PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

500687Holder,combustor Nozzle

Metadure Parts & Sales, Inc. · NSN 4520-00-346-7333 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-346-7333 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-346-7333. Primary manufacturer part number: 500687.
Features
  • Holder,combustor Nozzle — FSC 4520
  • General Characteristics Item Description: FORGED BRASS; 2 THD MALE PIPE CONNECTIONS 0.750-14 NPT,SPACED APPROX 80 DEG APART; 0.875 IN. LG THD BOTH CONNECTIONS,BOTH ARE THD INTERNAL 0.125-27 NPT; 1 FEMALE CONNECTION 0.250-18 NPT,90 DEG FROM MALE CONNECTIONS; 2 MTG HOLES 0.190-32 UNF THD,LOCATED 180 DEG FROM THD FEMALE CONNECTION,1.125 IN- APART FROM MTG HOLES IN
  • 4 verified cross-references
  • Primary manufacturer: Metadure Parts & Sales, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Holder,combustor Nozzle, cataloged under National Stock Number 4520-00-346-7333, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Metadure Parts & Sales, Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4520-00-346-7333
Primary Part Number500687
Item NameHolder,combustor Nozzle
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerMetadure Parts & Sales, Inc.
StatusCANCELLED
General Characteristics Item DescriptionFORGED BRASS; 2 THD MALE PIPE CONNECTIONS 0.750-14 NPT,SPACED APPROX 80 DEG APART; 0.875 IN. LG THD BOTH CONNECTIONS,BOTH ARE THD INTERNAL 0.125-27 NPT; 1 FEMALE CONNECTION 0.250-18 NPT,90 DEG FROM MALE CONNECTIONS; 2 MTG HOLES 0.190-32 UNF THD,LOCATED 180 DEG FROM THD FEMALE CONNECTION,1.125 IN- APART FROM MTG HOLES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
4730-00-278-2513 INTERCHANGEABLE
Clamp,hose
Cross-Reference Index
Part NumberManufacturer
500687 PRIMARY Metadure Parts & Sales, Inc. (USA)
D5-59-250 Edgewood Chemical Biological Center Ecbc (USA)
T0552D Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA)
T0552D Drs Environmental Systems Inc (USA)
Related Parts
4730-00-278-2513INTERCHANGEABLE
CLAMP,HOSE

Frequently Asked Questions

What is NSN 4520-00-346-7333?

NSN 4520-00-346-7333 is a Holder,combustor Nozzle, manufactured by Metadure Parts & Sales, Inc., classified under FSC 4520 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4520-00-346-7333?

NSN 4520-00-346-7333 has 4 cross-referenced part numbers: 500687 (Metadure Parts & Sales, Inc.), D5-59-250 (Edgewood Chemical Biological Center Ecbc), T0552D (Engineered Air Systems, Inc. Dba Drs Sustainment Systems), T0552D (Drs Environmental Systems Inc).

What NSN replaces 4520-00-346-7333?

There is 1 known substitute for 4520-00-346-7333: 4730-00-278-2513. Verify interchangeability with system specifications before substitution.

What are the specifications of 500687?

Key specifications for 500687: End Item Identification: GRUMMAN,A10 AIRCRAFT; General Characteristics Item Description: FORGED BRASS; 2 THD MALE PIPE CONNECTIONS 0.750-14 NPT,SPACED APPROX 80 DEG APART; 0.875 IN. LG THD BOTH CONNECTIONS,BOTH ARE THD INTERNAL 0.125-27 NPT; 1 FEMALE CONNECTION 0.250-18 NPT,90 DEG FROM MALE CONNECTIONS; 2 MTG HOLES 0.190-32 UNF THD,LOCATED 180 DEG FROM THD FEMALE CONNECTION,1.125 IN- APART FROM MTG HOLES IN. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4520-00-346-7333 still in active supply?

NSN 4520-00-346-7333 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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