NSN 4920-01-187-2226 · NIIN 011872226 · Part number A31U29111-3
Northrop Grumman Systems Corporation · FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment · FSG 49 — Maintenance and Repair Shop Equipment · CAGE 26512
Government record, cited
NSN 4920-01-187-2226 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-187-2226. Manufacturer of record part number: A31U29111-3.
Also searched as4920-01-187-2226 ·
4920011872226 ·
NIIN 011872226 ·
01-187-2226 ·
FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment · CAGE 26512 · A31U29111-3 · 9035/11A-S-365A
General Characteristics Item Description: 19.625 IN. LG; 16.750 IN. W; 3.470 IN. W IN
2 manufacturer part numbers on file
Manufacturer of record: Northrop Grumman Systems Corporation
Identification
NSN: 4920-01-187-2226
NIIN: 011872226
FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
FSG: 49 — Maintenance and Repair Shop Equipment
Primary part number: A31U29111-3
Manufacturer: Northrop Grumman Systems Corporation
General Description
The Microprocess Timer Counter, cataloged under National Stock Number 4920-01-187-2226, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Other items in FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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4920-00-001-1716 · Item name not on file
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4920-00-001-1744 · Item name not on file
4920-00-001-1745
4920-00-001-1745 · Item name not on file
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4920-00-001-1746 · Item name not on file
4920-00-001-1747
4920-00-001-1747 · Item name not on file
4920-00-001-1748
4920-00-001-1748 · Item name not on file
Frequently Asked Questions
What is NSN 4920-01-187-2226?
NSN 4920-01-187-2226 is a Microprocess Timer Counter, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
What part numbers are listed for NSN 4920-01-187-2226?
NSN 4920-01-187-2226 has 2 manufacturer part numbers on file: A31U29111-3 (Northrop Grumman Systems Corporation), 9035/11A-S-365A (Northrop Grumman Systems Corporation).
What are the specifications of A31U29111-3?
Key specifications for A31U29111-3: FSC Application Data: WEAPON SYSTEM TEST; General Characteristics Item Description: 19.625 IN. LG; 16.750 IN. W; 3.470 IN. W IN; End Item Identification: CATS 111 D (AN/USM429). 2 specifications are documented in the U.S. Government catalog.
Is NSN 4920-01-187-2226 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.
What is the DEMIL code for NSN 4920-01-187-2226?
NSN 4920-01-187-2226 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.