The Bolt,dual Head, cataloged under National Stock Number 5306-01-663-5508, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5306-01-663-5508 |
| Primary Part Number | SS5307V6-27 |
| Item Name | Bolt,dual Head |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| 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 |
|---|---|
| SS5307V6-27 | Pilgrim Screw Corporation Dba Pilgrim Aerospace Fasteners (USA) |
| SS5307V6-27 | Heartland Precision Fasteners Inc (USA) |
| SS5307V6-27 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| SS5307 | D/9 Drawing number reference only Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| SS5307V6-27 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-663-5508 is a Bolt,dual Head, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-663-5508 has 3 manufacturer part numbers on file: SS5307V6-27 (Pilgrim Screw Corporation Dba Pilgrim Aerospace Fasteners), SS5307V6-27 (Heartland Precision Fasteners Inc), SS5307V6-27 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for SS5307V6-27: End Item Identification: CRITICAL APPLICATION ITEM (CAI); CH-53K. 0 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.