PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17437Cage,poppet

E-Systems Inc Montek Div Fluid Controls Opns · NSN 1630-00-657-8301 · FSC 1630 · No Item Name Available
Verified by PartsTable
NSN 1630-00-657-8301 — this item is cataloged by the U.S. Government under National Stock Number 1630-00-657-8301. Primary manufacturer part number: 17437.
Features
  • Cage,poppet — FSC 1630
  • General Characteristics Item Description: CRES,1.047 IN. LG,0.559 IN. BODY DIA,0.860 IN. FLANGE DIA,TAPERED END 0.300 IN. ID,SQUARE END 0.438 IN. ID,PASSIVATED FINISH IN
  • 4 verified cross-references
  • Primary manufacturer: E-Systems Inc Montek Div Fluid Controls Opns
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cage,poppet, cataloged under National Stock Number 1630-00-657-8301, is classified within Federal Supply Class 1630 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is E-Systems Inc Montek Div Fluid Controls Opns. 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1630-00-657-8301
Primary Part Number17437
Item NameCage,poppet
FSC / FSG1630 / 16 — No Item Name Available
ManufacturerE-Systems Inc Montek Div Fluid Controls Opns
StatusACTIVE
General Characteristics Item DescriptionCRES,1.047 IN. LG,0.559 IN. BODY DIA,0.860 IN. FLANGE DIA,TAPERED END 0.300 IN. ID,SQUARE END 0.438 IN. ID,PASSIVATED FINISH IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5940-00-050-2308 INTERCHANGEABLE
Terminal,lug
5950-00-324-035521167 INTERCHANGEABLE
Coil,radio Frequency
Vanguard Electronics, Llc
5930-00-408-839617-437 INTERCHANGEABLE
Switch,rotary
Rogerson Kratos
5360-00-820-7796 INTERCHANGEABLE
Spring,retractor Fi
1650-00-956-995417437 INTERCHANGEABLE
Parts Kit,valve,hydraulic
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
6150-01-227-0916 INTERCHANGEABLE
Cable Assembly,special Purpose,e
5330-01-351-280017437 INTERCHANGEABLE
Retainer,packing
Coffin Turbo Pump Inc
6115-01-545-8873174-37 INTERCHANGEABLE
Part Kit,generator
Hamilton Sundstrand Corporation Dba Collins Aerospace
5325-01-692-4212SLP5169A6-27 INTERCHANGEABLE
Insert,panel Fastener
Sps Technologies Llc Dba Shur-Lok Company Div Aerospace Engineered Products Division
Cross-Reference Index
Part NumberManufacturer
17437 E-Systems Inc Montek Div Fluid Controls Opns (USA)
17437 Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA)
17437 Mid-America Aerotech, Llc (USA)
17437 Moog Inc (USA)
Related Parts
5940-00-050-2308INTERCHANGEABLE
TERMINAL,LUG
5950-00-324-0355INTERCHANGEABLE
COIL,RADIO FREQUENCY
21167
5930-00-408-8396INTERCHANGEABLE
SWITCH,ROTARY
17-437
5360-00-820-7796INTERCHANGEABLE
SPRING,RETRACTOR FI
1650-00-956-9954INTERCHANGEABLE
PARTS KIT,VALVE,HYDRAULIC
17437
6150-01-227-0916INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5330-01-351-2800INTERCHANGEABLE
RETAINER,PACKING
17437
6115-01-545-8873INTERCHANGEABLE
PART KIT,GENERATOR
174-37
5325-01-692-4212INTERCHANGEABLE
INSERT,PANEL FASTENER
SLP5169A6-27

Frequently Asked Questions

What is NSN 1630-00-657-8301?

NSN 1630-00-657-8301 is a Cage,poppet, manufactured by E-Systems Inc Montek Div Fluid Controls Opns, classified under FSC 1630 (No Item Name Available). Status: active.

What are the part numbers for NSN 1630-00-657-8301?

NSN 1630-00-657-8301 has 4 cross-referenced part numbers: 17437 (E-Systems Inc Montek Div Fluid Controls Opns), 17437 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City), 17437 (Mid-America Aerotech, Llc), 17437 (Moog Inc).

What NSN replaces 1630-00-657-8301?

There are 9 known substitutes for 1630-00-657-8301: 5940-00-050-2308, 5950-00-324-0355, 5930-00-408-8396 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 17437?

Key specifications for 17437: General Characteristics Item Description: CRES,1.047 IN. LG,0.559 IN. BODY DIA,0.860 IN. FLANGE DIA,TAPERED END 0.300 IN. ID,SQUARE END 0.438 IN. ID,PASSIVATED FINISH 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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