The Microcircuit,memory, cataloged under National Stock Number 5962-01-451-5686, is classified within Federal Supply Class 5962 (Microcircuits, Electronic) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5962-01-451-5686 |
| Primary Part Number | A31U29973-1 |
| Item Name | Microcircuit,memory |
| FSC / FSG | 5962 / 59 — Microcircuits, Electronic |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| Status | ACTIVE |
| Features Provided | PROGRAMMED |
| Inclosure Configuration | DUAL-IN-LINE |
| Memory Device Type | PAL |
| Terminal Type and Quantity | 24 PRINTED CIRCUIT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A31U29973-1 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| Reference | Meaning |
|---|---|
| TIBPAL22V10-15BCNT | 5/1 Secondary reference Texas Instruments Incorporated |
| ROM/PROM | 5/1 Secondary reference Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| A31U29973-1 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| A31U29973-1 | 5/9 Secondary reference Texas Instruments Incorporated |
NSN 5962-01-451-5686 is a Microcircuit,memory, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 5962, Microcircuits, Electronic. Status: active.
NSN 5962-01-451-5686 has 1 manufacturer part number on file: A31U29973-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple).
3 possible matches (shared part number, not a government interchangeability claim): 5962-01-451-5689, 5962-01-451-5691, 5962-01-451-5696. Verify interchangeability with system specifications before substitution.
Key specifications for A31U29973-1: Features Provided: PROGRAMMED; Inclosure Configuration: DUAL-IN-LINE; Memory Device Type: PAL; Part Name Assigned by Controlling Agency: IEEE CONTROL PAL 1. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5962-01-451-5686 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.