The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-375-0598, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 6 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-01-375-0598 |
| Primary Part Number | S1E10042 ITEM 30L1 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Thread Length | 1.625 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Thread Quantity Per Inch | 20 |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| S1E10042 ITEM 30L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| AMS-5643 | 5/9 Secondary reference U.S. Government activity |
| AMS-5643L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| AMS-5643 | 3/1 Design control — primary reference Sae International Dba Sae International |
| S2B10131-4MZ | 5/1 Secondary reference U.S. Government activity |
| S1E10042 ITEM 30 | 5/1 Secondary reference U.S. Government activity |
NSN 5305-01-375-0598 is a Screw,cap,socket Head, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-375-0598 has 1 manufacturer part number on file: S1E10042 ITEM 30L1 (Naval Inventory Control Point Mechanicsburg).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-375-0599. Verify interchangeability with system specifications before substitution.
Key specifications for S1E10042 ITEM 30L1: Thread Length: 1.625 INCHES NOMINAL IN; Criticality Code Justification: ZZZY; Nominal Thread Diameter: 0.500 INCHES IN; Thread Quantity Per Inch: 20. 6 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.