The Screw,machine, cataloged under National Stock Number 5305-00-282-4492, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Rockwell Collins Deutschland Gmbh Div Rockwell Collins International & Service Solutions. Government technical data includes 14 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-282-4492 |
| Primary Part Number | 21266 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Rockwell Collins Deutschland Gmbh Div Rockwell Collins International & Service Solutions |
| Status | ACTIVE |
| Head Height | 0.072 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Screw Material Document and Classification | MIL-S-7720 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18732 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-7720 MIL SPEC 3RD MATERIAL RESPONSE OR QQ-S-763 FED SPEC 4TH MATERIAL RESPONSE |
| Thread Length | 0.138 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 430 OR STEEL COMP 302 |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.166 INCHES MINIMUM AND 0.183 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 |
|---|---|
| 21266 | Rockwell Collins Deutschland Gmbh Div Rockwell Collins International & Service Solutions (DEU) |
| 8599247-098 | L3harris Mas Inc Div L3harris Mas Inc. (CAN) |
| Reference | Meaning |
|---|---|
| 0456-124 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| FFS92TYPE1STYLE4S | 4/1 Identification reference U.S. Government activity |
| AN500C4-3 | 2/2 Government specification standardization U.S. Government activity |
| 107046-2302 | 5/1 Secondary reference Raytheon Company |
| 8599247-098 | 5/1 Secondary reference General Motors Corp |
NSN 5305-00-282-4492 is a Screw,machine, manufactured by Rockwell Collins Deutschland Gmbh Div Rockwell Collins International & Service Solutions, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-282-4492 has 2 manufacturer part numbers on file: 21266 (Rockwell Collins Deutschland Gmbh Div Rockwell Collins International & Service Solutions), 8599247-098 (L3harris Mas Inc Div L3harris Mas Inc.).
6 possible matches (shared part number, not a government interchangeability claim): 2995-00-963-7867, 5342-01-055-7432, 5310-01-089-0538. Verify interchangeability with system specifications before substitution.
Key specifications for 21266: Head Height: 0.072 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN; Screw Material Document and Classification: MIL-S-7720 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18732 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-7720 MIL SPEC 3RD MATERIAL RESPONSE OR QQ-S-763 FED SPEC 4TH MATERIAL RESPONSE. 14 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.