PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10556075Fitting,relief Valv

General Dynamics Land Systems Canadacorp · NSN 4730-01-446-3738 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-446-3738 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-446-3738. Primary manufacturer part number: 10556075.
Features
  • Fitting,relief Valv — FSC 4730
  • 3 verified cross-references
  • Primary manufacturer: General Dynamics Land Systems Canadacorp
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Fitting,relief Valv, cataloged under National Stock Number 4730-01-446-3738, 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 General Dynamics Land Systems Canadacorp. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameFitting,relief Valv
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersGeneral Dynamics Land Systems Canadacorp (CAGE 56161); Gt Development Corp (CAGE 78528)
Technical Specifications
ParameterValue
NSN4730-01-446-3738
Primary Part Number10556075
Item NameFitting,relief Valv
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerGeneral Dynamics Land Systems Canadacorp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5845-00-172-2274 INTERCHANGEABLE
Net Assembly
5325-00-275-446221211 INTERCHANGEABLE
Eyelet,metallic
Raytheon Company Dba Raytheon
5930-00-548-6080212-11 INTERCHANGEABLE
Switch,rotary
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5320-00-576-9835 INTERCHANGEABLE
Rivet,tubular
5950-00-583-1548CL1002-1 INTERCHANGEABLE
Coil,radio Frequency
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
3010-01-088-0492 INTERCHANGEABLE
Gearcase-Motor
4130-01-096-670406-1302-2149 INTERCHANGEABLE
Filter Element,air Conditioning
Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division
1560-01-100-431921211 INTERCHANGEABLE
Plate,structural,aircraft
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
3040-01-321-223921211 INTERCHANGEABLE
Shaft,shouldered
Industrial Technologies and Services Llc
5995-01-426-68682121-1 INTERCHANGEABLE
Cable Assembly,radio Frequency
Tech Resources, Inc
Cross-Reference Index
Part NumberManufacturer
10556075 General Dynamics Land Systems Canadacorp (CAN)
2121-1 Gt Development Corp (USA)
2121 Gt Development Corp (USA)
Related Parts
5845-00-172-2274INTERCHANGEABLE
NET ASSEMBLY
5325-00-275-4462INTERCHANGEABLE
EYELET,METALLIC
21211
5930-00-548-6080INTERCHANGEABLE
SWITCH,ROTARY
212-11
5320-00-576-9835INTERCHANGEABLE
RIVET,TUBULAR
5950-00-583-1548INTERCHANGEABLE
COIL,RADIO FREQUENCY
CL1002-1
3010-01-088-0492INTERCHANGEABLE
GEARCASE-MOTOR
4130-01-096-6704INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
06-1302-2149
1560-01-100-4319INTERCHANGEABLE
PLATE,STRUCTURAL,AIRCRAFT
21211
3040-01-321-2239INTERCHANGEABLE
SHAFT,SHOULDERED
21211
5995-01-426-6868INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
2121-1
5330-01-431-9936INTERCHANGEABLE
SEAL,PLAIN ENCASED
21211

Frequently Asked Questions

What is NSN 4730-01-446-3738?

NSN 4730-01-446-3738 is a Fitting,relief Valv, manufactured by General Dynamics Land Systems Canadacorp, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-446-3738?

NSN 4730-01-446-3738 has 3 cross-referenced part numbers: 10556075 (General Dynamics Land Systems Canadacorp), 2121-1 (Gt Development Corp), 2121 (Gt Development Corp).

What NSN replaces 4730-01-446-3738?

There are 11 known substitutes for 4730-01-446-3738: 5845-00-172-2274, 5325-00-275-4462, 5930-00-548-6080 and 8 more. Verify interchangeability with system specifications before substitution.

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