The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-386-3732, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 13 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-386-3732 |
| Primary Part Number | 03A160-4-11 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| Status | ACTIVE |
| Fastener Length | 1.076 INCHES MINIMUM AND 1.106 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.403 INCHES NOMINAL IN |
| Material Document and Classification | AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN |
| Grip Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.3988 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 |
|---|---|
| PBF1418-4-11 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| HR241-4-11 | Hi-Shear Corporation (USA) |
| SC5057-7-11 | Howmet Global Fastening Systems Inc (USA) |
| X167-7-11 | Huck International, Inc (USA) |
| VCL0007-4-11 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| SC5057-4-11 | Howmet Global Fastening Systems Inc (USA) |
| DF33006-4-11 | Huck International, Inc (USA) |
| HR241-4-11 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| AIC4409-7-11 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 03A160-4-11 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| PBF1418-7-11 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| SLB218-4-11 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| 03A160-4-11 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| Reference | Meaning |
|---|---|
| X167-7-11 | 5/9 Secondary reference U.S. Government activity |
| DF33006-4-11 | 5/9 Secondary reference U.S. Government activity |
| 123740-4-11 | 5/2 Secondary reference U.S. Government activity |
| 123740-7-11 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-386-3732 is a Bolt,close Tolerance, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-386-3732 has 13 manufacturer part numbers on file: PBF1418-4-11 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), HR241-4-11 (Hi-Shear Corporation), SC5057-7-11 (Howmet Global Fastening Systems Inc), X167-7-11 (Huck International, Inc), VCL0007-4-11 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 8 more.
Key specifications for 03A160-4-11: Fastener Length: 1.076 INCHES MINIMUM AND 1.106 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.403 INCHES NOMINAL IN; Material Document and Classification: AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.