The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-423-2398, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-423-2398 |
| Primary Part Number | NB51181616 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Fastener Length | 2.000 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Thread Quantity Per Inch | 14 |
| Material | NICKEL ALLOY 400 AND NICKEL ALLOY R-405 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| N-736 PIECE 22 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| N-735 PIECE 22 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| NB51181616 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| N-735 PIECE 21 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| N-736 PIECE 21 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 511-816-16 | 5/9 Secondary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
NSN 5305-01-423-2398 is a Screw,cap,hexagon Head, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-423-2398 has 5 manufacturer part numbers on file: N-736 PIECE 22 (Leslie Controls, Inc. Dba Leslie Controls Inc), N-735 PIECE 22 (Leslie Controls, Inc. Dba Leslie Controls Inc), NB51181616 (Leslie Controls, Inc. Dba Leslie Controls Inc), N-735 PIECE 21 (Leslie Controls, Inc. Dba Leslie Controls Inc), N-736 PIECE 21 (Leslie Controls, Inc. Dba Leslie Controls Inc).
Key specifications for NB51181616: Fastener Length: 2.000 INCHES NOMINAL IN; Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.438 INCHES IN; Thread Quantity Per Inch: 14. 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.