The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-387-3754, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-387-3754 |
| Primary Part Number | AIC1653-6-33 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Head Height | 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN |
| Fastener Length | 2.563 INCHES MINIMUM AND 2.593 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.516 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | SPLINE DRIVE SHEAR HEAD |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.052 INCHES MINIMUM AND 2.072 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.575 INCHES MINIMUM IN |
| Grip Diameter | 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| AIC1653-6-33 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| PBF1420-6-33 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| SII1188-6-33 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| MB209-6-33 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| VCJ0001-6-33 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| MB209-6-33 | Hi-Shear Corporation (USA) |
| 03A098-6-33 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| 03A098-6-33 | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| DF33003-6-33 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| 123709-6-33 | 5/2 Secondary reference U.S. Government activity |
| DF33003-6-33 | 5/9 Secondary reference U.S. Government activity |
| VS3319-6-33 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-387-3754 is a Bolt,close Tolerance, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-387-3754 has 9 manufacturer part numbers on file: AIC1653-6-33 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), PBF1420-6-33 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), SII1188-6-33 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), MB209-6-33 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), VCJ0001-6-33 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 4 more.
Key specifications for AIC1653-6-33: Head Height: 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN; Fastener Length: 2.563 INCHES MINIMUM AND 2.593 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.516 INCHES NOMINAL IN. 17 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.