NSN 5325-00-639-4201
Part Details | TURNLOCK FASTENER STUD
5325-00-639-4201 A pinlike item designed to turn within and be held in place by an EYELET, TURNLOCK FASTENER; RING, RETAINING; or the surface of the item it fastens. It is provided with either a cam slot, cam lead threads, or a hold for accommodating a pin. Securing is accomplished by mating with a LOCKSPRING, TURNLOCK FASTENER or RECEPTACLE, TURNLOCK FASTENER. It has either provisions to accommodate a knob or extension or has a head which has provisions to facilitate turning.
Alternate Parts: 50007W21, 50-007W21, 50007W20, 50-007W20, 668343021, 668343-021, 668343020, 668343-020, 2351W2021C3C, 2351-W20-21-C3C, W3 12T20, W3 1-2T20, AW35T21, AW312T20, AW3-1-2T20, AW3 12T21, AW3 1/2T21, AW3 12T19, AW3 1/2T19, AW3 12T21IY, AW3 1-2T21IY, AW3 12T21, AW3 1-2T21, 5325-00-639-4201, 00-639-4201, 5325006394201, 006394201
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-639-4201 | 18421 ( STUD, TURNLOCK FASTENER ) |
REFERENCE DRAWINGS & PICTURES
STUD SHANK
FLAT COUNTERSUNK
Cross Reference | NSN 5325-00-639-4201
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 50-007W21 | 97499 | BELL HELICOPTER TEXTRON INC.DBA BELL HELICOPTER |
| 50-007W20 | 97499 | BELL HELICOPTER TEXTRON INC.DBA BELL HELICOPTER |
| 668343-021 | 56232 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
| 668343-020 | 56232 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
| 2351-W20-21-C3C | 72794 | SOUTHCO HONEOYE FALLS AEROSPACEFASTENERS DIVISION |
| W3 1-2T20 | 72794 | SOUTHCO HONEOYE FALLS AEROSPACEFASTENERS DIVISION |
| AW35T21 | 72794 | SOUTHCO HONEOYE FALLS AEROSPACEFASTENERS DIVISION |
| AW3-1-2T20 | 72794 | SOUTHCO HONEOYE FALLS AEROSPACEFASTENERS DIVISION |
| AW3 1/2T21 | 72794 | SOUTHCO HONEOYE FALLS AEROSPACEFASTENERS DIVISION |
| AW3 1/2T19 | 72794 | SOUTHCO HONEOYE FALLS AEROSPACEFASTENERS DIVISION |
| AW3 1-2T21IY | 72794 | SOUTHCO HONEOYE FALLS AEROSPACEFASTENERS DIVISION |
| AW3 1-2T21 | 72794 | SOUTHCO HONEOYE FALLS AEROSPACEFASTENERS DIVISION |
Technical Data | NSN 5325-00-639-4201
| Characteristic | Specifications |
|---|---|
| TURNLOCK STUD SHANK STYLE | STUD SHANK |
| GRIP LENGTH | 0.440 INCHES NOMINAL |
| SHANK NECK LENGTH | 0.290 INCHES NOMINAL |
| STUD SHANK MAJOR DIAMETER | 0.212 INCHES MINIMUM AND 0.217 INCHES MAXIMUM |
| TURNLOCK STUD HEAD STYLE | 0 FLAT COUNTERSUNK |
| HEAD LENGTH | 0.865 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| STUD HEAD HEIGHT | 0.312 INCHES NOMINAL |
| SECURING DEVICE TYPE | RING |
| MATERIAL ACCOMMODATED THICKNESS | 0.201 INCHES MINIMUM AND 0.210 INCHES MAXIMUM |
