The Guide,valve Stem, cataloged under National Stock Number 2815-00-678-3201, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Renk America Llc Div Renk America. Government technical data includes 23 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-678-3201 |
| Primary Part Number | 8725176 |
| Item Name | Guide,valve Stem |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Renk America Llc Div Renk America |
| Status | ACTIVE |
| Shoulder Second Fillet Radius | 0.030 INCHES NOMINAL IN |
| Aa End Chamfer Angle in Deg | 45.0 |
| Aa End Chamfer Length | 0.030 INCHES NOMINAL IN |
| Major Diameter Length | 0.128 INCHES NOMINAL IN |
| Bb End Shank Diameter | 0.699 INCHES NOMINAL IN |
| Taper Minor Diameter | 0.690 INCHES NOMINAL IN |
| Style Designator | STEPPED SHOULDER-TAPERED SHANK END |
| Material Document and Classification | QQ-B-679, COMP 2 FED SPEC SINGLE MATERIAL RESPONSE |
| Bore Counterbore | NOT INCLUDED |
| Outside Diameter | 1.120 INCHES NOMINAL IN |
| Shoulder Diameter | 0.781 INCHES NOMINAL IN |
| Fillet Step Radius | 0.030 INCHES NOMINAL IN |
| Bb End Chamfer Length | 0.030 INCHES NOMINAL IN |
| Taper Length | 0.125 INCHES NOMINAL IN |
| Length From Aa End to Largest Diameter Face | 1.314 INCHES NOMINAL IN |
| Aa End Diameter | 0.746 INCHES NOMINAL IN |
| Bb End Chamfer Angle in Deg | 45.0 |
| Bore Diameter | 0.4840 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Shoulder First Fillet Radius | 0.030 INCHES NOMINAL IN |
| Shoulder Length | 0.184 INCHES NOMINAL IN |
| Metallic Hardness Rating | 85.0 NOMINAL ROCKWELL B |
| Bore Countersink | NOT INCLUDED |
| 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 |
|---|---|
| 8725176 PRIMARY | Renk America Llc Div Renk America (USA) |
| 8725176 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 2815006783201 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 8725176 | 5/9 Secondary reference Satair A/s |
| 8725176 | 5/9 Secondary reference Brighton Cromwell Llc |
NSN 2815-00-678-3201 is a Guide,valve Stem, manufactured by Renk America Llc Div Renk America, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-678-3201 has 2 manufacturer part numbers on file: 8725176 (Renk America Llc Div Renk America), 8725176 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8725176: Shoulder Second Fillet Radius: 0.030 INCHES NOMINAL IN; Aa End Chamfer Angle in Deg: 45.0; Aa End Chamfer Length: 0.030 INCHES NOMINAL IN; Major Diameter Length: 0.128 INCHES NOMINAL IN. 23 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.