The Screw,machine, cataloged under National Stock Number 5305-01-266-8316, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Pratt & Whitney Measurement Systems, Inc. Dba Pratt & Whitney Measurement Systems Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-266-8316 |
| Primary Part Number | 4016649 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Pratt & Whitney Measurement Systems, Inc. Dba Pratt & Whitney Measurement Systems Inc |
| Status | ACTIVE |
| Fastener Length | 0.3125 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.114 INCHES IN |
| Head Style | ROUND |
| Screw Material | STEEL |
| 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 |
|---|---|
| 4016649 PRIMARY | Pratt & Whitney Measurement Systems, Inc. Dba Pratt & Whitney Measurement Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 4016649 | 3/9 Design control — primary reference Pratt & Whitney Measurement Systems Inc. Dba Pratt & Whitney |
| PK535-4-5 | 5/9 Secondary reference Usm Corp Sub of Emhart Industries Inc Parker-Kalon Fastener Div |
| 4016649 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 5305-01-266-8316 is a Screw,machine, manufactured by Pratt & Whitney Measurement Systems, Inc. Dba Pratt & Whitney Measurement Systems Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-266-8316 has 1 manufacturer part number on file: 4016649 (Pratt & Whitney Measurement Systems, Inc. Dba Pratt & Whitney Measurement Systems Inc).
Key specifications for 4016649: Fastener Length: 0.3125 INCHES NOMINAL IN; Nominal Thread Diameter: 0.114 INCHES IN; Head Style: ROUND; Screw 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.