PartsTable TECHNICAL DATA SHEET
NSN 6645-01-157-9079Government record, cited

Meter, Time Totalizing6645-01-157-9079

NSN 6645-01-157-9079 · NIIN 011579079 · Part number 3915B-G502
Howell Laboratories Inc Dba Howell Laboratories Inc · FSC 6645 — Time Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 22501
Government record, cited
NSN 6645-01-157-9079 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-157-9079. Manufacturer of record part number: 3915B-G502.
Also searched as  6645-01-157-9079 · 6645011579079 · NIIN 011579079 · 01-157-9079 · FSC 6645 Time Measuring Instruments · CAGE 22501 · 3915B-G502
Nearby stock numbers  ·
Features
  • Meter,time Totalizing — FSC 6645
  • Indicator Type: DRUM REGISTER
  • Measurement Unit: HOURS
  • 1 manufacturer part number on file
  • Manufacturer of record: Howell Laboratories Inc Dba Howell Laboratories Inc
Identification
  • NSN: 6645-01-157-9079
  • NIIN: 011579079
  • FSC: 6645 — Time Measuring Instruments
  • FSG: 66 — Instruments and Laboratory Equipment
  • Primary part number: 3915B-G502
  • Manufacturer: Howell Laboratories Inc Dba Howell Laboratories Inc
General Description

The Meter,time Totalizing, cataloged under National Stock Number 6645-01-157-9079, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-01-157-9079
Primary Part Number3915B-G502
Item NameMeter,time Totalizing
FSC / FSG6645 / 66 — Time Measuring Instruments
ManufacturerHowell Laboratories Inc Dba Howell Laboratories Inc
StatusACTIVE
Indicator TypeDRUM REGISTER
Measurement UnitHOURS
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
3915B-G502 PRIMARY Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
No interchangeability data on file.
Other items in FSC 6645 — Time Measuring Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6645-00-001-1256
6645-00-001-1256 · Item name not on file
6645-00-001-4498
6645-00-001-4498 · Item name not on file
6645-00-001-4584
6645-00-001-4584 · Item name not on file
6645-00-001-9400
METER,TIME TOTALIZING
6645-00-003-0327
6645-00-003-0327 · Item name not on file
6645-00-003-0328
6645-00-003-0328 · Item name not on file
6645-00-003-0337
6645-00-003-0337 · Item name not on file
6645-00-003-0338
METER,TIME TOTALIZING

Frequently Asked Questions

What is NSN 6645-01-157-9079?

NSN 6645-01-157-9079 is a Meter,time Totalizing, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 6645, Time Measuring Instruments. Status: active.

What part numbers are listed for NSN 6645-01-157-9079?

NSN 6645-01-157-9079 has 1 manufacturer part number on file: 3915B-G502 (Howell Laboratories Inc Dba Howell Laboratories Inc).

What are the specifications of 3915B-G502?

Key specifications for 3915B-G502: Indicator Type: DRUM REGISTER; Measurement Unit: HOURS. 2 specifications are documented in the U.S. Government catalog.

Is NSN 6645-01-157-9079 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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