The Bolt,shoulder, cataloged under National Stock Number 5306-00-115-6816, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-115-6816 |
| Primary Part Number | 204R497-11 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| Status | ACTIVE |
| Head Height | 0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN |
| Fastener Length | 4.555 INCHES MINIMUM AND 4.585 INCHES MAXIMUM IN |
| Shoulder Length | 3.320 INCHES MINIMUM AND 3.325 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 1.9976 INCHES MINIMUM AND 1.9988 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 1.040 INCHES MINIMUM AND 1.105 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 1.250 INCHES IN |
| Head Style | ROUND W/WRENCH FLATS |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 2.680 INCHES MINIMUM AND 2.720 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 12 |
| Material | STEEL COMP 4140 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 2.940 INCHES MINIMUM AND 2.950 INCHES MAXIMUM 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 |
|---|---|
| 204R497-11 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
NSN 5306-00-115-6816 is a Bolt,shoulder, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-115-6816 has 1 manufacturer part number on file: 204R497-11 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 204R497-11: Head Height: 0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN; Fastener Length: 4.555 INCHES MINIMUM AND 4.585 INCHES MAXIMUM IN; Shoulder Length: 3.320 INCHES MINIMUM AND 3.325 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 1.9976 INCHES MINIMUM AND 1.9988 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.