-913-7699INTERCHANGEABLE
GASKET
34-516
8140-00-913-8707INTERCHANGEABLE
PAD,CUSHIONING
3460-01-280-4157INTERCHANGEABLE
COLLET,HALF,HOSE TOOL
5P0279
4820-01-334-9246INTERCHANGEABLE
SEAT,VALVE
110145-001
4730-01-386-3314INTERCHANGEABLE
NIPPLE,TUBE
ST7M286-4D
5365-01-424-5224INTERCHANGEABLE
SPACER,RING
110145
6515-01-502-7679INTERCHANGEABLE
BALLOON CATHETER,VASCULAR-NONVAS
34516
4030-01-663-1078INTERCHANGEABLE
SWIVEL AND LINK ASSEMBLY
34516

Frequently Asked Questions

What is NSN 4730-00-306-7431?

NSN 4730-00-306-7431 is a Nipple,tube, manufactured by Bell Textron Inc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-306-7431?

NSN 4730-00-306-7431 has 13 cross-referenced part numbers: AFP2372D06 (Aerofit, Llc), 3451-6 (Hawker Pacific Aerospace Landing Gear and Components Mfg and Repair), AP2690-06 (Sps Technologies, Llc Dba Airdrome Precision Components), 110-145-1 (Bell Textron Inc), D9772-6 (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company) and 8 more.

What NSN replaces 4730-00-306-7431?

There are 10 known substitutes for 4730-00-306-7431: 5910-00-482-8705, 5120-00-640-6357, 5330-00-913-7699 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 110-145-1?

Key specifications for 110-145-1: Nominal Overall Length: 3.125 INCHES IN; Leg Length: 2.218 INCHES NOMINAL FIRST END IN; Thread Class: 3A ALL ENDS A; Surface Treatment Document and Classification: MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-306-7431 still in active supply?

NSN 4730-00-306-7431 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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