The Bolt,shoulder, cataloged under National Stock Number 5306-01-526-7002, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-526-7002 |
| Primary Part Number | 03A217-3-37C |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| Status | ACTIVE |
| Head Height | 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Fastener Length | 2.172 INCHES NOMINAL IN |
| Shoulder Length | 2.313 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.338 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE HEAD |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 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 |
|---|---|
| AIC1699-3-37C | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BA0017AC3J3-37 | Lfc Industries, Inc. (USA) |
| 03A217-3-37C PRIMARY | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| VS3364C-3-37 | Howmet Global Fastening Systems Inc (USA) |
| PBF1480-3-37C | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 124231-3-37C | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-526-7002 is a Bolt,shoulder, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-526-7002 has 5 manufacturer part numbers on file: AIC1699-3-37C (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BA0017AC3J3-37 (Lfc Industries, Inc.), 03A217-3-37C (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), VS3364C-3-37 (Howmet Global Fastening Systems Inc), PBF1480-3-37C (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners).
Key specifications for 03A217-3-37C: Head Height: 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN; Fastener Length: 2.172 INCHES NOMINAL IN; Shoulder Length: 2.313 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM FIRST SHOULDER 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.