The Screw,machine, cataloged under National Stock Number 5305-01-020-9533, 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 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-020-9533 |
| Primary Part Number | E125-170 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 1.313 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN |
| Screw Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 1.096 INCHES MINIMUM AND 1.208 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | IRON ALLOY 660 |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.191 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-35 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 |
|---|---|
| E125-170 | Huck International, Inc (USA) |
| AIC813-04R21 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 965813-170C | Ideal Fasteners, Inc. Dba Ideal Fasteners Inc (USA) |
| 3V2114-170C | 3-V Fastener Co., Inc. (USA) |
| BCP50003-170C | B & B Specialties Inc (USA) |
| PBF1068-170C | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| AOL4168-170 | All Manufacturers, Inc. Dba Allied Harbor Aerospace Fasteners (USA) |
| CBS813-04-R21 | Cbs Fasteners, Llc (USA) |
| FS2003-06/170C | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| Reference | Meaning |
|---|---|
| 106751-04-170C | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| E125-170 | 5/9 Secondary reference U.S. Government activity |
| 106751-04-170C | 5/2 Secondary reference U.S. Government activity |
| FS2003-04-170C | C/1 Advisory reference — outside the item-of-supply concept Fastener Innovation Technology, Inc. Dba F I T |
| 9145-170 | 5/9 Secondary reference First American Sales Co Inc |
| 10114853 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 965813-170C | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-020-9533 is a Screw,machine, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-020-9533 has 9 manufacturer part numbers on file: E125-170 (Huck International, Inc), AIC813-04R21 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 965813-170C (Ideal Fasteners, Inc. Dba Ideal Fasteners Inc), 3V2114-170C (3-V Fastener Co., Inc.), BCP50003-170C (B & B Specialties Inc) and 4 more.
Key specifications for E125-170: Screw Surface Treatment: PASSIVATE; Fastener Length: 1.313 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN; Screw Material Document and Classification: AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE; Thread Length: 1.096 INCHES MINIMUM AND 1.208 INCHES MAXIMUM 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.