The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-062-6844, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Thales Usa, Inc. Div Air Mobility Solutions ("ams"). Government technical data includes 11 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-062-6844 |
| Primary Part Number | 502644-0052 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Thales Usa, Inc. Div Air Mobility Solutions ("ams") |
| Status | ACTIVE |
| Head Height | 0.181 INCHES NOMINAL IN |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Thread Length | 0.650 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | PLASTIC 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 |
|---|---|
| 502644-0052 PRIMARY | Thales Usa, Inc. Div Air Mobility Solutions ("ams") (USA) |
| FXNY-045-9 | Catamount Mfg Inc (USA) |
| Reference | Meaning |
|---|---|
| 1/4-20X3/4NYLON | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| FXNY-045NA | 5/9 Secondary reference U.S. Government activity |
| N-2520-3-4 | 5/9 Secondary reference U.S. Government activity |
| N2520-3-4 | C/1 Advisory reference — outside the item-of-supply concept Thales Usa, Inc. Div Air Mobility Solutions ("ams") |
NSN 5305-01-062-6844 is a Screw,cap,hexagon Head, manufactured by Thales Usa, Inc. Div Air Mobility Solutions ("ams"), classified under FSC 5305, Screws. Status: active.
NSN 5305-01-062-6844 has 2 manufacturer part numbers on file: 502644-0052 (Thales Usa, Inc. Div Air Mobility Solutions ("ams")), FXNY-045-9 (Catamount Mfg Inc).
Key specifications for 502644-0052: Head Height: 0.181 INCHES NOMINAL IN; Fastener Length: 0.750 INCHES NOMINAL IN; Thread Length: 0.650 INCHES MINIMUM IN; Nominal Thread Diameter: 0.250 INCHES IN. 11 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.