The Washer,key, cataloged under National Stock Number 5310-01-075-7124, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Maxim Evaporators of America, Llc Dba Maxim Evaporators Llc. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-075-7124 |
| Primary Part Number | 153-07-B-028-3 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Maxim Evaporators of America, Llc Dba Maxim Evaporators Llc |
| Status | ACTIVE |
| Material Thickness | 0.031 INCHES NOMINAL IN |
| Material | STEEL COMP 304 OVERALL |
| Hole Diameter | 0.500 INCHES NOMINAL IN |
| 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 |
|---|---|
| 53-07-B-028-3 | Maxim Evaporators of America, Llc Dba Maxim Evaporators Llc (USA) |
| 153-07-B-028-3 PRIMARY | Maxim Evaporators of America, Llc Dba Maxim Evaporators Llc (USA) |
| Reference | Meaning |
|---|---|
| 153-07-B-028-3 | 5/9 Secondary reference Maxim Evaporators, Inc |
| 53-07-B-028-3 | 5/9 Secondary reference Beaird Industries Inc. |
| 53-07-B-028-3 | 3/9 Design control — primary reference Maxim Evaporators, Inc |
NSN 5310-01-075-7124 is a Washer,key, manufactured by Maxim Evaporators of America, Llc Dba Maxim Evaporators Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-075-7124 has 2 manufacturer part numbers on file: 53-07-B-028-3 (Maxim Evaporators of America, Llc Dba Maxim Evaporators Llc), 153-07-B-028-3 (Maxim Evaporators of America, Llc Dba Maxim Evaporators Llc).
Key specifications for 153-07-B-028-3: Material Thickness: 0.031 INCHES NOMINAL IN; Material: STEEL COMP 304 OVERALL; Hole Diameter: 0.500 INCHES NOMINAL IN. 3 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.