The Screw,machine, cataloged under National Stock Number 5305-01-198-1091, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Anderson Greenwood Lp Dba Anderson Greenwood Crosby. Government technical data includes 12 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-01-198-1091 |
| Primary Part Number | ML603-5PC2 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| Status | ACTIVE |
| Head Height | 0.188 INCHES NOMINAL IN |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Thread Length | 0.312 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | SLOT |
| Thread Quantity Per Inch | 20 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Head Diameter | 0.391 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | C |
| Part Number | Manufacturer |
|---|---|
| ML603-5PC2 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| Reference | Meaning |
|---|---|
| 044.100.0001 | 3/1 Design control — primary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| NMP-603PC2 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| NMP-103PC2 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| S4824-3129324 PIECE 2 | 5/1 Secondary reference U.S. Government activity |
NSN 5305-01-198-1091 is a Screw,machine, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-198-1091 has 1 manufacturer part number on file: ML603-5PC2 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-406-4668. Verify interchangeability with system specifications before substitution.
Key specifications for ML603-5PC2: Head Height: 0.188 INCHES NOMINAL IN; Fastener Length: 0.500 INCHES NOMINAL IN; Thread Length: 0.312 INCHES NOMINAL IN; Criticality Code Justification: ZZZY. 12 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.