PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

57B126-1-16GElbow,pipe

Lockheed Martin Corporation Div Rotary and Mission Systems · NSN 4730-00-253-4414 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-253-4414 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-253-4414. Primary manufacturer part number: 57B126-1-16G.
Features
  • Elbow,pipe — FSC 4730
  • 24 verified cross-references
  • Primary manufacturer: Lockheed Martin Corporation Div Rotary and Mission Systems
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Elbow,pipe, cataloged under National Stock Number 4730-00-253-4414, 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 Lockheed Martin Corporation Div Rotary and Mission Systems. This item has 24 commercial cross-references from 24 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameElbow,pipe
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersLockheed Martin Corporation Div Rotary and Mission Systems (CAGE 38597); Raytheon Company Dba Raytheon Co (CAGE 06845); Smiths Detection Inc. Dba Smiths Detection Inc Casc (CAGE 23667); Cnh Industrial America Llc Dba Cnh America (CAGE 10988); General Motors Corp (CAGE 24617)
Technical Specifications
ParameterValue
NSN4730-00-253-4414
Primary Part Number57B126-1-16G
Item NameElbow,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rotary and Mission Systems
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6685-00-051-9520 INTERCHANGEABLE
Thermometer,self-Indicating
6685-00-051-9521 INTERCHANGEABLE
Thermometer,self-Indicating
6685-00-051-9524 INTERCHANGEABLE
Thermometer,self-Indicating
3030-00-102-308723-3-13IN INTERCHANGEABLE
Belt,v
H20 Tank Inc U S Motors Div
5935-00-161-8757131-91025 INTERCHANGEABLE
Adapter,connector
Amphenol Corporation Div Amphenol Rf
5950-00-231-4828467738CHANGEB INTERCHANGEABLE
Transformer,audio Frequency
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
4730-00-231-5654 INTERCHANGEABLE
Reducer,pipe
4730-00-231-5657 INTERCHANGEABLE
Reducer,pipe
4730-00-231-5661 INTERCHANGEABLE
Reducer,pipe
4730-00-246-9217 INTERCHANGEABLE
Elbow,pipe
Cross-Reference Index
Part NumberManufacturer
57B126-1-16G Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
C233275-4 Raytheon Company Dba Raytheon Co (USA)
1131794 Smiths Detection Inc. Dba Smiths Detection Inc Casc (USA)
221-1414 Cnh Industrial America Llc Dba Cnh America (USA)
127961 General Motors Corp (USA)
7508-1-2IN The Walworth Company (USA)
508596 Dresser Industries Inc Leroi Div (USA)
1103-1/2 Itt Grinnell Corp (USA)
03383 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
613+1+2GALV Stockham Valves and Fittings Inc (USA)
67A7M4 Clark Equipment Co Div Doosan Infracore Portable Power (USA)
WWP521TYPE2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS39230-4 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
B16.3 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
127961 Euclid Inc (USA)
57B126-1-16G Lockheed Martin Corp (USA)
127961 Army Weapons Command Attn Amswe-Ree-S (USA)
61010 Davey Compressor Co Div of Keco Industries Inc (USA)
1131794 Bendix Corp the (USA)
108686 Ed Etnyre & Co (USA)
Related Parts
6685-00-051-9520INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
6685-00-051-9521INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
6685-00-051-9524INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
3030-00-102-3087INTERCHANGEABLE
BELT,V
23-3-13IN
5935-00-161-8757INTERCHANGEABLE
ADAPTER,CONNECTOR
131-91025
5950-00-231-4828INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
467738CHANGEB
4730-00-231-5654INTERCHANGEABLE
REDUCER,PIPE
4730-00-231-5657INTERCHANGEABLE
REDUCER,PIPE
4730-00-231-5661INTERCHANGEABLE
REDUCER,PIPE
4730-00-246-9217INTERCHANGEABLE
ELBOW,PIPE
4730-00-247-0923INTERCHANGEABLE
LATERAL,PIPE
4730-00-253-4420INTERCHANGEABLE
ELBOW,PIPE

Frequently Asked Questions

What is NSN 4730-00-253-4414?

NSN 4730-00-253-4414 is a Elbow,pipe, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-253-4414?

NSN 4730-00-253-4414 has 24 cross-referenced part numbers: 57B126-1-16G (Lockheed Martin Corporation Div Rotary and Mission Systems), C233275-4 (Raytheon Company Dba Raytheon Co), 1131794 (Smiths Detection Inc. Dba Smiths Detection Inc Casc), 221-1414 (Cnh Industrial America Llc Dba Cnh America), 127961 (General Motors Corp) and 19 more.

What NSN replaces 4730-00-253-4414?

There are 12 known substitutes for 4730-00-253-4414: 6685-00-051-9520, 6685-00-051-9521, 6685-00-051-9524 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 4730-00-253-4414 still in active supply?

NSN 4730-00-253-4414 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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