The Valve,pivot, cataloged under National Stock Number 2520-00-134-0169, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 1 specification, 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 | 2520-00-134-0169 |
| Primary Part Number | 8356957 |
| Item Name | Valve,pivot |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL QQ-S-633 COMP C1117,CASE HARDEN ROCKWELL C 60 O/A,0.9985 IN. DIA,3.380 IN. LG,0.156 IN. DIA BY 1.780 IN. DEEP HOLE IN ONE END ALONG THE LONGITUDINAL AXIS,0.156 IN. DIA BY 0.500 IN. DEEP HOLE PERPENDICULAR TO THE AXIS,1.700 IN. FROM END TO PERPENDICULAR HOLE,SPLINE LOCATED ON OPPOSITE END,QUANTITY OF TEETH 22 ON BASIS OF 23,0.745 IN. MAJOR DIA OF SPLINE,0.7188 IN. PITCH DIA OF SPLINE,0.929 IN. LG OF SPLINE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8356957 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2520-00-134-0169 is a Valve,pivot, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-134-0169 has 1 manufacturer part number on file: 8356957 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8356957: General Characteristics Item Description: STEEL QQ-S-633 COMP C1117,CASE HARDEN ROCKWELL C 60 O/A,0.9985 IN. DIA,3.380 IN. LG,0.156 IN. DIA BY 1.780 IN. DEEP HOLE IN ONE END ALONG THE LONGITUDINAL AXIS,0.156 IN. DIA BY 0.500 IN. DEEP HOLE PERPENDICULAR TO THE AXIS,1.700 IN. FROM END TO PERPENDICULAR HOLE,SPLINE LOCATED ON OPPOSITE END,QUANTITY OF TEETH 22 ON BASIS OF 23,0.745 IN. MAJOR DIA OF SPLINE,0.7188 IN. PITCH DIA OF SPLINE,0.929 IN. LG OF SPLINE IN. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.