The Stud,shouldered and Stepped, cataloged under National Stock Number 5307-01-311-7380, 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 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5307-01-311-7380 |
| Primary Part Number | 803-2177525-S4XX-11L1 |
| Item Name | Stud,shouldered and Stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | ASTM A 193 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Nominal Thread Size | 0.500 INCHES STUD THREAD IN |
| Nondefinitive Spec/std Data | 1 TYPE AND B STYLE AND B16 GRADE |
| Thread Class | 2A STUD THREAD A |
| Thread Quantity Per Inch | 13 STUD THREAD |
| Material | STEEL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I 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 |
|---|---|
| 803-2177525-S4XX-11L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 803-2177525-C4XX-11L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 803-2177525-S4XX-11 | 5/1 Secondary reference U.S. Government activity |
| 803-2177525-C4XX-11 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5307-01-311-7380 is a Stud,shouldered and Stepped, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-311-7380 has 2 manufacturer part numbers on file: 803-2177525-S4XX-11L1 (Naval Inventory Control Point Mechanicsburg), 803-2177525-C4XX-11L1 (Naval Inventory Control Point Mechanicsburg).
1 possible match (shared part number, not a government interchangeability claim): 5307-01-381-9895. Verify interchangeability with system specifications before substitution.
Key specifications for 803-2177525-S4XX-11L1: Criticality Code Justification: ZZZY; Material Document and Classification: ASTM A 193 ASSN STD SINGLE MATERIAL RESPONSE; Thread Direction: RIGHT-HAND STUD THREAD; Nominal Thread Size: 0.500 INCHES STUD THREAD IN. 10 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.