PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

500311 ITEM 21Keypad

Coffin World Water Systems, Llc Dba Coffin World Water Systems, Llc · NSN 5998-01-451-1671 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-451-1671 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-451-1671. Primary manufacturer part number: 500311 ITEM 21.
Features
  • Keypad — FSC 5998
  • 3 verified cross-references
  • Primary manufacturer: Coffin World Water Systems, Llc Dba Coffin World Water Systems, Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Keypad, cataloged under National Stock Number 5998-01-451-1671, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Coffin World Water Systems, Llc Dba Coffin World Water Systems, Llc. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameKeypad
FSC / FSG5998 — Circuit Card Assembly (FSG 59)
ManufacturersCoffin World Water Systems, Llc Dba Coffin World Water Systems, Llc (CAGE 0AR12)
Technical Specifications
ParameterValue
NSN5998-01-451-1671
Primary Part Number500311 ITEM 21
Item NameKeypad
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerCoffin World Water Systems, Llc Dba Coffin World Water Systems, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight1.0000 lbs
Cube0.0630 cu ft
Verified Substitutes 12
5905-00-107-4554 INTERCHANGEABLE
Resistor,fixed,composition
5360-00-394-68615003-011 INTERCHANGEABLE
Spring,spiral,torsion
Raytheon Company Dba Raytheon
5930-00-402-6417500311 INTERCHANGEABLE
Switch Assembly
Electro-Mech Components, Inc. Dba Electro-Mech Components Inc
5330-00-701-2551CAP 76A INTERCHANGEABLE
Asbestos Sheet,compressed
Johns Manville Intl
4320-00-910-3536500-311 INTERCHANGEABLE
Pump,rotary
The Raymond Corp Dba Raymond Sales Corp Div the Raymond Corporation
5355-01-181-056250031-1 INTERCHANGEABLE
Dial,scale
Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co
5945-01-374-6900 INTERCHANGEABLE
Solenoid,electrical
3020-01-393-531850031-1 INTERCHANGEABLE
Gear,worm
Morpac Industries, Inc Div Actuator
4820-01-450-8284 INTERCHANGEABLE
Valve,check
5980-01-451-0427500311 ITEM 14 INTERCHANGEABLE
Light Emitting Diode
Coffin World Water Systems, Llc Dba Coffin World Water Systems, Llc
Cross-Reference Index
Part NumberManufacturer
500311 Coffin World Water Systems, Llc Dba Coffin World Water Systems, Llc (USA)
OMKP0371 Coffin World Water Systems, Llc Dba Coffin World Water Systems, Llc (USA)
500311 ITEM 21 PRIMARY Coffin World Water Systems, Llc Dba Coffin World Water Systems, Llc (USA)
Related Parts
5905-00-107-4554INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5360-00-394-6861INTERCHANGEABLE
SPRING,SPIRAL,TORSION
5003-011
5930-00-402-6417INTERCHANGEABLE
SWITCH ASSEMBLY
500311
5330-00-701-2551INTERCHANGEABLE
ASBESTOS SHEET,COMPRESSED
CAP 76A
4320-00-910-3536INTERCHANGEABLE
PUMP,ROTARY
500-311
5355-01-181-0562INTERCHANGEABLE
DIAL,SCALE
50031-1
5945-01-374-6900INTERCHANGEABLE
SOLENOID,ELECTRICAL
3020-01-393-5318INTERCHANGEABLE
GEAR,WORM
50031-1
4820-01-450-8284INTERCHANGEABLE
VALVE,CHECK
5980-01-451-0427INTERCHANGEABLE
LIGHT EMITTING DIODE
500311 ITEM 14
5980-01-451-0439INTERCHANGEABLE
LIGHT EMITTING DIODE
500311 ITEM 16
5980-01-451-0444INTERCHANGEABLE
LIGHT EMITTING DIODE
500311 ITEM 18

Frequently Asked Questions

What is NSN 5998-01-451-1671?

NSN 5998-01-451-1671 is a Keypad, manufactured by Coffin World Water Systems, Llc Dba Coffin World Water Systems, Llc, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-451-1671?

NSN 5998-01-451-1671 has 3 cross-referenced part numbers: 500311 (Coffin World Water Systems, Llc Dba Coffin World Water Systems, Llc), OMKP0371 (Coffin World Water Systems, Llc Dba Coffin World Water Systems, Llc), 500311 ITEM 21 (Coffin World Water Systems, Llc Dba Coffin World Water Systems, Llc).

What NSN replaces 5998-01-451-1671?

There are 12 known substitutes for 5998-01-451-1671: 5905-00-107-4554, 5360-00-394-6861, 5930-00-402-6417 and 9 more. Verify interchangeability with system specifications before substitution.

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