The Screw,close Tolerance, cataloged under National Stock Number 5305-01-622-2801, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies Llc Dba PB Fasteners Div PB Fasteners. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 12 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-622-2801 |
| Primary Part Number | 120-225C3R16 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Extended Washer Thickness | 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN |
| Head Height | 0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN |
| Fastener Length | 1.031 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.437 INCHES NOMINAL IN |
| Thread Length | 0.468 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.1900 INCHES IN |
| Head Style | ROUND EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.563 INCHES NOMINAL IN |
| Head Minor Diameter | 0.375 INCHES NOMINAL IN |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Chamfer Angle | 0.039 DEGREES NOMINAL |
| Internal Drive Style | CRUCIFORM RIBBED |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.437 INCHES NOMINAL 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 |
|---|---|
| 120-225C3R16 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 120-225C3R16 PRIMARY | Saturn Fasteners Inc (USA) |
| 120-225C3R16 | Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona (USA) |
| 120-225C3R16 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 120-225C3R16 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 120-225C3R16 PRIMARY | B & B Specialties Inc (USA) |
| 120-225C3R16 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 120-225C3R16 PRIMARY | Lfc Industries, Inc. (USA) |
| 120-225C3R16 PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 120-225C3R16 PRIMARY | Pilgrim Screw Corporation Dba Pilgrim Aerospace Fasteners (USA) |
| 120-225C3R16 PRIMARY | 3-V Fastener Co., Inc. (USA) |
| 120-225C3R16 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| 120-225C3R16 | 1/2 Source control — Government-approved source U.S. Government activity |
| 120-225C3R16 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-622-2801 is a Screw,close Tolerance, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-622-2801 has 12 manufacturer part numbers on file: 120-225C3R16 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 120-225C3R16 (Saturn Fasteners Inc), 120-225C3R16 (Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona), 120-225C3R16 (Fastener Innovation Technology, Inc. Dba F I T), 120-225C3R16 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 7 more.
Key specifications for 120-225C3R16: Extended Washer Thickness: 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN; Head Height: 0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN; Fastener Length: 1.031 INCHES NOMINAL IN; Extended Washer Diameter: 0.437 INCHES NOMINAL IN. 18 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.