The Stud,locked in, cataloged under National Stock Number 5307-01-188-4858, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Wesco Aircraft Hardware Corp. Dba Incora. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-188-4858 |
| Primary Part Number | SF101-9SN16A |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Wesco Aircraft Hardware Corp. Dba Incora |
| Status | ACTIVE |
| Distance From Serrated Portion to Nut End | 1.000 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES NOMINAL NUT THREAD IN |
| Thread Length | 0.391 INCHES NOMINAL STUD THREAD IN |
| Style Designator | LOCKED IN |
| Distance From Serrated Portion to End of Stud Thread | 0.171 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.250 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.3125 INCHES STUD THREAD IN |
| Distance From Serrated Portion to Stud End | 0.562 INCHES NOMINAL IN |
| Locking Feature | RING, LOCK SERRATED |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 18 STUD THREAD |
| Thread Quantity Per Inch | 28 NUT THREAD |
| Material | STEEL COMP 4340 |
| Thread Series Designator | UNF NUT THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| 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 |
|---|---|
| SF101-9SN16A | Wesco Aircraft Hardware Corp. Dba Incora (USA) |
| Reference | Meaning |
|---|---|
| SF101-9SN16A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-01-188-4858 is a Stud,locked in, manufactured by Wesco Aircraft Hardware Corp. Dba Incora, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-188-4858 has 1 manufacturer part number on file: SF101-9SN16A (Wesco Aircraft Hardware Corp. Dba Incora).
Key specifications for SF101-9SN16A: Distance From Serrated Portion to Nut End: 1.000 INCHES NOMINAL IN; Thread Length: 0.500 INCHES NOMINAL NUT THREAD IN; Thread Length: 0.391 INCHES NOMINAL STUD THREAD IN; Style Designator: LOCKED IN. 18 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.