PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H 121Card,timer

Henrici Controls Corporation · NSN 3510-01-326-0704 · FSC 3510 · No Item Name Available
Verified by PartsTable
NSN 3510-01-326-0704 — this item is cataloged by the U.S. Government under National Stock Number 3510-01-326-0704. Primary manufacturer part number: H 121.
Features
  • Card,timer — FSC 3510
  • 2 verified cross-references
  • Primary manufacturer: Henrici Controls Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Card,timer, cataloged under National Stock Number 3510-01-326-0704, is classified within Federal Supply Class 3510 (No Item Name Available) of the Service and Trade Equipment group. The primary manufacturer of record is Henrici Controls Corporation. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCard,timer
FSC / FSG3510 — No Item Name Available (FSG 35)
ManufacturersA L D Inc (CAGE 05789); Henrici Controls Corporation (CAGE 31432)
Technical Specifications
ParameterValue
NSN3510-01-326-0704
Primary Part NumberH 121
Item NameCard,timer
FSC / FSG3510 / 35 — No Item Name Available
ManufacturerHenrici Controls Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3020-00-486-8143GC14-21P1 INTERCHANGEABLE
Gear,spur
Secs Inc
3030-00-528-3787 INTERCHANGEABLE
Belt,v
5950-00-578-5251H121 INTERCHANGEABLE
Transformer,power
Magnetika Inc
6685-00-641-31768791666 INTERCHANGEABLE
Indicator,humidity,plug
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament
3455-00-984-3405 INTERCHANGEABLE
File,rotary
5360-01-493-9516 INTERCHANGEABLE
Spring,flat
Cross-Reference Index
Part NumberManufacturer
177-8030 A L D Inc (USA)
H 121 PRIMARY Henrici Controls Corporation (USA)
Related Parts
3020-00-486-8143INTERCHANGEABLE
GEAR,SPUR
GC14-21P1
3030-00-528-3787INTERCHANGEABLE
BELT,V
5950-00-578-5251INTERCHANGEABLE
TRANSFORMER,POWER
H121
6685-00-641-3176INTERCHANGEABLE
INDICATOR,HUMIDITY,PLUG
8791666
3455-00-984-3405INTERCHANGEABLE
FILE,ROTARY
5360-01-493-9516INTERCHANGEABLE
SPRING,FLAT

Frequently Asked Questions

What is NSN 3510-01-326-0704?

NSN 3510-01-326-0704 is a Card,timer, manufactured by Henrici Controls Corporation, classified under FSC 3510 (No Item Name Available). Status: active.

What are the part numbers for NSN 3510-01-326-0704?

NSN 3510-01-326-0704 has 2 cross-referenced part numbers: 177-8030 (A L D Inc), H 121 (Henrici Controls Corporation).

What NSN replaces 3510-01-326-0704?

There are 6 known substitutes for 3510-01-326-0704: 3020-00-486-8143, 3030-00-528-3787, 5950-00-578-5251 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com