The Stud,self-Locking, cataloged under National Stock Number 5307-01-237-2707, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Penn Engineering & Manufacturing Corp. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-237-2707 |
| Primary Part Number | YC3-2507-16 |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 1 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | SELF-LOCKING |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.190 INCHES NUT THREAD IN |
| Locking Feature | SELF-CLINCHING HEAD |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 32 NUT THREAD |
| Material | STEEL |
| Thread Series Designator | UNF NUT THREAD |
| Head Diameter | 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN |
| 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 |
|---|---|
| YC3-2507-16 PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
| Reference | Meaning |
|---|---|
| KTS1032-16-3 | 3/9 Design control — primary reference Usm Corp Sub of Emhart Industries Inc Molly Fastener Div |
| GS520L3S16 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 5307-01-237-2707 is a Stud,self-Locking, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-237-2707 has 1 manufacturer part number on file: YC3-2507-16 (Penn Engineering & Manufacturing Corp).
Key specifications for YC3-2507-16: Surface Treatment Document and Classification: QQ-P-416,TYPE 1 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: SELF-LOCKING; Overall Length: 1.000 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND NUT THREAD. 11 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.