PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R312Hammer,print

Simplex Time Recorder Llc · NSN 6660-00-498-9689 · FSC 6660 · No Item Name Available
Verified by PartsTable
NSN 6660-00-498-9689 — this item is cataloged by the U.S. Government under National Stock Number 6660-00-498-9689. Primary manufacturer part number: R312.
Features
  • Hammer,print — FSC 6660
  • 2 verified cross-references
  • Primary manufacturer: Simplex Time Recorder Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Hammer,print, cataloged under National Stock Number 6660-00-498-9689, is classified within Federal Supply Class 6660 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Simplex Time Recorder Llc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameHammer,print
FSC / FSG6660 — No Item Name Available (FSG 66)
ManufacturersSimplex Time Recorder Llc (CAGE 54978); Viking Technologies, Ltd. (CAGE 71313)
Technical Specifications
ParameterValue
NSN6660-00-498-9689
Primary Part NumberR312
Item NameHammer,print
FSC / FSG6660 / 66 — No Item Name Available
ManufacturerSimplex Time Recorder Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5950-00-089-1223 INTERCHANGEABLE
Reactor
3020-00-127-8516103913 INTERCHANGEABLE
Gear,spur
Astronautics Corporation of America
9540-00-139-0291 INTERCHANGEABLE
Beam,structural
4320-00-214-0127R312 INTERCHANGEABLE
Pump Unit,centrifugal
Circor Naval Solutions Llc Dba Warren Pumps
5340-00-489-5185R31-1A INTERCHANGEABLE
Handle,door
Adams Rite Aerospace, Inc
3010-00-713-46031522762 INTERCHANGEABLE
Clutch Assembly,friction
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5905-00-821-6437R31-2 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Cae Usa Inc.
5325-00-982-0177 INTERCHANGEABLE
Receptacle,turnlock Fastener
8520-01-098-8883 INTERCHANGEABLE
Soap,toilet
5955-01-305-5949103913 INTERCHANGEABLE
Crystal Unit,quartz
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
Cross-Reference Index
Part NumberManufacturer
R312 PRIMARY Simplex Time Recorder Llc (USA)
103913 Viking Technologies, Ltd. (USA)
Related Parts
5950-00-089-1223INTERCHANGEABLE
REACTOR
3020-00-127-8516INTERCHANGEABLE
GEAR,SPUR
103913
9540-00-139-0291INTERCHANGEABLE
BEAM,STRUCTURAL
4320-00-214-0127INTERCHANGEABLE
PUMP UNIT,CENTRIFUGAL
R312
5340-00-489-5185INTERCHANGEABLE
HANDLE,DOOR
R31-1A
3010-00-713-4603INTERCHANGEABLE
CLUTCH ASSEMBLY,FRICTION
1522762
5905-00-821-6437INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
R31-2
5325-00-982-0177INTERCHANGEABLE
RECEPTACLE,TURNLOCK FASTENER
8520-01-098-8883INTERCHANGEABLE
SOAP,TOILET
5955-01-305-5949INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
103913

Frequently Asked Questions

What is NSN 6660-00-498-9689?

NSN 6660-00-498-9689 is a Hammer,print, manufactured by Simplex Time Recorder Llc, classified under FSC 6660 (No Item Name Available). Status: active.

What are the part numbers for NSN 6660-00-498-9689?

NSN 6660-00-498-9689 has 2 cross-referenced part numbers: R312 (Simplex Time Recorder Llc), 103913 (Viking Technologies, Ltd.).

What NSN replaces 6660-00-498-9689?

There are 10 known substitutes for 6660-00-498-9689: 5950-00-089-1223, 3020-00-127-8516, 9540-00-139-0291 and 7 more. Verify interchangeability with system specifications before substitution.

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