The Brake Drum, cataloged under National Stock Number 2530-01-049-8623, 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 Durametal Corp. Government technical data includes 6 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-049-8623 |
| Primary Part Number | 16874 |
| Item Name | Brake Drum |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Durametal Corp |
| Status | ACTIVE |
| Mounting Hole Quantity | 5 |
| Braking Surface Width | 7.641 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.781 INCHES NOMINAL IN |
| Braking Surface Location | INTERNAL |
| Center Hole Diameter | 9.438 INCHES NOMINAL IN |
| Braking Surface Diameter | 8.130 INCHES NOMINAL 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 |
|---|---|
| 16874 PRIMARY | Durametal Corp (USA) |
| 2983C PRIMARY | Kelsey-Hayes Co Gunite Div (USA) |
| Reference | Meaning |
|---|---|
| 2353C | 5/9 Secondary reference Kelsey-Hayes Co Gunite Div |
| 122222 | 5/9 Secondary reference Dayton-Walther Corp Muncie Div |
| 03-120017 | 5/9 Secondary reference Dayton-Walther Corp Muncie Div |
| GA16851-20 | 5/9 Secondary reference Theurer Inc |
NSN 2530-01-049-8623 is a Brake Drum, manufactured by Durametal Corp, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-049-8623 has 2 manufacturer part numbers on file: 16874 (Durametal Corp), 2983C (Kelsey-Hayes Co Gunite Div).
4 possible matches (shared part number, not a government interchangeability claim): 3950-01-159-5851, 5998-01-168-6337, 3040-01-185-1115. Verify interchangeability with system specifications before substitution.
Key specifications for 16874: Mounting Hole Quantity: 5; Braking Surface Width: 7.641 INCHES NOMINAL IN; Mounting Hole Diameter: 0.781 INCHES NOMINAL IN; Braking Surface Location: INTERNAL. 6 specifications are 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.