PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3-701Valve Assembly,environmental Con

Alliant Defense Electronics Systems Inc Dba Lundy Technical Center · NSN 1660-00-119-7350 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-119-7350 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-119-7350. Primary manufacturer part number: 3-701.
Features
  • Valve Assembly,environmental Con — FSC 1660
  • General Characteristics Item Description: STAINLESS STEEL; 4.125 IN. NOMINAL BODY LENGTH; 1.750 IN. NOMINAL BODY WIDTH; 0.312 IN. NOMINAL BODY DEPTH IN
  • 2 verified cross-references
  • Primary manufacturer: Alliant Defense Electronics Systems Inc Dba Lundy Technical Center
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Assembly,environmental Con, cataloged under National Stock Number 1660-00-119-7350, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Alliant Defense Electronics Systems Inc Dba Lundy Technical Center. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1660-00-119-7350
Primary Part Number3-701
Item NameValve Assembly,environmental Con
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerAlliant Defense Electronics Systems Inc Dba Lundy Technical Center
StatusACTIVE
General Characteristics Item DescriptionSTAINLESS STEEL; 4.125 IN. NOMINAL BODY LENGTH; 1.750 IN. NOMINAL BODY WIDTH; 0.312 IN. NOMINAL BODY DEPTH IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-112-94625120-00-112-9462 INTERCHANGEABLE
Bit,screwdriver
General Services Administration Federal Supply Service
3895-00-127-6875 INTERCHANGEABLE
Base
2915-00-613-25253701 INTERCHANGEABLE
Support,motor
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
4820-00-899-86663701 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Matheson Co Div of G D Searle Medical Products
5975-00-982-90663701 INTERCHANGEABLE
Reducing Washer,knockout
Abb Installation Products Inc
4730-01-030-9194 INTERCHANGEABLE
Coupling,pipe
5998-01-043-30963701 INTERCHANGEABLE
Circuit Card Assembly
Data Device Corp Dba Beta Transformer Technology
5895-01-070-39453701 INTERCHANGEABLE
Limiter,electrical Noise
Keysight Technologies Inc
5935-01-108-75933701 INTERCHANGEABLE
Connector,receptacle,electrical
Kearflex Engineering Company
4130-01-343-1656 INTERCHANGEABLE
Accumulator,refrigerant
Cross-Reference Index
Part NumberManufacturer
3-701 Alliant Defense Electronics Systems Inc Dba Lundy Technical Center (USA)
3-701 Kilgore Flares Company Llc (USA)
Related Parts
5120-00-112-9462INTERCHANGEABLE
BIT,SCREWDRIVER
5120-00-112-9462
3895-00-127-6875INTERCHANGEABLE
BASE
2915-00-613-2525INTERCHANGEABLE
SUPPORT,MOTOR
3701
4820-00-899-8666INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
3701
5975-00-982-9066INTERCHANGEABLE
REDUCING WASHER,KNOCKOUT
3701
4730-01-030-9194INTERCHANGEABLE
COUPLING,PIPE
5998-01-043-3096INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
3701
5895-01-070-3945INTERCHANGEABLE
LIMITER,ELECTRICAL NOISE
3701
5935-01-108-7593INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
3701
4130-01-343-1656INTERCHANGEABLE
ACCUMULATOR,REFRIGERANT
5310-01-360-6713INTERCHANGEABLE
NUT,PLAIN,HEXAGON
3701
5340-01-479-2324INTERCHANGEABLE
HANGER,PIPE
3701

Frequently Asked Questions

What is NSN 1660-00-119-7350?

NSN 1660-00-119-7350 is a Valve Assembly,environmental Con, manufactured by Alliant Defense Electronics Systems Inc Dba Lundy Technical Center, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-119-7350?

NSN 1660-00-119-7350 has 2 cross-referenced part numbers: 3-701 (Alliant Defense Electronics Systems Inc Dba Lundy Technical Center), 3-701 (Kilgore Flares Company Llc).

What NSN replaces 1660-00-119-7350?

There are 12 known substitutes for 1660-00-119-7350: 5120-00-112-9462, 3895-00-127-6875, 2915-00-613-2525 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3-701?

Key specifications for 3-701: General Characteristics Item Description: STAINLESS STEEL; 4.125 IN. NOMINAL BODY LENGTH; 1.750 IN. NOMINAL BODY WIDTH; 0.312 IN. NOMINAL BODY DEPTH IN. 1 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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