The Bearing Protector K, cataloged under National Stock Number 5340-01-582-1388, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Air Tight, Llc Dba Air Tight Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-582-1388 |
| Primary Part Number | AT-70USG |
| Item Name | Bearing Protector K |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Air Tight, Llc Dba Air Tight Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| AT-70USG PRIMARY | Air Tight, Llc Dba Air Tight Llc (USA) |
| AT70USS | Motion Australia Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| AT-70US | 5/9 Secondary reference Titan Trailer Brakes Pty Ltd |
| AT-70US | 5/9 Secondary reference Air Tight, Llc Dba Air Tight Llc |
NSN 5340-01-582-1388 is a Bearing Protector K, manufactured by Air Tight, Llc Dba Air Tight Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-582-1388 has 2 manufacturer part numbers on file: AT-70USG (Air Tight, Llc Dba Air Tight Llc), AT70USS (Motion Australia Pty Ltd).
Key specifications for AT-70USG: Part Name Assigned by Controlling Agency: FULL KIT-SPORT 7000 LB LBS. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.