The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-463-5120, 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 19 specifications, cited from the U.S. Government catalog. The record lists 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-463-5120 |
| Primary Part Number | AIC1653-4-8 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.397 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | SPLINE DRIVE SHEAR HEAD |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.318 INCHES NOMINAL IN |
| Grip Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| 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 |
|---|---|
| X409-4-8 | Deutsch Co the (USA) |
| MB209-4-8 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| DF33003-4-8 | Huck International, Inc (USA) |
| VCJ0001-4-8 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| SII1188-4-8 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| AIC1653-4-8 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| PBF1420-4-8 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| MB209-4-8 | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| VS3319-4-8 | 5/2 Secondary reference U.S. Government activity |
| DF33003-4-8 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-463-5120 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 5306-01-463-5120 has 8 manufacturer part numbers on file: X409-4-8 (Deutsch Co the), MB209-4-8 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), DF33003-4-8 (Huck International, Inc), VCJ0001-4-8 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), SII1188-4-8 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries) and 3 more.
Key specifications for AIC1653-4-8: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN. 19 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.