The Screw,machine, cataloged under National Stock Number 5305-01-286-5427, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-286-5427 |
| Primary Part Number | A032-2127 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Screw Surface Treatment | CADMIUM AND CHROMATE |
| Fastener Length | 1.950 INCHES MINIMUM AND 1.980 INCHES MAXIMUM IN |
| Thread Length | 0.252 INCHES MINIMUM AND 0.302 INCHES MAXIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | TORQUE-SET RIBBED |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNJC |
| Head Diameter | 0.244 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 2 FED SPEC 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 |
|---|---|
| SC1785R-06-27 | Howmet Global Fastening Systems Inc (USA) |
| LE111-0032-2127 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| A032-2127 PRIMARY | Huck International, Inc (USA) |
| PBF1378-2127 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| A032-2127 | 5/9 Secondary reference U.S. Government activity |
| LE111-0032-2127 | 7/2 Vendor item drawing reference The Boeing Company Div Legacy Am&m |
| 123181A06R27 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-286-5427 is a Screw,machine, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-286-5427 has 4 manufacturer part numbers on file: SC1785R-06-27 (Howmet Global Fastening Systems Inc), LE111-0032-2127 (Sps Technologies, Llc Dba PB Fasteners), A032-2127 (Huck International, Inc), PBF1378-2127 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners).
Key specifications for A032-2127: Screw Surface Treatment: CADMIUM AND CHROMATE; Fastener Length: 1.950 INCHES MINIMUM AND 1.980 INCHES MAXIMUM IN; Thread Length: 0.252 INCHES MINIMUM AND 0.302 INCHES MAXIMUM IN; Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM. 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.