The Stud,plain, cataloged under National Stock Number 5307-01-343-7266, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-343-7266 |
| Primary Part Number | SY1040146L1 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | ASTM A193 ASSN STD SINGLE MATERIAL RESPONSE |
| Material | STEEL |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| SY1040146L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| SY080010ER30M PIECE 6L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| SY080010ER30M PIECE 6 | 5/1 Secondary reference Haywardindl. Products, Inc. |
| SY1040146 | 3/1 Design control — primary reference Haywardindl. Products, Inc. |
NSN 5307-01-343-7266 is a Stud,plain, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-343-7266 has 2 manufacturer part numbers on file: SY1040146L1 (Naval Inventory Control Point Mechanicsburg), SY080010ER30M PIECE 6L1 (Naval Inventory Control Point Mechanicsburg).
1 possible match (shared part number, not a government interchangeability claim): 5307-01-412-6057. Verify interchangeability with system specifications before substitution.
Key specifications for SY1040146L1: Criticality Code Justification: ZZZY; Material Document and Classification: ASTM A193 ASSN STD SINGLE MATERIAL RESPONSE; End Item Identification: HAYWARD SELF-CLEANING Y-STRAINER; Material: STEEL. 4 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.