The Bolt,ribbed Shoulder, cataloged under National Stock Number 5306-01-235-3833, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Penn Engineering & Manufacturing Corp. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-235-3833 |
| Primary Part Number | KFH-M3-10ET |
| Item Name | Bolt,ribbed Shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Head Height | 0.51 MILLIMETERS MAXIMUM MM |
| Fastener Length | 9.75 MILLIMETERS MINIMUM AND 10.25 MILLIMETERS MAXIMUM MM |
| Shoulder Length | 1.65 MILLIMETERS MAXIMUM FIRST SHOULDER MM |
| Surface Treatment Document and Classification | MIL-T-10727,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 3.1 MILLIMETERS NOMINAL FIRST SHOULDER MM |
| Thread Length | 7.84 MILLIMETERS MAXIMUM MM |
| Shoulder Shape | RIBBED FIRST SHOULDER |
| Nominal Thread Diameter | 3.0 MILLIMETERS MM |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | TIN OVERALL |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | ISO M |
| Head Diameter | 4.33 MILLIMETERS MINIMUM AND 4.83 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| 999/4/38124/310 | Bae Systems (defence Systems) Ltd (GBR) |
| KFH-M3-10ET PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
NSN 5306-01-235-3833 is a Bolt,ribbed Shoulder, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-235-3833 has 2 manufacturer part numbers on file: 999/4/38124/310 (Bae Systems (defence Systems) Ltd), KFH-M3-10ET (Penn Engineering & Manufacturing Corp).
Key specifications for KFH-M3-10ET: Head Height: 0.51 MILLIMETERS MAXIMUM MM; Fastener Length: 9.75 MILLIMETERS MINIMUM AND 10.25 MILLIMETERS MAXIMUM MM; Shoulder Length: 1.65 MILLIMETERS MAXIMUM FIRST SHOULDER MM; Surface Treatment Document and Classification: MIL-T-10727,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 14 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.