The Screw,machine, cataloged under National Stock Number 5305-01-209-9334, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-209-9334 |
| Primary Part Number | 433913-40 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona |
| Status | ACTIVE |
| Head Height | 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 2.725 INCHES MINIMUM AND 2.775 INCHES MAXIMUM IN |
| Thread Length | 1.750 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 309 OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 304L OR STEEL COMP 316L OR STEEL COMP 303SE OR STEEL COMP 302B OR STEEL COMP 308 OR STEEL COMP 309S OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 303PB OR STEEL COMP 303MA OR STEEL COMP 303 PLUS X |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| 433913-40 | Howmet Global Fastening Systems Inc (USA) |
| 433913-40 PRIMARY | Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona (USA) |
| NPP632X2 3/4SSH PRIMARY | Bisco Industries Inc Dba National Precision Products Company Div National Precision Products (USA) |
| Reference | Meaning |
|---|---|
| 1-3913-40 | C/1 Advisory reference — outside the item-of-supply concept Lfc Industries, Inc. |
| 433913-40 | 7/2 Vendor item drawing reference U.S. Government activity |
| 433913-40 | C/1 Advisory reference — outside the item-of-supply concept Torkon Fastener Corp |
NSN 5305-01-209-9334 is a Screw,machine, manufactured by Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-209-9334 has 3 manufacturer part numbers on file: 433913-40 (Howmet Global Fastening Systems Inc), 433913-40 (Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona), NPP632X2 3/4SSH (Bisco Industries Inc Dba National Precision Products Company Div National Precision Products).
Key specifications for 433913-40: Head Height: 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 2.725 INCHES MINIMUM AND 2.775 INCHES MAXIMUM IN; Thread Length: 1.750 INCHES MINIMUM IN. 14 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.