The Lock Assy,stbd Tray, cataloged under National Stock Number 3990-01-508-2907, is classified within Federal Supply Class 3990 (Miscellaneous Materials Handling Equipment) of the Materials Handling Equipment group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 3990-01-508-2907 |
| Primary Part Number | 596-7410364-A1 |
| Item Name | Lock Assy,stbd Tray |
| FSC / FSG | 3990 / 39 — Miscellaneous Materials Handling Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Accessory Components and Quantity | TOP PLATE 1; BOTTOM PLATE 1; SLEEVE 6; PARALLEL SQUARE KEY 1; SCH CYL SLFLKG CAP SCREW 4; SWITCH ACTUATOR HYDRAULIC LOCK ASSY 1 (4810-01-507-3155) |
| Material | STEEL AND STEEL CORROSION RESISTING AND NICKEL ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 596-7410364-A1 | Advance Mfg.co., Inc. (USA) |
| 596-7410364-A1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| B4348140-A1 | 3/9 Design control — primary reference U.S. Government activity |
| 596-7410364 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3990-01-508-2907 is a Lock Assy,stbd Tray, manufactured by Naval Sea Systems Command, classified under FSC 3990, Miscellaneous Materials Handling Equipment. Status: active.
NSN 3990-01-508-2907 has 2 manufacturer part numbers on file: 596-7410364-A1 (Advance Mfg.co., Inc.), 596-7410364-A1 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-508-3965. Verify interchangeability with system specifications before substitution.
Key specifications for 596-7410364-A1: Overall Height: 12.500 INCHES NOMINAL IN; Overall Length: 22.500 INCHES NOMINAL IN; Overall Width: 19.000 INCHES NOMINAL IN; Accessory Components and Quantity: TOP PLATE 1; BOTTOM PLATE 1; SLEEVE 6; PARALLEL SQUARE KEY 1; SCH CYL SLFLKG CAP SCREW 4; SWITCH ACTUATOR HYDRAULIC LOCK ASSY 1 (4810-01-507-3155). 2 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 3990-01-508-2907 has DEMIL Code B. 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.