The Hub and Drum Assembly, cataloged under National Stock Number 2530-01-101-8357, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track 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 | 2530-01-101-8357 |
| Primary Part Number | 8758334 |
| Item Name | Hub and Drum Assembly |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | COVER,STEEL,CARBON,SPEC QQ-S-698,0.0897 IN. THK,HOLE 0.500 IN. DIA,1.375 IN. W; DRUM,IRON,CASTING,SPEC QQ-I-652,10 HOLES 0.469 IN. DIA,13.875 ID,18.000 OD; BOLT,STEEL,SPEC FF-B-575,7/16-20 UNF THD,0.688 IN. THD LG,1.688 IN. O/A LG; SLINGER,STEEL,CARBON,SPEC QQ-S-698,10 HOLES 0.516 IN. DIA,10.000 ID,14.000 OD; SPACER,IRON,MALLEABLE,SPEC QQ-I-666,10 HOLES 0.976 IN. DIA,8.719 ID,13.750 OD; HUB,IRON DUCTILE,CASTING,10 HOLES 0.976 MIN 0.980 MAX IN. DIA,CHAMFERED 0.062 BY 45 DEG,10 HOLES 0.501 MIN 0.502 MAX IN. DIA,1/2-13 UNC THD; ADAPTER,STEEL,CARBON,SPEC QQ-S-635,10 HOLES 0.467 MIN 0.459 MAX IN. DIA,10 HOLES 0.512 MIN 0.518 MAX IN. DIA,6 HOLES 0.375 IN. DIA,6.618 MIN 6.622 MAX ID; 15.719 MIN 15.750 MAX OD 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 |
|---|---|
| 8758334 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2530-01-101-8357 is a Hub and Drum Assembly, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-101-8357 has 1 manufacturer part number on file: 8758334 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8758334: General Characteristics Item Description: COVER,STEEL,CARBON,SPEC QQ-S-698,0.0897 IN. THK,HOLE 0.500 IN. DIA,1.375 IN. W; DRUM,IRON,CASTING,SPEC QQ-I-652,10 HOLES 0.469 IN. DIA,13.875 ID,18.000 OD; BOLT,STEEL,SPEC FF-B-575,7/16-20 UNF THD,0.688 IN. THD LG,1.688 IN. O/A LG; SLINGER,STEEL,CARBON,SPEC QQ-S-698,10 HOLES 0.516 IN. DIA,10.000 ID,14.000 OD; SPACER,IRON,MALLEABLE,SPEC QQ-I-666,10 HOLES 0.976 IN. DIA,8.719 ID,13.750 OD; HUB,IRON DUCTILE,CASTING,10 HOLES 0.976 MIN 0.980 MAX IN. DIA,CHAMFERED 0.062 BY 45 DEG,10 HOLES 0.501 MIN 0.502 MAX IN. DIA,1/2-13 UNC THD; ADAPTER,STEEL,CARBON,SPEC QQ-S-635,10 HOLES 0.467 MIN 0.459 MAX IN. DIA,10 HOLES 0.512 MIN 0.518 MAX IN. DIA,6 HOLES 0.375 IN. DIA,6.618 MIN 6.622 MAX ID; 15.719 MIN 15.750 MAX OD 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.