The Roller Assembly, cataloged under National Stock Number 3990-01-508-3534, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3990-01-508-3534 |
| Primary Part Number | 752-7068422-A20 |
| Item Name | Roller Assembly |
| FSC / FSG | 3990 / 39 — Miscellaneous Materials Handling Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Accessory Components and Quantity | ROLLER & BUSHING ASSY 96169/2633-100-01 ASSY 67(3120-01-499-2497) 1; RO LLER SHAFT 1; ROLLER BRACKET 1; SLFLKG SCH CAP SCREW 1 |
| Material | COPPER ALLOY AND STEEL CORROSION RESISTING AND PLASTIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 752-7068422-A20 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 752-7068422 | D/9 Drawing number reference only Naval Sea Systems Command |
| H832-0310-A20 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3990-01-508-3534 is a Roller Assembly, manufactured by Naval Sea Systems Command, classified under FSC 3990, Miscellaneous Materials Handling Equipment. Status: active.
NSN 3990-01-508-3534 has 1 manufacturer part number on file: 752-7068422-A20 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 5310-01-628-2578, 5310-01-719-8074, 5310-01-719-8103. Verify interchangeability with system specifications before substitution.
Key specifications for 752-7068422-A20: Accessory Components and Quantity: ROLLER & BUSHING ASSY 96169/2633-100-01 ASSY 67(3120-01-499-2497) 1; RO LLER SHAFT 1; ROLLER BRACKET 1; SLFLKG SCH CAP SCREW 1; End Item Identification: VIRGINIA CLASS SSN; WEAPON SHIPPING DECK SKID ASSEMBLY; Material: COPPER ALLOY AND STEEL CORROSION RESISTING AND PLASTIC. 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.
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.