The Screw,assembled Washer, cataloged under National Stock Number 5305-00-131-9983, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Itt Cannon Llc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-131-9983 |
| Primary Part Number | D53018-5 |
| Item Name | Screw,assembled Washer |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Itt Cannon Llc |
| Status | ACTIVE |
| Fastener Length | 0.406 INCHES NOMINAL IN |
| Secondary Washer Relationship to Primary Washer | NOT IDENTICAL |
| Primary Washer Outside Diameter | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.312 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Secondary Washer Outside Diameter | 0.188 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 40 |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UNF |
| Washer Quantity | 3 |
| Head Diameter | 0.156 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 | X |
| Part Number | Manufacturer |
|---|---|
| Q314218311 | Rheinmetall Air Defence Ag (CHE) |
| D53018-5 PRIMARY | Itt Cannon Llc (USA) |
| Reference | Meaning |
|---|---|
| D53018-5 | 5/9 Secondary reference Cinch Connectivity Solutions Inc. |
| 0309043 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 61814218-001 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 70-805187-3 | 7/2 Vendor item drawing reference General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems |
NSN 5305-00-131-9983 is a Screw,assembled Washer, manufactured by Itt Cannon Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-131-9983 has 2 manufacturer part numbers on file: Q314218311 (Rheinmetall Air Defence Ag), D53018-5 (Itt Cannon Llc).
Key specifications for D53018-5: Fastener Length: 0.406 INCHES NOMINAL IN; Secondary Washer Relationship to Primary Washer: NOT IDENTICAL; Primary Washer Outside Diameter: 0.250 INCHES NOMINAL IN; Thread Length: 0.312 INCHES NOMINAL IN. 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.