The Screw,machine, cataloged under National Stock Number 5305-01-528-5505, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Heartland Precision Fasteners Inc. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-528-5505 |
| Primary Part Number | 120-264E3-14 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Heartland Precision Fasteners Inc |
| Status | ACTIVE |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.875 INCHES NOMINAL IN |
| Screw Material Document and Classification | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5835 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.795 INCHES NOMINAL IN |
| Spline Major Diameter | 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | IRON ALLOY 660 |
| Minimum Tensile Strength | 3180 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | TORX |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Screw Surface Treatment Document and Classification | AMS2700METHOD 1,TYPE2 ASSN STD ALL TREATMENT RESPONSES OR AMS2700METHOD,TYPE8 CLASS 1 ASSN STD SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| 120-264E3-14 | Heartland Precision Fasteners Inc (USA) |
| 120-264E3-14 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 120-264E3-14 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 120-264E3-14 | Lfc Industries, Inc. (USA) |
| 120-264E3-14 | Howmet Global Fastening Systems Inc (USA) |
| 120-264E3-14 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 120-264E3-14 | B & B Specialties Inc (USA) |
| 120-264E3-14 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 120-264E3-14 | Saturn Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| NAS5312E3-14 | 3/2 Design control — primary reference U.S. Government activity |
| 120-264E3-14 | 5/2 Secondary reference U.S. Government activity |
| 120-264E3-14 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-528-5505 is a Screw,machine, manufactured by Heartland Precision Fasteners Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-528-5505 has 9 manufacturer part numbers on file: 120-264E3-14 (Heartland Precision Fasteners Inc), 120-264E3-14 (Sps Technologies, Llc Dba PB Fasteners), 120-264E3-14 (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), 120-264E3-14 (Lfc Industries, Inc.), 120-264E3-14 (Howmet Global Fastening Systems Inc) and 4 more.
Key specifications for 120-264E3-14: Screw Surface Treatment: PASSIVATE; Fastener Length: 0.875 INCHES NOMINAL IN; Screw Material Document and Classification: AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5835 ASSN STD SINGLE MATERIAL RESPONSE; Thread Length: 0.795 INCHES NOMINAL IN. 16 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.