PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-7812Adapter,straight,pipe to Tube

Mueller Brass Co. · NSN 4730-00-275-6527 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-275-6527 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-275-6527. Primary manufacturer part number: A-7812.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Connection Style: PLAIN (PIPE) SECOND END
  • Nominal Thread Size: 0.125 INCHES SECOND END IN
  • Material: COPPER OVERALL
  • Tubing Wall Nominal Thickness for Which Designed: 0.032 INCHES FIRST END IN
  • Connection Type: UNTHREADED INTERNAL TUBE FIRST END
  • Connection Type: THREADED INTERNAL PIPE SECOND END
  • Thread Series Designator: NPT SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-275-6527, 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 Mueller Brass Co.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-275-6527
Primary Part NumberA-7812
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMueller Brass Co.
StatusCANCELLED
Connection StylePLAIN (PIPE) SECOND END
Nominal Thread Size0.125 INCHES SECOND END IN
MaterialCOPPER OVERALL
Tubing Wall Nominal Thickness for Which Designed0.032 INCHES FIRST END IN
Connection TypeUNTHREADED INTERNAL TUBE FIRST END
Connection TypeTHREADED INTERNAL PIPE SECOND END
Thread Series DesignatorNPT SECOND END
Nominal Outside Diameter Tube Accommodated0.500 INCHES FIRST END IN
Nominal Pipe Size Accommodated0.125 INCHES SECOND END IN
Connection StyleSOCKET (TUBE) FIRST END
Nominal Overall Length0.531 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
3455-00-232-9046 INTERCHANGEABLE
Cutter,milling,side
5999-00-329-5331A781-2 INTERCHANGEABLE
Clip,electrical
I T I Electronics, Inc.
3020-00-832-5530SM-D-414554 INTERCHANGEABLE
Gear Cluster
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
WC417A7812 Mueller Brass Co. (USA)
D4524-5336-1 Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA)
A-7812 PRIMARY Mueller Brass Co. (USA)
BUS50 Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA)
Related Parts
3455-00-232-9046INTERCHANGEABLE
CUTTER,MILLING,SIDE
5999-00-329-5331INTERCHANGEABLE
CLIP,ELECTRICAL
A781-2
3020-00-832-5530INTERCHANGEABLE
GEAR CLUSTER
SM-D-414554

Frequently Asked Questions

What is NSN 4730-00-275-6527?

NSN 4730-00-275-6527 is a Adapter,straight,pipe to Tube, manufactured by Mueller Brass Co., classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-275-6527?

NSN 4730-00-275-6527 has 4 cross-referenced part numbers: WC417A7812 (Mueller Brass Co.), D4524-5336-1 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters), A-7812 (Mueller Brass Co.), BUS50 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters).

What NSN replaces 4730-00-275-6527?

There are 3 known substitutes for 4730-00-275-6527: 3455-00-232-9046, 5999-00-329-5331, 3020-00-832-5530. Verify interchangeability with system specifications before substitution.

What are the specifications of A-7812?

Key specifications for A-7812: Connection Style: PLAIN (PIPE) SECOND END; Nominal Thread Size: 0.125 INCHES SECOND END IN; Material: COPPER OVERALL; Tubing Wall Nominal Thickness for Which Designed: 0.032 INCHES FIRST END IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-275-6527 still in active supply?

NSN 4730-00-275-6527 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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