The Core Memory Unit, cataloged under National Stock Number 5895-01-473-0873, is classified within Federal Supply Class 5895 (Miscellaneous Communication Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Manassas. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5895-01-473-0873 |
| Primary Part Number | B497 |
| Item Name | Core Memory Unit |
| FSC / FSG | 5895 / 58 — Miscellaneous Communication Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms - Manassas |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | Y |
| Unit of Issue | EA |
| Acquisition advice code | VH |
| Weight | 37.5800 lbs |
| Cube | 1.4552 cu ft |
| Part Number | Manufacturer |
|---|---|
| B497 PRIMARY | Lockheed Martin Corporation Div Rms - Manassas (USA) |
| Reference | Meaning |
|---|---|
| N105636 | 5/1 Secondary reference Lockheed Martin Corporation Div Rms - Manassas |
| 79C0306-00 | 5/2 Secondary reference U.S. Government activity |
| B497 | 3/2 Design control — primary reference U.S. Government activity |
| N103358 | 5/1 Secondary reference Lockheed Martin Corporation Div Rms - Manassas |
NSN 5895-01-473-0873 is a Core Memory Unit, manufactured by Lockheed Martin Corporation Div Rms - Manassas, classified under FSC 5895, Miscellaneous Communication Equipment. Status: active.
NSN 5895-01-473-0873 has 1 manufacturer part number on file: B497 (Lockheed Martin Corporation Div Rms - Manassas).
Key specifications for B497: Criticality Code Justification: FEAT; Special Features: ITEMS ARE BEING CODED AS CRITICAL TO INSURE SOURCE INSPECTION WILL BE PERFORMED AT THE POINT OF MANUFACTURE, PRIOR TO MATERIAL RECEIPT BY THE US NAVY OR OTHER DOD COMPONENTS. THESE ITEMS ARE PIECE PARTS OR END ITEMS IN SUPPORT OF VITAL MILITARY HARDWARE NECESSARY TO SUSTAIN THE SUCCESSFUL MISSION OF THE SHIPS, SUBMARINES, AND SHORE STATIONS OF THE US NAVY. CRITICAL FEATURES INCLUDING, BUT NOT LIMITED TO, DIMENSIONS, TOLERANCES/CLEARANCES, ELECTRONIC CHARACTERISTICS, AND METALLURGICAL PROPERTIES WILL BESPECIFIED FOR GOVERNMENT Q AR (QUALITY ASSURANCE REPRESENTATIVES) TO INSURE THE HIGHEST POSSIBLE DEGREE OF QUALITY AND RELIABILITY OF THESE PARTS BEING DELIVERED UNDER NAVICP CONTRACTS; End Item Identification: AN/BQQ-10(V) UNIT 4001 ENHANCED, CONT DSPL WS. 1 specification is 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 5895-01-473-0873 has DEMIL Code Q. 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.