The Hardware Kit,mechanic Equipment, cataloged under National Stock Number 5340-01-588-9856, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies Llc Dba PB Fasteners Div PB Fasteners. The record lists 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-588-9856 |
| Primary Part Number | 520-12815-25 |
| Item Name | Hardware Kit,mechanic Equipment |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| 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 |
|---|---|
| 520-12815-25 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 520-12815-25 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 520-12815-25 | Huck International, Inc (USA) |
| 520-12815-25 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| 520-12815-25 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| 520-12815-25 | Federal Manufacturing Corp (USA) |
| 520-12815-25 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 520-12815-25 | Howmet Global Fastening Systems Inc (USA) |
| 520-12815-25 | Hi-Shear Corporation (USA) |
| 520-12815-25 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| 520-12815-25 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 520-12815-25 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| 520-12815-25 | 3/2 Design control — primary reference U.S. Government activity |
| 520-12815-25 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-588-9856 is a Hardware Kit,mechanic Equipment, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-588-9856 has 11 manufacturer part numbers on file: 520-12815-25 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 520-12815-25 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), 520-12815-25 (Huck International, Inc), 520-12815-25 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), 520-12815-25 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries) and 6 more.
Key specifications for 520-12815-25: Part Name Assigned by Controlling Agency: FASTENER KIT; End Item Identification: B-52 AIRCRAFT. 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.