The Microcircuit, cataloged under National Stock Number 5962-01-129-2391, is classified within Federal Supply Class 5962 (Microcircuits, Electronic) of the Electrical and Electronic Equipment Components group. The manufacturer of record is National Semiconductor Corporation. The record lists 11 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 20 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Microcircuit |
| FSC / FSG | 5962 — Microcircuits, Electronic (FSG 59) |
| Manufacturers | Simoco Europe Ltd (CAGE K1090); Trescal Limited (CAGE K0433); Johnsons Photopia Limited (CAGE K0223); Motorola/codex Corp Sub of Motorola Inc (CAGE 25420); Logimetrics Inc (CAGE 33013) |
| Parameter | Value |
|---|---|
| NSN | 5962-01-129-2391 |
| Primary Part Number | LM337-T |
| Item Name | Microcircuit |
| FSC / FSG | 5962 / 59 — Microcircuits, Electronic |
| Manufacturer | National Semiconductor Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 9335-305-60682 | Simoco Europe Ltd (GBR) |
| 28461-727 | Trescal Limited (GBR) |
| 50100044 | Johnsons Photopia Limited (GBR) |
| 06651 | Motorola/codex Corp Sub of Motorola Inc (USA) |
| 670343 | Logimetrics Inc (USA) |
| 260038 | Fluke Precision Measurement Ltd (GBR) |
| RGLM337T | Quester Tangent Corporationdiv Marine Div Marine (CAN) |
| LM337-T PRIMARY | National Semiconductor Corporation (USA) |
| 10D00337A | Hekimian Laboratories Inc (USA) |
| 28461-727Z | Trescal Limited (GBR) |
| 1826-0527 | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 4200460000 | 5/9 Secondary reference Aeroflex France |
| 28461-727Z | 5/9 Secondary reference Marconi Instruments Ltd (service Division) |
| LM337TA | 5/9 Secondary reference Adelco Elektronik Gmbh |
| 6309870 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| LM337T | 5/9 Secondary reference Adelco Elektronik Gmbh |
| 37-0276 | C/1 Advisory reference — outside the item-of-supply concept Leviton Manufacturing Co., Inc. Dba Leviton Lighting Controls Division |
| LM337-T | C/1 Advisory reference — outside the item-of-supply concept Silonex Inccasco Products Company |
| LM337T | C/1 Advisory reference — outside the item-of-supply concept National Semiconductor Corp |
| 99000566-003 | C/1 Advisory reference — outside the item-of-supply concept Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services |
| LM337T | 5/9 Secondary reference Freescale Semiconductor, Inc. |
| 156-1451-00 | 5/2 Secondary reference U.S. Government activity |
| 1826-0527 | 5/9 Secondary reference Keysight Technologies, Inc. |
| 5322-209-81236 | 5/9 Secondary reference Philips Electrical Ltd |
| 28461-727 | 5/9 Secondary reference Marconi Instruments Ltd (service Division) |
| 2682-4904 | 5/9 Secondary reference Lockheed Martin Corp Lockheed Martin Mission Systems |
| I11-0012-001 | C/1 Advisory reference — outside the item-of-supply concept L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications |
| 2118-0086 | 5/1 Secondary reference Fluke Biomedical Corporation |
| 64-005702-040 | C/1 Advisory reference — outside the item-of-supply concept Thomson Multimedia Broadcast Solutions Inc |
| 1826-0527 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 3311-0025 | C/1 Advisory reference — outside the item-of-supply concept Catel Telecommunications Inc Sub of Data-Design Laboratories |
NSN 5962-01-129-2391 is a Microcircuit, manufactured by National Semiconductor Corporation, classified under FSC 5962, Microcircuits, Electronic. Status: active.
NSN 5962-01-129-2391 has 11 manufacturer part numbers on file: 9335-305-60682 (Simoco Europe Ltd), 28461-727 (Trescal Limited), 50100044 (Johnsons Photopia Limited), 06651 (Motorola/codex Corp Sub of Motorola Inc), 670343 (Logimetrics Inc) and 6 more.
1 possible match (shared part number, not a government interchangeability claim): 5330-01-351-5562. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.