PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

811HT5DNipple,tube

Department of the Air Force · NSN 4730-00-278-8460 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-278-8460 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-278-8460. Primary manufacturer part number: 811HT5D.
Features
  • Nipple,tube — FSC 4730
  • Thread Series Designator: UNF ALL ENDS
  • Thread Class: 3A ALL ENDS A
  • Surface Treatment: ANODIZE OUTSIDE
  • Nominal Outside Diameter Tube Accommodated: 0.313 INCHES ALL ENDS IN
  • Nominal Thread Size: 0.500 INCHES ALL ENDS IN
  • Material: ALUMINUM ALLOY OVERALL
  • Style Designator: FLARED W/ CENTER WRENCHING FACILITY
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Nipple,tube, cataloged under National Stock Number 4730-00-278-8460, 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 Department of the Air Force. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-278-8460
Primary Part Number811HT5D
Item NameNipple,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDepartment of the Air Force
StatusACTIVE
Thread Series DesignatorUNF ALL ENDS
Thread Class3A ALL ENDS A
Surface TreatmentANODIZE OUTSIDE
Nominal Outside Diameter Tube Accommodated0.313 INCHES ALL ENDS IN
Nominal Thread Size0.500 INCHES ALL ENDS IN
MaterialALUMINUM ALLOY OVERALL
Style DesignatorFLARED W/ CENTER WRENCHING FACILITY
Nominal Overall Length1.406 INCHES IN
Surface TreatmentANODIZE INSIDE
Connection TypeTHREADED EXTERNAL TUBE ALL ENDS
Leg Length1.562 INCHES NOMINAL ALL ENDS IN
Connection StyleFLARED (TUBE) ALL ENDS
Seat Angle35.0 DEGREES ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-866-1835AS5174D0505 INTERCHANGEABLE
Reducer,boss
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
811HT5D Department of the Air Force (USA)
Related Parts
4730-00-866-1835INTERCHANGEABLE
REDUCER,BOSS
AS5174D0505

Frequently Asked Questions

What is NSN 4730-00-278-8460?

NSN 4730-00-278-8460 is a Nipple,tube, manufactured by Department of the Air Force, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-278-8460?

NSN 4730-00-278-8460 has 1 cross-referenced part number: 811HT5D (Department of the Air Force).

What NSN replaces 4730-00-278-8460?

There is 1 known substitute for 4730-00-278-8460: 4730-00-866-1835. Verify interchangeability with system specifications before substitution.

What are the specifications of 811HT5D?

Key specifications for 811HT5D: Thread Series Designator: UNF ALL ENDS; Thread Class: 3A ALL ENDS A; Surface Treatment: ANODIZE OUTSIDE; Nominal Outside Diameter Tube Accommodated: 0.313 INCHES ALL ENDS IN. 13 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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