The Retainer,nut and Bolt, cataloged under National Stock Number 5340-01-157-4170, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 6 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 | 5340-01-157-4170 |
| Primary Part Number | 65201-06056-102 |
| Item Name | Retainer,nut and Bolt |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE |
| Material Document and Classification | MIL-S-18729, COMP 4130 MIL SPEC SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.189 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN |
| Center to Center Distance Between Cup and Mounting Hole | 2.800 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE |
| Material | STEEL COMP 4130 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 65201-06056-102 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 5340-01-157-4170 is a Retainer,nut and Bolt, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-157-4170 has 1 manufacturer part number on file: 65201-06056-102 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 65201-06056-102: Surface Treatment Document and Classification: QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE; Material Document and Classification: MIL-S-18729, COMP 4130 MIL SPEC SINGLE MATERIAL RESPONSE; Mounting Hole Diameter: 0.189 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN; Overall Length: 4.100 INCHES NOMINAL IN. 6 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.