The Screw,tapping, cataloged under National Stock Number 5305-01-421-1858, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Dla Troop Support Div Defense Logistics Agency - Troop Support. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-421-1858 |
| Primary Part Number | 03353-01 |
| Item Name | Screw,tapping |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Dla Troop Support Div Defense Logistics Agency - Troop Support |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 0.164 INCHES IN |
| Fastener Length | 2.500 INCHES NOMINAL IN |
| Nonmachine Thread Style | GIMLET POINT (TYPE A, AB OR BA) |
| Head Style | FLAT COUNTERSUNK |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Material | STEEL OVERALL |
| Head Diameter | 0.285 INCHES MINIMUM AND 0.332 INCHES MAXIMUM 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 |
|---|---|
| 03353-01 PRIMARY | Dla Troop Support Div Defense Logistics Agency - Troop Support (USA) |
| 90092A132 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| ASTM-C-1002TYPE W2.5LG | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5305-01-421-1858 is a Screw,tapping, manufactured by Dla Troop Support Div Defense Logistics Agency - Troop Support, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-421-1858 has 2 manufacturer part numbers on file: 03353-01 (Dla Troop Support Div Defense Logistics Agency - Troop Support), 90092A132 (Mcmaster-Carr Supply Co).
Key specifications for 03353-01: Nonmachine Nominal Thread Diameter: 0.164 INCHES IN; Fastener Length: 2.500 INCHES NOMINAL IN; Nonmachine Thread Style: GIMLET POINT (TYPE A, AB OR BA); Head Style: FLAT COUNTERSUNK. 7 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.