The Bolt,ribbed Shoulder, cataloged under National Stock Number 5306-01-104-5885, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-104-5885 |
| Primary Part Number | 10896719-1 |
| Item Name | Bolt,ribbed Shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Head Height | 0.312 INCHES NOMINAL IN |
| Rib Included Angle | 90.0 DEGREES NOMINAL |
| Fastener Length | 2.562 INCHES NOMINAL IN |
| Shoulder Length | 0.281 INCHES NOMINAL FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Distance From Largest Diameter of Bearing Surface of Head to Ribs | 0.281 INCHES NOMINAL IN |
| Shoulder Diameter | 0.973 INCHES MINIMUM AND 0.977 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 1.250 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Rib Length | 0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN |
| Rib Minor Diameter | 0.927 INCHES MINIMUM AND 0.931 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | LEFT-HAND |
| Rib Major Diameter | 1.020 INCHES MINIMUM AND 1.024 INCHES MAXIMUM IN |
| Nonstandard Thread Pitch Diameter | +0.7054 TO 0.7084 INCHES IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Quantity Per Inch | 16 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNS |
| Rib Quantity | 36 |
| Head Diameter | 1.312 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 |
|---|---|
| 20-X-403-CLH | Meritor Heavy Vehicle Systems, Llc (USA) |
| 10896719-1 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 20-X-403-CLH | Meritor Industrial Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| 5306011045885 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5306-01-104-5885 is a Bolt,ribbed Shoulder, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-104-5885 has 3 manufacturer part numbers on file: 20-X-403-CLH (Meritor Heavy Vehicle Systems, Llc), 10896719-1 (U S Army Tank Automotive Command Amsta-Im-Mm), 20-X-403-CLH (Meritor Industrial Products, Llc).
Key specifications for 10896719-1: Head Height: 0.312 INCHES NOMINAL IN; Rib Included Angle: 90.0 DEGREES NOMINAL; Fastener Length: 2.562 INCHES NOMINAL IN; Shoulder Length: 0.281 INCHES NOMINAL FIRST SHOULDER IN. 22 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.