The Roller,material Handling, cataloged under National Stock Number 3990-00-193-3264, is classified within Federal Supply Class 3990 (Miscellaneous Materials Handling Equipment) of the Materials Handling Equipment group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 5 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3990-00-193-3264 |
| Primary Part Number | 551AS134-1 |
| Item Name | Roller,material Handling |
| FSC / FSG | 3990 / 39 — Miscellaneous Materials Handling Equipment |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Length | 6.875 INCHES NOMINAL IN |
| Material Document and Classification | MIL-T-6736, TYPE 1, COND A MIL SPEC SINGLE MATERIAL RESPONSE |
| Diameter | 2.500 INCHES NOMINAL IN |
| Roller Type | HOLLOW |
| Material | STEEL COMP 4130 |
| 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 |
|---|---|
| 551AS134-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 3990-00-193-3264 is a Roller,material Handling, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 3990, Miscellaneous Materials Handling Equipment. Status: active.
NSN 3990-00-193-3264 has 1 manufacturer part number on file: 551AS134-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 551AS134-1: Length: 6.875 INCHES NOMINAL IN; Material Document and Classification: MIL-T-6736, TYPE 1, COND A MIL SPEC SINGLE MATERIAL RESPONSE; Diameter: 2.500 INCHES NOMINAL IN; Special Features: 1.998 IN. MIN,1.999 IN.MAX,COUNTERBORE DIA,0.625 IN. MIN,0.630 IN. MAX,COUNTERBORE DEPTH,BOTHENDS IN. 5 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.